Monomers only In general, which type of molecules would be able to pass through a cell's membrane
The cell membrane is also called as the plasma membrane. It provides the protection for the cell and its cellular components from the external environment. It is basically selectively permeable and the regulates the movement of the molecules in and out of the cell. The cell membrane (plasma membrane) is a thin semi-permeable membrane that is surrounds the cytoplasm of the cell. Its function is to protect the integrity of the interior of the cell by allowing of the certain substances into the cell while keeping other substances out
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What are the two molecules that cells release during cellular respiration
what certain molecules are used for nadh in cellular respiration
NADH is produced during cellular respiration through the oxidation of glucose in glycolysis and the citric acid cycle.
Glucose is broken down into pyruvate in glycolysis, and NAD+ is reduced to NADH. Pyruvate is then converted to acetyl-CoA in the transition reaction, and NAD+ is again reduced to NADH. It produces one NADH molecule per pyruvate molecule.
In the citric acid cycle, acetyl-CoA is oxidized to carbon dioxide, and NAD+ is reduced to NADH. These molecules are used to produce ATP, the energy currency of the cell, through the electron transport chain.
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Provide a scientific term for ‘breaking down’ of nutrients.
Answer: DIGESTION
Explanation:the breaking down of nutrients is know as digestion.DIGESTION is the process of mechanically breaking down food into substances for absorption into the bloodstream. Hope this helps!
All animals need food to survive. Which of these is a use for food? A. growth B. motion C. body repair D. all of these
Answer:
D
Explanation:
The food that animals need to survive is constructed into energy that is used for
growth
ex. humans getting taller
motion
ex. energy to run
body repair
ex. repairing ripped tissues
how would you describe the relationship between the new predator and the lynx?
The relationship between the lynx and the snowshoe hare is predator-prey. As the predator hunts the prey as it food source, the popula
Which mineral resource is used to make batteries? graphite gypsum talc clay
Answer:
graphite
Explanation:
graphite is a mineral resource used to make batteries
Graphite is the mineral that is frequently utilized to create batteries. So, the correct option is A.
What is Graphite?A crystalline form of carbon that is found in nature is called graphite. Due to its special qualities, this mineral, which is exceptionally smooth and slippery, is frequently employed in a variety of applications. Due of its propensity to create a trace on paper, graphite is one of the materials that is most frequently found in pencils.
In addition to being used in pencils, graphite is also employed in lubricants, nuclear reactor moderators, batteries, and other electrical devices as electrodes. It is a good heat- and electricity-conductor and is generally chemically stable. Graphite is frequently obtained either open pit mines or underground mines and is typically found in metamorphic rocks.
Therefore, the correct option is A.
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Your question is incomplete, most probably the complete question is:
Which mineral resource is used to make batteries?
graphite gypsum talc clayfor each intermediate compound in the calvin cycle, identify the number of molecules of that intermediate and the total number of carbon atoms contained in those molecules. as an example, the output g3p is labeled for you: 1 molecule with a total of 3 carbon atoms.
We can see a number of intermediate products made of carbon molecules that follow the Calvin Cycle.
These products and the chemicals that make them up the Calvin Cycle can be listed as follows:
1. Carbon Dioxide contains 3 molecules or 3 carbons.
2. 6-phosphoglycerate has 18 carbons in 6 molecules.
3. 1,3-Bisphosphoglycerate, which contains 6 molecules and 18 carbons.
4. There are 15 carbons in 5 molecules of glyceraldehyde-3-phosphate.
5. Ribulose-5-phosphate, which has 3 molecules and 15 carbons.
6. Three ribulose 1,5-bisphosphate molecules have a total of 15 carbons.
It is crucial to note that after photosynthesis, the Calvin Cycle is one of the pathways for fixing carbon in plants.
Melvin Calvin first described this procedure, which has three stages: fixation, regeneration, and receptor.
The complete question is:-
For each intermediate compound in the Calvin cycle, identify the number of molecules of that intermediate and the total number of carbon atoms contained in those molecules. As an example, the output G3P is labeled for you: 1 molecule with a total of 3 carbon atoms. Labels may be used once, more than once, or not at all.
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how can discussion,projects,campaigns and events support victims of cyber bullying
Answer:
Discussions,projects,campaigns, and events to support victims of cyber bullying are crucial to making cyber bullying stop. They help raise awareness of the subject to help those that are victims of cyber bullying.
Explanation:
In the general population, 1 in 300 individuals is a carrier for Tay-Sachs disease, while 1 in 30 individuals of Ashkenazi Jew descent are carriers. Tay-Sachs also affects 1 in 30 individuals with French-Canadian ancestry, although two completely unique mutations are responsible for the Ashkenazi and French-Canadian mutations.Part A What are the chances of two individuals having a child with Tay-Sachs if both individuals are not of Ashkenazi or French-Canadian descent? Enter your answer using scientific notation. For the multiplication symbol, use an asterisk ). 2.77×10-8 Submit My Answers Give Up CorrectPart B What are the chances of two individuals having a child with Tay-Sachs if one individual is of Ashkenazi descent and one is not? 2.77*10-5 Submit My Answers Give Up CorrectPart B What are the chances of two individuals having a child with Tay-Sachs if one individual is of Ashkenazi descent and one is not? 2.77*10-5 Submit My Answers Give Up CorrectPart D What are the chances of two individuals having a child with Tay-Sachs if the father is an Ashkenazi carrier and the mother is a French-Canadian carrier?
(1/30) × (1/300) × 1/4 = 2.77 × 10⁻⁵,Chance of mom being a carrier × Chance of dad being a carrier × Chance of having an affected child if both parents are carriers), In the general population, 1 in 300 individuals is a carrier for Tay-Sachs disease, while 1 in 30 individuals of Ashkenazi Jew descent are carriers
Tay-Sachs disease is a rare genetic ailment that is inherited from both parents. It is brought on by the lack of an enzyme that aids in the breakdown of fatty materials. These fatty compounds, known as gangliosides, accumulate to toxic amounts in the brain and spinal cord and impair the nerve cells' ability to function. By the age of 3 to 5 years, the illness is typically deadly, frequently as a result of complications from a lung infection (pneumonia). Juvenile Tay-Sachs disease and other uncommon forms of the disease first manifest in early adulthood or later in childhood (late-onset Tay-Sachs disease).
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Is there a relationship between the available energy captured by a plant and the rate at which it
grows? Justify your answer.
Answer:
just study
Explanation:
Which statement best explains why fossil fuels are unevenly distributed throughout Earth?
A It took a specific environment and the correct organisms for them to form.
B Earthquakes have shaken them into new locations.
C When Pangea split up the fossil fuels only went to certain locations.
D The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.
The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.
Thus, The components of fossil fuels are decaying plants and animals. These fuels may be burned to provide energy and can be found in the crust of the Earth.
An example of a fossil fuel is coal, as well as oil and natural gas. Coal is a substance that is typically found in sedimentary rock formations, which are collections of rock, dead plant and animal materials, and layers of silt.
A chunk of coal must contain more than 50% fossilized plant material. Shale is one sedimentary rock type that contains oil in its native form.
Thus, The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.
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Imagine you do DNA fingerprinting in a forensics lab. You obtain six samples
from a crime scene and use them to make the DNA fingerprints shown below
Which two samples are most likely to have come from the same person?
1
2
3
6
O A. No two samples came from the same person.
OB. 4 and 5
O C. 2 and 4
O D. 1 and 6
Answer:
D
Explanation:
Because if you look at the pattern and location of each shading you cant tell that they are the exact same. No 2 people have the same fingerprint hence that has to be from the same person.
Hope it helps
Answer:
D
Explanation:
what is Infective stage of Giardia ?
Answer:
when passed in the stool or shortly afterward
Explanation:know it all
How a vaccine promotes immunity?
answer in your own words
Answer:
Because the vaccine is an antigen from living, weakened or killed microorganisms that activate the immune system and the body produces protective antibodies.
Organic semiconductors are a new technology that scientists are considering for the next generation of solar
panels. Manufacturers want to produce efficient semiconductors at a low cost. Which type of organic
semiconductors would be most desired as a solar panel technology?
The specific properties of the most desired organic semiconductors for solar panel technology may evolve as advancements are made in the field.
In the context of solar panel technology, the most desired type of organic semiconductors would typically possess the following characteristics:
High Efficiency: The organic semiconductors should have a high power conversion efficiency, meaning they can efficiently convert sunlight into electricity. This is crucial for maximizing the electricity output of solar panels.
Tunable Bandgap: Organic semiconductors with a tunable bandgap would be advantageous. The bandgap determines the range of light wavelengths that can be absorbed by the material. A tunable bandgap allows for optimization to match the solar spectrum, enabling better absorption of sunlight and improved overall efficiency.
Long Operational Lifetime: The organic semiconductors should be stable and exhibit a long operational lifetime. Solar panels are expected to endure outdoor conditions for many years, so the materials used should be resistant to degradation, such as from exposure to UV radiation or moisture.
Scalability and Low Cost: Manufacturers aim to produce organic semiconductors on a large scale at a low cost. Therefore, desirable organic semiconductors should be readily synthesized using cost-effective methods and be compatible with high-volume manufacturing processes.
Environmental Friendliness: Organic semiconductors that are environmentally friendly and have low toxicity are desirable. This is aligned with the goal of sustainable and clean energy technologies.
It is important to note that the field of organic semiconductor research is still evolving, and scientists are continually working to improve the performance and characteristics of these materials.
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What is cell souring ?
Answer:
Cell sorting is the process through which a particular cell type is separated from others contained in a sample on the basis of its physical or biological properties
Explanations hope this helps :)
Which of the following would provide evidence that the mutated form of the CFTR protein is harmful to human
The correct option is D, as epidemiological studies showing that individuals with the CFTR mutation have a higher risk of developing respiratory infections and other complications provide support for the idea that the mutated form of the CFTR protein is harmful to humans.
What happened to cause the CFTR gene to become mutated?F508del is the most prevalent CFTR mutation, seen in around 70% of patients with CF. The deletion of three base pairs in the CFTR gene results in the lack of an amino acid termed phenylalanine, abbreviated F, in the CFTR protein.
Recessive diseases include cystic fibrosis.
A mutated variant of the CFTR protein is dangerous. Individuals who inherit the mutant variant of the gene are more likely to experience major health issues.
Option D is accurate because it implies that epidemiological research supporting the hypothesis that the mutant version of the CFTR protein is detrimental to humans would demonstrate that people with the CFTR mutation have a higher chance of having respiratory infections and other issues. This is consistent with the widely held belief that the CFTR mutation has detrimental effects on health and causes problems with cystic fibrosis.
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The complete question is: Which of the following types of evidence would provide support for the idea that the mutated form of the CFTR protein is harmful to humans?
A. Studies showing that individuals with the CFTR mutation have a lower risk of developing respiratory infections and other complications.
B. In vitro studies showing that the mutated CFTR protein functions normally in the cell membrane, leading to normal ion transport.
C. Animal studies demonstrating that mice or other model organisms with the CFTR mutation have no symptoms or pathologies related to cystic fibrosis.
D. Epidemiological studies showing that individuals with the CFTR mutation have a higher risk of developing respiratory infections and other complications.
Which of the following statements is not true?
A. Proteins can assemble into filaments, sheets, and spheres.
B. The amino acid sequence illustrates the primary structure of proteins.
C. The first step in the purification of most proteins is to disrupt tissues and cells.
D. The protein domain is defined as any segment of a polypeptide chain that can fold independently into a compact stable structure.
The first step in the purification of most proteins is to disrupt tissues and cells.
Describe primary structure of protein.
The primary structure of a protein is thought to be its linear amino acid sequence. Only twenty different amino acids, each with a distinct side chain, make up proteins. Different chemistries can be found in the side chains of amino acids. The majority of amino acids have side chains that are nonpolar.
Any portion of a polypeptide chain that can independently fold into a small, stable structure creates the protein domain. A domain is the modular building block from which many larger proteins are assembled. A domain typically has between 40 and 350 amino acids.
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If the answer to the question cannot be____________ and ______________ using a scientific process, it is not considered science.
If the answer to the question cannot be tested and observed, it is not considered science.
What is considered a good answer in science?The answers to any scientific question are given as perfect answer when it is tested and observed by using a scientific process.
During the scientific investigation, every hypothesis is observed and tested before it end with a result, this makes any theory a perfect result. If any question is asked in science it relies on an investigation to give answers according to, how it is tested.
Therefore, there is a need for testing and observation in the field of science.
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Lab Intro - The Metric System
Exercise A - Measurement or distance
Someone help please
The metric system is a system of measurement that is utilized throughout the world. The fundamental units of the metric system are meter, gram, and liter. In this system, prefixes are used to represent measurements that are bigger or smaller than the fundamental units.
The prefix “kilo-,” for example, indicates a measurement that is a thousand times bigger than the fundamental unit. Lab Intro - The Metric System Exercise A - Measurement or Distance The metric system is used to measure length or distance.
The standard unit of length in the metric system is the meter, which is represented by the symbol “m.” The metric system is used to measure distances or lengths that vary from millimeters (mm) to kilometers (km).In order to determine measurements in the metric system, the fundamental units are combined with prefixes.
For example, one centimeter (cm) is equal to 1/100th of a meter, while one millimeter (mm) is equal to 1/1000th of a meter. One kilometer (km), on the other hand, is equal to a thousand meters (m).
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what mechanism is responsible for the obvious signs of an intoxicated person?A. cells are prevented from releasing hormones and enzymesB. muscle cells have been blocked by dopamine C. nerve cells or not effectively communicating with muscle cellsD. nerve cells are not functioning at all
Alcohol acts as a general depressant of the CNS. It depresses or inhibits the function of the neurons by reducing their ability to transmit or fire electrical impulses. These electrical impulses bring information that is essential for normal brain function. Drinking too much alcohol over time can weaken the muscle. The overall inhibitory effect of alcohol on the brain is very similar to that produced by other drugs that cause sedation and anesthesia.
Answer - C
why is there a crisis if "energy can neither be created or destroyed"?
Answer: Scientists say that energy can neither be created nor destroyed, so therefore it is impossible for there to be an energy crisis.
Explanation:
I'm pretty sure I'm right
Answer:
There is a problem because if energy is created as machines worked everything would speed up until it breaks, and if energy was destroyed as machines worked everything would eventually slow down and stop. So in both cases the world would end, a whimper in one a bang in the other.
Explanation:
Reference: How things Work Now(book)
How do mutations affect natural selection
Answer:
The idea of natural selection would in theory be affected by mutations because natural selection invloves a species/animal only surviving by having a certain trait. Over time, all of the animals/species would have this trait through elimination partnered with reproduction. A mutation may begin this cycle by giving an animal the ability to have an advantage over its fellow species.
Explanation:
Answer:
They affect how likely an organism is to survive and reproduce
Explanation:
Rank these organisms based on structural similarities to humans.
1 = most similar - 4 = least similar
4 v
DONE
Answer:
Chimpanzee = 1
Fly = 4
Mice = 1
Plant = 4
Explanation:
All the organisms described above have some similarity to human DNA, some are more similar, while others are less. This reveals a lot about our ancestry and biological evolution over the years.
The chimpanzee and the mice are the animals listed above that have the DNA most similar to human DNA. The chimpanzee, being a primate, just like the human being, presents 96% of its DNA similar to the human DNa. The mice, in turn, have DNA with approximately 85% similarity with the DNA of humans.
In contrast, 60% of the DNA of the fly is similar to that of humans and about 11% of the DNA of plants is similar to the DNA of humans.
Answer:
Flower 4
mouse 2
fly 3
chimpanzee 4
Explanation:
I took the text in credit recovery
COULD SOMEBODY HEEEEL_P
Answer:
The first one is wrong
Explanation:
The urine flows from the kidneys through the ureters to the bladder.
Arrange the events in photosynthesis in order, with the first event at the top and the last event at the bottom.
Photosynthesis involves Light-dependent reactions, which are the noncyclic pathway, and the light-independent reactions, known as Calvin cycle. The sequence of events is described below.
NOTE: Since I could not find the complete question, I will provide a complete explanation of how photosynthesis occurs, so you will be able to arrange the events in your statement in the correct order.
What is the photosynthetic sequence of events?Photosynthesis involves two stages: light-dependent and light-independent reactions.
LIGHT-DEPENDENT REACTION
It occurs in the thylakoids of chloroplasts. Involves the noncyclic pathway which is a flow of electrons along a chain located in the thylakoid membrane.
Photosynthetic pigments are in charge of light absorption. When sunlight reaches the pigments, electrons get excited and move along the electron transport chain.
During these reactions, oxygen is released, while ATP and NADPH are produced. Both of them are used during light-independent reactions.
LIGHT-INDEPENDENT REACTION
Light-independent reaction is known as the Calvin cycle, and it takes place in the stroma.
During the Calvin cycle, sugars or carbohydrates are synthesized.
When carbon dioxide, CO₂, enters the leaves through stomas, it diffuses to the chloroplast stroma.
Carbon atoms fixate, meaning that they incorporate into organic molecules. These molecules are used to produce 3-C sugars.
The whole process is impulsed by ATP and NADPH coming from light-dependent reactions.
SEQUENCE OF EVENTS
⇒ THYLAKOID MEMBRANE: The steps of light-dependent reactions are the followings,
1) Luminous energy is trapped by chlorophyll in Photosystem II.
2) When the pigment molecules absorb light, electrons provided by water molecules get to a higher energy level.
3) The excited electrons go through the electron transport chain from Photosystem II to a less energetic level in photosystem I.
4) When the excited electrons leave photosystem II, they are replaced by new electrons extracted from the water molecules.
5) The absorbed luminous energy moves the electrons from the photosystem I to another electron acceptor, from where they get transported again and used to produce NADPH molecules.
6) When electrons leave Photosystem I, they are replaced by new electrons coming from photosystem II.
7) When the water molecule breaks down, hydrogen ions remain in the thylakoid lumen, from where they are pumped to the stroma by the ATP synthase.
8) The released energy is used to produce ATP molecules.
9) Hydrogen ions go back from the stroma to the thylakoid compartment.
⇒ STROMA: The steps of light-independent reactions are the followings,
1) During the carbon fixation phase, a CO₂ molecule combinates with a ribulose-1,5-bisphosphate (5-C molecule) to form 6-C molecules, which will divide into two 3-phosphoglycerate molecules, 3-PGA (3-C molecules).
CO₂ + ribulose-1,5-bisphosphate ⟶ 6-C molecule ⟶ 2 3-PGA
2) During the reduction phase, ATP and NADPH are used to produce the sugar molecule glyceraldehyde-3-phosphate (G3P) from 3-PGA molecules.
NADPH donates its electrons to turn 3-PGA into glyceraldehyde 3-phosphate, G3P.
3-PGA + ATP + NADPH ⟶ G3P + ADP + NADP⁺
3) During the regeneration phase,
some glyceraldehyde 3-phosphate molecules leave the cycle and go to the cytosol to form glucose.Other G3P get recycled to regenerate the RuBP acceptor. This last reaction needs ATP and a series of other reactions.When three CO₂ enter the cycle, 6 G3P are produced. One of them leaves the cycle, and the remaining five are recycled and generate three RuBP.
⇒ CYTOSOL
1) Once in the cytosol, glyceraldehyde 3-phosphate molecules are used to form glucose and fructose.
2) These two molecules are the monosaccharides that form sucrose.
3) Once sucrose is formed, it is transported from the photosynthetic tissues to different parts of the plant by the phloem.
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What organism that does photosynthesis will you have in your aquaponics system?
Hello! In an aquaponics system, you can have various organisms that perform photosynthesis, such as algae, duckweed, and aquatic plants like watercress, lettuce, and basil. These organisms are important in the system as they convert carbon dioxide into oxygen, which is essential for the survival of the fish in the system. Additionally, they also help in removing excess nutrients from the water, thereby improving water quality.
Question 4 of 20
Which energy transfer occurs when a cube of ice is placed in a glass of
water?
A. The chemical energy of the ice is transferred to the liquid water.
B. The nuclear energy in the water molecules is released from the ice
into the liquid water.
C. Gravitational potential energy is transferred from the liquid water
to the ice.
O D. Thermal energy is transferred from the liquid water to the ice.
SUBMIT
Answer:
option (D) is the right answer
Skeleton features cladogram
The main skeletal features used to construct a cladogram include the presence or absence of specific bones/structures, bone shape/structure, dental characteristics, skeletal adaptations, and skull morphology.
Cladograms are phylogenetic trees that illustrate the evolutionary relationships between different organisms. When constructing a cladogram, various skeletal features can be used as characters to determine the branching patterns and common ancestry among organisms. Here are some main skeletal features used in cladistic analysis:
Presence or absence of specific bones or structures: The presence or absence of certain skeletal elements, such as wings or limbs, can provide insights into evolutionary relationships.
Bone shape and structure: Comparing the shapes, sizes, and structures of bones can help identify shared characteristics and infer common ancestry.
Dental characteristics: The structure and arrangement of teeth, including the type and number of teeth, can provide information about evolutionary relationships and dietary adaptations.
Skeletal adaptations: Features like the presence of a notochord, presence of a bony skeleton, or modifications for specialized locomotion (e.g., wings, fins, limbs) can be used to infer evolutionary relationships.
Skull morphology: Examination of the skull, including the shape of the cranium, presence and structure of specific cranial bones, and jaw structure, can help determine evolutionary relationships and functional adaptations.
By analyzing these skeletal features and comparing them across different organisms, cladistic analysis aims to identify shared derived characteristics (synapomorphies) that indicate common ancestry and to construct a branching pattern that represents the evolutionary relationships between the organisms being studied.
The question was incomplete. find the full content below:
What are the main skeletal features that can be used to construct a cladogram?
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A plant was placed in water containing black dye. After 24 hours the plant was removed and sections were taken from the root and the stem. Which diagram shows the results? root root C stem stem root (2) stem stem
A plant was placed in water containing black dye. After 24 hours the
plant was removed and sections were taken from the root and the
stem. In the root, cambium part will get stained and in the stem, cortex will be stained from dye.
option D is correct.
What is cambium and cortex in plant root and stem?The xylem and phloem tissues' layer of continuously dividing cells, known as the cambium, is what causes the secondary growth of stems and roots.
In a plant, the cortex is the outermost layer of the root or stem that is situated under the epidermis but external to the vascular bundles.
The conduction (uptake) of water in a plant stem takes place through the xylem.
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