What will happen if your body can't make saliva and bile?
Answers
Answer:
Bile helps with digestion. It breaks down fats into fatty acids, which can be taken into the body by the digestive tract. Bile contains: Mostly cholesterol
Related Questions
Cloning animals by nuclear implantation involves all of the following except?
a) induction of cell division and implantation of blastocyst in the surrogate mother
b) removal of an egg cell, extraction of the nucleus, and injection of the diploid donor nucleus
c) fertilization of the cell egg with a sperm cell followed by implantation in a surrogate mother
d) a low frequency of success likely due to variations in the completeness of epigenetic programming of the somatic cell nucleus
e) removal of somatic cells and extraction of a diploid donor nucleus from the animal to be cloned
Answers
The correct answer is c) fertilization of the cell egg with a sperm cell followed by implantation in a surrogate mother.
Cloning animals by nuclear implantation involves the removal of somatic cells and extraction of a diploid donor nucleus from the animal to be cloned, followed by the injection of the nucleus into an enucleated egg cell. This egg cell is then induced to divide and form a blastocyst, which is implanted into a surrogate mother.
The low frequency of success in animal cloning is likely due to variations in the completeness of epigenetic programming of the somatic cell nucleus, which can affect the ability of the cloned embryo to develop properly.
It is important to note that fertilization with a sperm cell is not involved in animal cloning by nuclear implantation, as the nucleus of the somatic cell replaces the egg cell nucleus.
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Energy from the cell is needed to move substances against a concentration difference.
Compare and Contrast What are the similarities and differences between facilitated
diffusion and active transport by a protein pump?
Answers
Similarities:
Both facilitated diffusion and active transport involve the use of proteins to transport substances across a cell membrane.
Both processes require energy from the cell to function.
Differences:
Facilitated diffusion is a passive process, which means that it does not require the cell to use energy to actively pump substances across the membrane. Instead, substances are transported down their concentration gradient, from an area of high concentration to an area of low concentration.
Active transport, on the other hand, is an active process that requires the cell to use energy to pump substances against their concentration gradient, from an area of low concentration to an area of high concentration.
Facilitated diffusion can transport substances in either direction, while active transport can only transport substances in one direction (from low concentration to high concentration).
Facilitated diffusion is limited by the concentration gradient of the substance being transported, while active transport is not. This means that active transport can continue to transport substances even when their concentrations are equal on either side of the membrane.
__________________ dating involves age-dating fossils with known time periods grouped into four eras that represent distinct ages in the history of earth.
Answers
According to the research, the correct option is Relative dating. It involves age-dating fossils with known time periods grouped into four eras that represent distinct ages in the history of earth.
What is Relative dating?It consists of ordering fossils or events in a proper formation sequence from the oldest to the most modern, it tends to be used as a method for making chronologies, the ordering of events, fossils or rocks.
Since it does not give an exact or approximate date, they can only give us a fairly long period of time, or in their case a temporal ordering of the fossils.
Therefore, we can conclude that according to the research, the correct option is Relative dating. It involves age-dating fossils with known time periods grouped into four eras that represent distinct ages in the history of earth.
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What cells can live without nuclei
Answers
Answer:
Cells that lack a nucleus are called prokaryotic cells and we define these cells as cells that do not have membrane-bound organelles. So, basically what we're saying is that eukaryotes have a nucleus and prokaryotes do not.
50 points Only humans can dream true/false
Answers
Answer:
FALSE dreaming ain't specified for humans only.
Explanation:
A blood test to measure cholesterol and triglycerides in the circulating blood is a(n):
Answers
A blood test to measure cholesterol and triglycerides in the circulating blood is a lipid profile.
The lipid profile assesses several different elements of cholesterol in your blood that play important roles in heart disease development. The test will assess your entire cholesterol profile, which includes your levels of high-density lipoprotein (HDL) or "good" cholesterol, low-density lipoprotein (LDL) or "bad" cholesterol, and triglycerides, a type of fat that is stored in your body. This test is crucial for people with an increased risk of heart disease or with a history of heart disease in their family. The triglyceride blood test measures the amount of triglycerides in the bloodstream. Triglycerides are a type of fat that the body utilizes for energy. People with high triglycerides levels have a higher risk of cardiovascular disease. A blood test is the only way to diagnose high triglycerides, and a lipid panel or a fasting triglyceride test are two types of blood tests that can help diagnose this condition.
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A student wants to investigate osmosis. A carrot was placed in a dilute solution.
a) What will happen to its mass?
b) The carrot was placed in 0.4 mol/dm 3 solution. Its mass did not change.
c) What does this tell us about the concentration of the carrot?
d) The carrot was placed in a concentrated solution. What will happen to its mass?
Answers
a) When a carrot is submerged in a diluted solution, water will osmosis into the carrot cells. As a result, the cells will become turgid and the carrot's mass will rise.
b) The carrot's inability to alter in mass when submerged in a 0.4 mol/dm3 solution shows that the solute concentration—which includes salts and sugars—within the carrot cells is also 0.4 mol/dm3. There is no net movement of water into or out of the cells at this concentration.
c) This indicates that the carrot and the 0.4 mol/dm3 solution have come to an equilibrium. At this concentration, the passage of water into and out of the cells is balanced, and there is no net gain or loss of water.
d) If the carrot is submerged in a concentrated solution, water will osmotically escape from the cells, plasmolyzing them. The mass of the carrot will shrink as a result.
OsmosisOsmosis is the transfer of water molecules from a region with a high concentration of water to a region with a low concentration of water through a membrane that is selectively permeable. Since a diluted solution contains more water molecules than carrot cells do, water will osmotically flow from the fluid into the cells. The carrot cells become turgid, which is another word for inflated and hard, as a result of this water inflow. The carrot's mass so grows as a result.The carrot's inertness in a 0.4 mol/dm3 solution shows that the solute concentration inside the cells of the carrot is also 0.4 mol/dm3. At this concentration, there is no net gain or loss of water since the flow of water into and out of the cells is balanced. This is due to the fact that the solute concentration in the carrot cells and the solution are the same. Isotonic describes this condition.learn more about osmosis here
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how do microorganisms play a role in decomposition
Answers
Answer:
Bacteria and other microbes play an important role in the environment that is of decomposers which act in the last stage of the food chain. These microorganisms like bacteria cause the breakdown of energy-rich organic compounds. These compounds come from decaying matter of plants such as leaves or animals waste products and dead bodies.
a) ¿Qué utensilios de uso común y pensando en la contingencia sanitaria, podrían ser elaborados del cobre?
Answers
Answer:
Hierro fundido.
Acero inoxidable.
Vidrio.
Bambú.
Cerámico.
quizás
Explanation:
What are the virulence factors that bacillus anthracis uses to avoid host defenses?
Answers
Bacillus anthracis uses protective antigen, edema factor, lethal factor, capsule, and immune suppression as virulence factors to evade host defenses and establish infection.
The virulence factors that Bacillus anthracis uses to avoid host defenses are as follows:
1. Capsule: Bacillus anthracis produces a capsule made up of a protein called poly-D-glutamic acid. This capsule helps the bacterium evade recognition and destruction by the immune system. It prevents phagocytosis, which is the process by which immune cells engulf and destroy foreign pathogens.
2. Anthrax Toxin: Bacillus anthracis produces a potent toxin called anthrax toxin, which consists of three components: protective antigen (PA), edema factor (EF), and lethal factor (LF). PA binds to specific receptors on host cells and facilitates the entry of EF and LF into the cells. EF increases the production of cyclic adenosine monophosphate (cAMP) within the host cells, leading to edema formation. LF disrupts signaling pathways within host cells, impairing the immune response.
3. Immune Evasion Proteins: Bacillus anthracis produces several proteins that interfere with the host immune response. For example, it secretes a protein called lethal toxin inhibitory factor (LTIF), which can bind to and neutralize lethal toxin. This helps the bacterium survive and replicate within the host.
4. Biofilm Formation: Bacillus anthracis can form biofilms, which are communities of bacteria embedded in a protective matrix. Biofilms provide protection against immune cells and antibiotics, allowing the bacteria to persist and cause chronic infections.
These virulence factors collectively contribute to the ability of Bacillus anthracis to evade host defenses and cause severe disease. By understanding how these factors work, scientists can develop strategies to target them and enhance the host immune response against the bacterium.
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what titan cab configurations are available for 2021?
Answers
The 2021 Titan cab is a full-size pickup truck that comes in a variety of cab configurations.
Here are the few available configurations for the 2021 Titan:
Regular Cab: This configuration has a single row of seats and is available in both short and long bed lengths.
Double Cab: This configuration has a single row of seats up front and a bench seat in the rear, providing seating for up to six people. It is available in both short and long bed lengths.
Crew Cab: This configuration has a single row of seats up front and two rows of seats in the rear, providing seating for up to six or seven people. It is available in both short and long bed lengths.
All Titan cab configurations come standard with rear-wheel drive, and four-wheel drive is available as an option. The Titan also offers a range of trim levels, each with its own set of features and options.
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quais são as condições que o meio ambiente dispõe para a alimentação dos seres vivos?
Answers
I will mark you brainliest!!
Which types of plant cells must receive glucose from other plant cells? And how do you know?
Answers
Answer:
chloroplasts
Explanation:
cuz chlorophyll: green pigment found in chloroplasts that absorbs light energy required for photosynthesis.
It is essential for the mesophyll cells to receive a constant supply of glucose from the phloem in order to function properly.
What are mesophyll cells?
Mesophyll cells are a type of plant cell that are found in the mesophyll tissue of leaves. The mesophyll tissue is the layer of cells that is located between the upper and lower epidermis (surface layers) of the leaf, and it is responsible for photosynthesis, the process by which plants convert light energy into chemical energy.
Mesophyll cells are specialized for photosynthesis and energy production, and contain large numbers of chloroplasts, the organelles responsible for capturing light energy and converting it into chemical energy through the process of photosynthesis. The mesophyll cells also contain large numbers of mitochondria, the organelles responsible for producing ATP, the cell's main energy currency, through the process of cellular respiration. The mesophyll cells therefore play a vital role in providing energy for the plant, as well as for synthesizing other cellular products, such as hormones and enzymes.
Mesophyll cells are typically divided into two types: palisade mesophyll cells, which are elongated and located near the upper surface of the leaf, and spongy mesophyll cells, which are irregularly shaped and located near the lower surface of the leaf. The palisade mesophyll cells are responsible for absorbing light energy and conducting photosynthesis, while the spongy mesophyll cells provide a large surface area for gas exchange and help to regulate the temperature of the leaf.
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Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.
Answers
Answer:
Explanation:
The descriptions provided in the question can each be placed into its corresponding Stage of Sleep, like so...
Stage 1
- Alpha waves dominate
- Feeling a drifting sensation
Stage 2
- Light sleep
- Sleep spindles occur
- Beginning of decline in respiration and blood pressure
Stage 3
- Typically begins about 20 minutes after stage 1
Stage 4
- Vital signs are at their lowest levels
- Delta waves dominate
GIVING BRAINLIEST what is the relationship between blood viscosity and blood pressure
Answers
blood pressure and blood viscosity are not related in healthy individuals, an effect probably due to shear stress regulation of blood flow.
3. How can we use what we know about cell membranes to treat disease?
4. In the "Assault on the Male" video, how do environmental estrogens "trick" cells by
attaching to cell membranes? How are these environmental estrogensable to attach to cell
membranes? What happens in a cell when this happens?
Answers
The cell membrane slows the movement of water into or out of the cell and this is vital when treating diseases.
What is a cell membrane?The cell membrane provides protection for a cell and also provides a fixed environment inside the cell. It transports nutrients into the cell and transports toxic substances out of the cell.
The cell membrane is simply one of the major barriers that pathogens need to conquer e.g. a virus first needs to attach itself to the cell membrane and injects its genetic material into the host cell before replication.
Estrogens passively diffuse across the plasma membrane and then bind to their receptor proteins in the cytoplasm of the target cells.
When estrogen enters the nucleus, it binds to the estrogen receptor, causing it to pair up and form a dimer. Then this dimer then binds to several dozen specific sites in the DNA, strategically placed next to the genes that need to be activated.
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The phenotypic range exhibited by individuals with a particular genotype under differing environmental conditions is called the of .
Answers
The phenotypic range exhibited by individuals with a particular genotype under differing environmental conditions is called the norm of reaction.
The norm of reaction refers to the range of possible phenotypic expressions that can result from a single genotype, depending on the specific environmental conditions experienced by an individual.
For example, a plant with a certain genotype may produce different sizes of leaves depending on factors such as light intensity, temperature, soil nutrients, and water availability.
Similarly, in humans, the same genotype may lead to different heights or weights depending on factors such as nutrition, exercise, and exposure to various environmental stressors.
The concept of the norm of reaction highlights the complex interactions between genotype and environment in shaping an organism's phenotype.
It emphasizes the idea that genetic determinism is not sufficient to explain the full range of phenotypic variation observed in nature and that environmental factors play a crucial role in shaping the expression of genetic traits.
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How much is DNA important to identify a group? Give a brief explanation on race ,whiteness and property? Does biological anthropologists and genome scientist need to add the relation between Europeans and Indigenous people while doing their research?
Answers
DNA is important in identifying genetic relationships within a group, but it alone is not sufficient to determine complex social constructs like race, whiteness, or property; the inclusion of social, cultural, and historical factors is crucial in understanding these concepts.
Biological anthropologists and genome scientists should consider the relationship between Europeans and Indigenous people in their research to provide a more comprehensive understanding of human genetic diversity and population history.
DNA analysis can provide valuable insights into genetic relationships within a group, such as determining genetic ancestry or identifying related individuals. However, race, whiteness, and property are social constructs that go beyond genetic factors and are shaped by historical, cultural, and socioeconomic factors. These concepts are complex and cannot be solely explained by genetic data. Therefore, it is important for researchers, including biological anthropologists and genome scientists, to recognize the limitations of genetic data and consider the broader social context when studying race, whiteness, and property.
In the context of researching Europeans and Indigenous people, it is crucial for researchers to acknowledge and incorporate the historical and ongoing relationships between these groups. This includes understanding colonization, displacement, and the impact of power dynamics on genetic diversity and health outcomes. By including this relationship in their research, scientists can contribute to a more accurate and nuanced understanding of human genetics and promote social and scientific equity.
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True or False: Aerobic respiration is the complete combustion in the absence of oxygen.
Answers
Answer:
True
Explanation:
Does the population need to be normally distributed for the sampling distribution of x over bar to be approximately normally distributed? Why?
Answers
No, the population does not need to be normally distributed for the sampling distribution of x over bar (sample mean) to be approximately normally distributed.
According to the Central Limit Theorem (CLT), the sampling distribution of the sample mean becomes approximately normal regardless of the shape of the population distribution, as long as the sample size is sufficiently large (typically n ≥ 30). This is one of the fundamental principles in statistics.
The CLT states that when random samples are taken from any population, regardless of its distribution shape, the distribution of sample means will tend to follow a normal distribution. The larger the sample size, the closer the sampling distribution will resemble a normal distribution.
Therefore, even if the population is not normally distributed, as long as the sample size is sufficiently large, the sampling distribution of the sample mean (x over bar) will approximate a normal distribution. This property of the CLT allows for the use of many statistical inference techniques that rely on the assumption of normality, even when the population distribution is non-normal.
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Read through the following scenario and answer the questions that follow. \begin{tabular}{|l|} \hline Scenario A \\ Tshepiso has accepted a new job as a medical sales representative at PharmCo Inc. Sh
Answers
Tshepiso has accepted a new job as a medical sales representative at PharmCo, Inc. She is excited to start working for the company. Tshepiso has a background in sales and marketing, and she is looking forward to using her skills in her new role. However, Tshepiso knows that she will need to learn a lot about the pharmaceutical industry to be successful in her new role. She plans to work hard and learn as much as she can so that she can excel in her new position.
1. What is Tshepiso's new job title?
Tshepiso's new job title is medical sales representative.
2. What skills does Tshepiso have that will be useful in her new role?
Tshepiso has a background in sales and marketing, and she is looking forward to using her skills in her new role.
3. What does Tshepiso plan to do to be successful in her new role?
Tshepiso plans to work hard and learn as much as she can so that she can excel in her new position.
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16.Which type of sediments would be most common where a river meets an ocean?
A. biogenous
B. cosmogenous
C. hydrogenous
D. lithogenous
Answers
Which would be the best mechanism for maintaining homeostasis when conditions suddenly change in the cell?
Answers
The best mechanism for maintaining homeostasis when conditions suddenly change in the cell is the feedback loop, specifically negative feedback loops.
Feedback loops are biological processes that help maintain balance within an organism or cell. Negative feedback loops work to counteract deviations from a set point, such as temperature or pH, by detecting the changes and triggering a response that brings conditions back to normal.
When a sudden change occurs, sensor proteins in the cell detect the deviation from the optimal condition. These sensors then send signals to effector proteins or molecules that initiate a corrective response. In negative feedback, the response opposes the original change, helping to restore balance and maintain homeostasis.
An example of this mechanism in action is the regulation of body temperature. When the body's temperature rises, thermoreceptors detect the change and signal the hypothalamus, which then initiates a cooling response by increasing blood flow to the skin and promoting sweating. Conversely, when the body's temperature drops, the hypothalamus stimulates heat production and retention to return the temperature to its set point.
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Which of the following is the best definition of an opinion? Information that cannot be proven true or false. C. Something that b. Information that is incorrect. d. An argument.
Answers
An opinion is never correct nor incorrect they are all valid in their own right. So that eliminates b. It’s true that it can’t be proven to true or false however, some opinions have no evidence so they have no warrant to be proven or disproven. An argument however, is how you argue for what you believe in, you provide examples, to prove you’re right. To prove your opinion so I believe that D is the best option here.
Earth is approximately 4. 5 billion years old. Is it likely that any of the rocks that were on earth's surface when it first formed are still in existence?.
Answers
A is the anwer, No rock material is constantly recycled on Earth's surface through the rock cycle.
which made it possible for researchers to calculate that Earth was at least 4.3 billion years old?Earth's age is generally acknowledged by astronomers and geologists to be 4.6 billion years. With the help of dating techniques like rubidium-strontium and uranium-lead, this age has been determined through the isotopic analysis of several meteorites as well as soil and rock samples from the Moon.
Which stage of the rock cycle is active at the Earth's surface?Rocks at the surface of the Earth are reduced in size by weathering. Sediments are the microscopic pieces. These sediments are moved around by erosion in different locations by running water, ice, and gravity. Sedimentation is the process by which sediments are deposited or laid down.
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.Based on small subunit rRNA phylogeny studies, the current view is that there are ________ domains of life.
a.
two
d.
five
b.
three
e.
six
c.
four
Answers
Based on small subunit rRNA phylogeny studies, the current view is that there are b. three domains of life.
These domains include Bacteria, Archaea, and Eukarya, this classification system was proposed by Carl Woese and colleagues in the 1970s, after analyzing the similarities and differences in rRNA sequences. This approach revealed that there were distinct lineages of organisms, which led to the establishment of the three-domain system.
Bacteria and Archaea are both prokaryotic domains, meaning that their cells lack a nucleus and other membrane-bound organelles. Despite their similarities, they have significant differences in their molecular and genetic makeup, justifying their separation into distinct domains. Eukarya, on the other hand, comprises organisms with eukaryotic cells, which contain a nucleus and other membrane-bound organelles. So therefore this three-domain system provides a more accurate representation of the evolutionary relationships among living organisms and has significantly impacted our understanding of the tree of life.
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sow a seasonal seed and investigate its germination. Write down all necessary conditions required for its germination.
Answers
Explanation:
Germination-
germination is the change of a seed into a Seedling under suitable conditions a seed needs warm water and air in order to germinate a tiny hole called micropyle allows the seed to absorb water the water absorbed by the seed that dissolves the food in the cotyledons and make it available to the embryo the food is used to for release of energy in the presence of air called radical comes out of the germinate seeds and grows downward in it later grows in the root system of a new plant .
100 POINTS PLEEEEEEEEEEEEEEEAAAAAAAAAAASSSSSSSEEE
Answers
Answer:
claim: muscles
Evidence: usable energy
Reasoning: your breathing increases
Explanation:
Answer:claim: musclesEvidence: usable energy Reasoning: your breathing increases
Explanation:
choose all that are lipids. multiple select question.
a. triglycerides b. glycogen c. phospholipids
d. polypeptides e. cholesterol
Answers
The lipids among the given options are:
a. Triglycerides
c. Phospholipids
e. Cholesterol
Lipids are a diverse group of biomolecules that are insoluble in water but soluble in organic solvents. They play essential roles in various biological processes and are vital components of cell membranes, energy storage, and hormone production.
Triglycerides, also known as fats or oils, are the most common type of lipid found in the body. They consist of three fatty acid molecules bonded to a glycerol backbone. Triglycerides serve as a concentrated form of energy storage in the body and are a significant component of adipose tissue.
Phospholipids are another type of lipid that is a crucial component of cell membranes. They have a hydrophilic (water-loving) head and hydrophobic (water-repelling) tails. This unique structure allows phospholipids to form a lipid bilayer, which constitutes the basic structure of cell membranes.
Cholesterol, although often associated with negative health effects, is an important lipid in the body. It is a crucial component of cell membranes and plays a role in producing hormones, vitamin D, and bile acids. Cholesterol is also involved in the formation of lipid rafts, specialized regions in the cell membrane involved in signaling and transport processes.
On the other hand, glycogen and polypeptides are not lipids. Glycogen is a complex carbohydrate that serves as a storage form of glucose in animals, while polypeptides are chains of amino acids that make up proteins.
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write a short story (at least a paragraph and a half long) explaining the rock cycle
Answers
The Rock Cycle is a group of changes. Igneous rock can change into sedimentary rock or into metamorphic rock. Sedimentary rock can change into metamorphic rock or into igneous rock. Metamorphic rock can change into igneous or sedimentary rock.
Igneous rock forms when magma cools and makes crystals. Magma is a hot liquid made of melted minerals. The minerals can form crystals when they cool. Igneous rock can form underground, where the magma cools slowly. Or, igneous rock can form above ground, where the magma cools quickly.
The Rock Cycle
by _________________
The rock cycle is a process in which rocks are continuously transformed between the three rock types igneous, sedimentary and metamorphic .Conversion to metamorphic rocks requires conditions of increased temperature and/or increased pressure, conversion to sedimentary rocks occurs via the intermediate stage of sediments, and conversion to igneous rocks occurs via the intermediate stage of magma. Increased temperature and pressure occurs in subduction zones and in areas where two plates of continental lithosphere collide to produce a mountain range, while increased pressure without increased temperature is produced when sedimentary rocks are deeply buried under more sediments. Sediments are produced when rocks are uplifted, weathered and eroded, and the resulting detrital material deposited in marine or terrestrial basins. If the sediments are buried under further layers of sediment, they can become lithified to produce a sedimentary rock. Magma is produced when rocks are melted. This melting can occur when a lithospheric plate descends into the Earth’s crust at a subduction zone, or when a mid-ocean ridge opens up and produces decompression melting in the athenosphere under the ridge. When the magma solidifies, it becomes an igneous rock.
The rock cycle has many alternative pathways. The following diagram illustrates one of these and gives an indication of the plate tectonic setting where it occurs: