Answer:
Answervis D.
Explanation:
I hope it's helpful!
Answer:A, His being sent away by De Lacey family instead of being accepted.
Explanation:
All of the following are functions of a cell membrane except surrounding and protecting the contents of the cell.
surrounding and protecting the contents of the cell.
releasing waste products from the cell.
producing energy for cell processes.
allowing gases to enter the cell.
Functions of a cell membrane except surrounding and protecting the contents of the cell as if it is not a function of the cell membrane it would be the producing energy for cell processes. Thus,option C is correct.
What is cell membrane?The term cell membrane has been defined as all living cells has been bounded by the structure called a cell membrane, or the plasma membrane. It consist of a thin lipoprotein film, which has been consists of the proteins and phospholipids, with the thickness of approximately 7.5 nanometers.
The structure that consist the cytoplasm of any type of cell, regardless of whether it is of plants, animals, protozoa, fungi, algae or bacteria. The cell membrane is very selective and only allows some substances to enter and exit depending on the cell's needs.
Therefore, Functions of a cell membrane except surrounding and protecting the contents of the cell as if it is not a function of the cell membrane it would be the producing energy for cell processes. Thus,option C is correct.
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Please help me solve it
Answer:
ionic
Explanation:
I don't know how to explain this
What do the results suggest about the efficiency of diffusion in supplying materials to the centre of a multicellular organism's body ?
Multicellular organisms have developed specialized tissues and systems that are responsible for completing a limited number of nutrient and waste tasks.
How do multicellular organisms increase the efficiency of diffusion?In single-celled organisms such as protistan and small multicellular organisms, vital molecules will move to where they're needed by diffusion. Once an organism is behind a certain size, it cannot get crucial molecules into and out of cells solely by diffusion.
For small multicellular organisms, diffusion beyond the outer membrane is sufficient to meet their oxygen needs. Gas trade by direct diffusion across surface laminate is efficient for organisms less than 1 mm in diameter.
So we can conclude that in multicellular organisms, nutrients are not only required to be exchanged with the environment but also dispense throughout the body.
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Which will most likely occur when raw egg is placed on black pavement on a hot, summer day?
Answer:
The answer is either B or C But im pretty sure its B!
Hope you do Great!
Explanation:
Select the statements that correctly describe how a new DNA molecule reflects the original DNA molecule from which it was copied. Select the TWO answers that are correct.
a. DNA replication proceeds in a 5' to 3' direction in the new DNA molecule and in the opposite direction in the original.
b. The nitrogenous bases in the new DNA molecule are A, T, G, and C, but the original molecule contains A, U, G, and C.
c. Each new DNA molecule contains an original strand and a newly synthesized strand.
d. The two DNA molecules are exact opposites of each other according to base pairs.
e. Base pairing rules duplicate the base pairs of the original molecule in the new molecule.
Answer:
a. DNA replication proceeds in a 5' to 3' direction in the new DNA molecule and in the opposite direction in the original
c. Each new DNA molecule contains an original strand and a newly synthesized strand.
Explanation:
DNA replication is an important process every cell must undergo prior to division. DNA replication is the process whereby DNA content is doubled. It occurs as a result of an enzyme called DNA polymerase, which synthesizes nucleotides.
DNA replication follows the semi-conservative model which uses one original DNA strand to synthesize a new DNA strand. The double-stranded DNA is separated into two single strands which serve as template for new strands. Due to the action of DNA polymerase, DNA replication proceeds in a 5' to 3' direction in the new DNA molecule and in the opposite direction in the original.
Also, each newly synthesized DNA molecule which is similar to one another contains an original strand (template) and a newly synthesized strand.
2. Suppose the object Marcie found is a rock formed by volcanic processes. What type of rock would it be? A. igneous B. metamorphic C. mineral D. sedimentary
Answer:
The answer would be A. igneous
Explanation:
What is the volume of a sample of water if the mass is 6g? Explain why this is so easy to figure out (think ratio)
(Giving Brainliest)
Answer:
6g = 6mL. The gram to milliliter ratio is 1:1.
Explanation:
Volume of a liquid is most commonly measure in milliliters. (mL)
One gram is equal to one milliliter. So, 6 grams of water is equal to 6 milliliters of water.
Hope this helps! :) Comment if you have a question about my answer.
what is the complementary sequence of rna nucleotides that would match the strand of dna? enter your letters without spaces. serleuala
The complementary sequence of RNA nucleotides that would match the strand of DNA would be UCAGUACU.
RNA is synthesized by copying a specific strand of DNA, a process called transcription. During transcription, the enzyme RNA polymerase reads the DNA sequence and synthesizes a complementary RNA molecule, using the base pairing rules of A-U and G-C.
In this case, the given strand of DNA is "serleuala".
Here are the complementary RNA nucleotides that match the strand of DNA:
S-U
E-C
R-A
L-G
E-U
U-A
A-U
L-C
A-U
So the RNA strand would be UCAGUACU.
The process of transcription is the first step of protein synthesis in which the genetic information encoded in DNA is transcribed into a single-stranded RNA molecule using the base pairing rules of A-U and G-C
Where A in the DNA is complementary to U in the RNA, and G in the DNA is complementary to C in the RNA. This RNA molecule will then be used as a template for translation in order to produce a protein.
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In a swamp a bird and a turtle feed on the same kind of fish. This will most likely result in
In a swamp a bird and a turtle feed on the same kind of fish. This will most likely result in Competition is an relations between organisms or species in which both need a resource that is in limited pool.
What is competition in an ecosystem?Competition will happen between organisms in an ecosystem when their niches overlay , they both try to utilize the exact resource and the resource is in lack of supply.
Fuana contend for chow, water and area to live. flora contend for light, water, minerals and root area.
So,Competition is an relations between organisms or species in which both need a resource that is in limited pool.
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HIGH SCHOOL
Use the same article to answer the following question.
Strongest Muscle
Explain why the soleus, or calf muscle, can be considered the muscle with the greatest absolute strength?
Which of the following did you include in your response? Check all that apply.
+ The soleus pulls with the greatest force.
+ The soleus pulls against gravity to keep the body upright.
The soleus or calf muscle, can be considered the muscle with the greatest absolute strength because the soleus pulls against gravity to keep the body upright.
What is the soleus muscle?The soleus muscle, located in the calf, is responsible for maintaining an upright posture and plays a crucial role in standing and walking. It is particularly active during activities such as walking, running, and maintaining a standing position.
The soleus muscle contracts to counteract the force of gravity acting on the body, helping to keep the body upright and maintain balance. This constant effort of the soleus muscle to counteract gravity indicates its role in supporting the body's weight and suggests that it possesses considerable strength in relation to this specific function.
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Which statement is true about nitrogen gas in the atmosphere?
It is easily absorbed and used by plants and animals.
It's taken in by plants as part of their metabolism.
It's unusable by most forms of life on earth.
It's present in only trace amounts.
The statement that is true about nitrogen gas in the atmosphere is that it is unusable by most forms of life on Earth. Nitrogen gas (\(N_2\)) makes up approximately 78% of Earth's atmosphere, and while it is abundant, it is not directly accessible to most organisms.
Nitrogen gas is composed of two nitrogen atoms held together by a strong triple bond. This bond is difficult to break, and most forms of life lack the necessary enzymes to convert nitrogen gas into a usable form. This inability to directly utilize nitrogen gas is true for both plants and animals.
However, while nitrogen gas is not directly usable, it is a crucial element for life. Nitrogen is an essential component of proteins, nucleic acids (DNA and RNA), and other vital molecules. In order to obtain the necessary nitrogen for growth and development, living organisms rely on the nitrogen cycle.
In the nitrogen cycle, nitrogen gas is converted into biologically usable forms through a process called nitrogen fixation. Nitrogen-fixing bacteria, found in soil and root nodules of certain plants, have the ability to convert nitrogen gas into ammonia (\(NH_3\)) or nitrate (\(NO^3^-\)). These forms of nitrogen can then be taken up by plants as part of their metabolism.
Once incorporated into plants, nitrogen can be passed on to animals through the consumption of plant material. Animals obtain nitrogen by consuming plants or other animals that have already assimilated nitrogen into their tissues.
In conclusion, nitrogen gas in the atmosphere is unusable by most forms of life on Earth. It requires conversion into biologically usable forms through nitrogen fixation by bacteria, and then it can be taken up by plants as part of their metabolism. This indirectly allows nitrogen to enter the food chain and be utilized by animals.
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which of the following best describes how ribosomes will interact with other organelles within a cell? (1 point)
Which of the following best describes how ribosomes will interact with other organelles within a cell?
a) They will break down other organelles by secreting digestive enzymes.
b) They will provide energy to other organelles through cellular respiration.
c) They will store waste products that are produced by other organelles.
d) They will synthesize proteins that can become components or other organelles.
Option d; They will synthesize proteins that can become components or other organelles.
Ribosomes are organelles that play a crucial role in protein synthesis. They are composed of RNA and protein, and are found in both prokaryotic and eukaryotic cells. They read the genetic code on messenger RNA and use it to build a chain of amino acids, which then fold into a functional protein. Ribosomes are found in the cytoplasm of cells, and can exist as a single unit or in groups called polyribosomes .Ribosomes are responsible for the synthesis of proteins within cells. They read the genetic code on messenger RNA (mRNA) molecules and use it to build a chain of amino acids.
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Clouded leopards are medium sized, endangered species of cat, living in the very wet cloud forests of Central America. Assume that the normal spots (XDY)are a dominant, sex-linked trait and that dark spots are the recessive counterpart. What is the possible genotype of the mother?
Answer:
It is all black
Explanation:
Because it changes over time.
Use the image above to help answer this question. Dark black lines represent rivers.
A rare toxic chemical polluted a lake in Wyoming. Many years later scientists discovered that a city in Kansas, 1000 miles away from the toxic spill, was polluted with the same rare toxic chemical. Scientists believe that the toxic chemical found in the Kansas well was the result of the toxic spill that occurred 1000 miles away. The people in Kansas were very confused about the scientist’s discovery. How could this be possible since the well was so far away from the lake or any river?
A.Pollution traveled through the surface water to reach the unsaturated zone.
B. Both locations where toxic pollution was found were along the same river.
C.The air became polluted and the wind carried the pollution to the well.
D.Both locations are in the same watershed.
Answer:
B.
Explanation:
The most likely cause of this would be that both locations where toxic pollution was found were along the same river. The toxic spill that originated in Wyoming most likely found its way to the nearby river which after a while contaminatated the entire river which travelled all the way to Kansas. Therefore, contaminating the well which gets its water from the river. Such a river that travels near both of these locations is the Cheyenne River, therefore under these circumstances it would be relatively easy for both of these bodies of water to become contaminated with the same toxin.
Help me with this ASAP!!
Does biomass contribute to global climate change?
Biomass may contribute to global climate change because certain trophic levels produce greenhouse gases.
What are greenhouse gases?Greenhouse gases are specific types of gases that can maintain heat (solar radiation) on Earth's surface and thus increase Earth's temperature.
The ruminant animals produce methane, which is an important greenhouse gas associated with the global climate.
In consequence, the sudden increase in animal husbandry due to human activities may also increase the effects of climate change.
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RNAi-based modification of amylopectin content in wheat occurs through decreased expression of starch-branching enzymes. If the siRNA used to knock down plant starch-branching enzymes was transmitted to humans, what enzyme might it affect, and why would this be harmful
If siRNA against a starch-branching enzyme was transmitted to humans, then it may affect the expression of glycogen-branching enzymes. RNAi inhibits gene expression.
Glycogen-branching enzymes are similar to starch-branching enzymes because glycogen bonds are similar to those observed between amylopectin.
The RNA interference (RNAi) pathway is an evolutionarily conserved mechanism used in molecular biology laboratories to inhibit the expression of target genes.
In the RNAi technique, a regulatory non-coding RNA called small interfering RNA (siRNA) that exhibits sequence complementary to the target gene sequence is used to inhibit and/or block the translation of the target mRNA (in this case, starch/glycogen-branching mRNA coding enzyme).
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What is the answers plz
Answer:
4. The formation and evolutuion of stars and galaxies
what separates birds from lizards
Answer:
Birds share many characteristics with reptiles such as being vertebrates, having scales on parts of their bodies, and laying amniotic eggs with shells. B. Birds have unique characteristics such as laying eggs with hard shells, and having feathers, wings, and a beak.
Explanation:
Describe two mechanisms used by bacterial host cells to protect themselves from viral infection.
Answer:
modulating their cell surfaces, releasing proteins to inhibit or degrade host immune factors
Explanation:
Describe how the gonorrhoea pathogen causes disease after it enter the body
Answer:
Gonorrhea is transmitted through sexual contact with the penis, vagina, mouth, or anus of an infected partner. Ejaculation does not have to occur for gonorrhea to be transmitted or acquired. Gonorrhea can also be spread perinatally from mother to baby during childbirth.
Select ALL of the following genotypes below that respresent males.
XXY
XX
XYY
XXX
XY
Answer:
Is it XXX that all males want?
Explanation:
Just joking! I still think it is XXY
The genotype that represents males is XY of 50 % of both X and Y chromosomes where a slight change in the alignment might cause to chromosomal disorders .
XXY , XYY , XY represents males genotypes.
What are chromosomal disorders ?
These are the disorders which are associated with the change in the normal XY sequence of males. Various disorders and syndromes are associated with the mutation and the responsible factor can be trisomy like.
XXY is a chromosomal mutation found in the males only called as Jacob syndrome, XYY is a chromosomal disorder called as klinefelter syndrome found in males only.
XX is the genotype of a female, XXX is a condition that affects 1 in every 1000 females.
Thus, except XX and XXX is the exception as both of these represent females.
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Pasagot po asap
Science subject
light is an electromagnetic wave with color and frequency. Colors consist of different wave lengths and can be reflected or absorbed.
not 100% certain on 2 and 3 though
Explain about G20 summit?
The G20 summit is an annual international meeting of leaders from the world's 20 largest economies, including the European Union. It was established in 1999, in response to the financial crises of the late 1990s, as a forum for international economic cooperation and policy coordination.
The G20 members represent around 80% of global GDP, 75% of international trade, and two-thirds of the world's population. The group includes Argentina, Australia, Brazil, Canada, China, France, Germany, India, Indonesia, Italy, Japan, Mexico, Russia, Saudi Arabia, South Africa, South Korea, Turkey, the United Kingdom, the United States, and the European Union.
The G20 summit is typically held annually, with the host country rotating among the member states. The summit provides a platform for leaders to discuss and coordinate on global economic issues, such as trade, investment, finance, and development.
In addition to the leaders' summit, there are several working groups and committees that meet throughout the year to prepare for the summit and provide ongoing policy guidance. These groups cover a range of topics, including finance, trade, employment, energy, and agriculture.
The G20 has played a significant role in shaping global economic policy over the past two decades, particularly in response to the 2008 financial crisis. The group's efforts have included coordinated fiscal and monetary policies, financial regulation reform, and support for developing countries.
However, the G20 has faced criticism for its limited representation of developing countries and its inability to address some of the world's most pressing challenges, such as climate change and inequality. Despite these challenges, the G20 remains an important platform for international cooperation and economic policy coordination.
A marine biologist and her team capture 40 sea turtles
Question: A marine biologist and her team capture 40 sea turtles and mark them before releasing them. The following year, they capture 60 sea turtles at the same location. Of the 60 sea turtles, only 15 have the mark from the prior year. What is the estimated population of sea turtles for that location? 7 sea turtles 23 sea turtles 160 sea turtles 240 sea turtles
Answer: C) 160 sea turtles
explain why it is an advantage for plants to store carbohydrates as starch rather than as sugars
Answer:
More energy are packed into less space by starch molecules far more than glucose or sucrose yet they are able to release this energy easily, hence maximizing both storage and mobilization.
Explanation:
When plants have a period of dormancy to survive, they store their food as starch. They store enough of this energy so as to be able to restart with and to be able to maintain metabolism for the entire period of dormancy.
In addition, we know that starch is not water soluble, hence, lacks the ability to pull water into storage cells or cause irregularity in water balance. More energy are packed into less space by starch molecules far more than glucose or sucrose yet they are able to release this energy easily, hence maximizing both storage and mobilization.
Glucose is not directly transported by plants to storage. Rather, in a plant stem, the form of carbohydrate being transported is sucrose and this is because it is a non-reducing and does not react with oxygen during transport in the stem to specialized storage plastids.
It is advantageous for plants to store carbohydrates as starch rather than as sugars because:
sugars such as sucrose, fructose, and glucose are soluble and cannot be stored in the body of plant.as such, plants have to find a way to store their food reservesone way to store the food would be to store them in less soluble form that cannot be washed away easily and can also be converted to usable forms when needed.Hence, starch provides for that option. Cellulose could also have been a choice, but its structure makes it such that it becomes a permanent part of the plant and cannot be converted to usable food anymore.Hence, it is advantageous to store carbohydrates as starch by plant rather than sugars because starch cannot be washed away easily and can also be converted to usable foods when needed.
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Please help me guys!!
the carbon cycle, photosynthesis, and cellular respiration and show how they are connected/work together in an ecosystem. Play the role of a carbon atom in an ecosystem. Start with the production, how are you made? And then explain how you transform through different processes. Make sure to include your role in the carbon cycle, photosynthesis, and cellular respiration. There is no set length, as long as you explain the role of carbon in each process.
Answer:
Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.
Explanation:
Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere.
What do you mean by cellular respiration?Cellular respiration is the process by which biological fuels are oxidised in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy, to drive the bulk production of ATP.
Cellular respiration is a series of chemical reactions that break down glucose to produce ATP, which may be used as energy to power many reactions throughout the body.
Cellular respiration is the process that occurs in the mitochondria of organisms (animals and plants) to break down sugar in the presence of oxygen to release energy in the form of ATP.
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The diagram below depicts part of the DNA structure during replication. Knowing that H represents Thymine. K represents ____
A) Thymine. B) Adenine. C) Cytosine. D) Guanine.
Answer:
sorry need points
Explanation:
im new
The lymphatic system serves which purpose?
-to filter blood in the circulatory system
-to regulate leukocytes in the circulatory system
-to activate antibodies in the circulatory system
-to return lymph to the circulatory system
The lymphatic system serves the purpose D) to return lymph to the circulatory system.
What happens in the lymphatic system?Lymph is a clear fluid that bathes the tissues of the body. It is similar to blood plasma, but it contains fewer proteins and more white blood cells. The lymphatic system is made up of a network of vessels that collect lymph from the tissues and return it to the bloodstream. The vessels are similar to veins, but they have thinner walls and more valves.
The lymphatic system also includes lymph nodes, which are small, bean-shaped organs that filter lymph and produce white blood cells. The lymphatic system plays an important role in the body's immune system. It helps to remove waste products and toxins from the tissues, and it helps to fight infection.
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characteristics of contaminated water
Contaminated water is a type of water that is harmful to human beings due to the presence of harmful substances, pollutants, or impurities that make the water unsafe for drinking or other household uses. The characteristics of contaminated water can be identified through various indicators, which can either be physical, biological or chemical.
Physical indicators are visible and may include color, taste, and odor, while biological indicators are not visible and may include bacteria, viruses, and protozoa. Chemical indicators may include heavy metals, pesticides, and organic compounds, among others.
Physical Characteristics: Physical characteristics of contaminated water include cloudy or turbid appearance, unusual taste or odor, or discoloration of the water. The color may range from yellow to brown, blue to green, or even black.
Biological Characteristics: Biological characteristics of contaminated water include the presence of bacteria, viruses, or protozoa. These microorganisms can cause diseases such as diarrhea, typhoid, cholera, and dysentery.
Chemical Characteristics: Chemical characteristics of contaminated water include the presence of heavy metals such as lead, arsenic, or cadmium. Pesticides and fertilizers can also contaminate water and affect human health. Organic compounds like benzene and toluene can also be present in contaminated water, which can lead to health problems such as cancer and nerve damage.
Therefore, it is important to test water sources regularly to identify and monitor any contaminants that may be present. This can help prevent health problems associated with the use of contaminated water.
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Which statement correctly describes the relationship between the complexity of an ecosystem and the resilience of that ecosystem to disturbance?
Choose 1 answer:
(Choice A)
A
As complexity increases, resilience remains the same.
(Choice B)
B
As complexity increases, resilience decreases.
(Choice C)
C
As complexity increases, resilience increases.
Answer:
A
Explanation:
onkhan
Ecosystem resilience is the natural capacity of an ecosystem to adapt to diverse perturbations and rearrange itself while going through state changes in order to sustain essential functions, hence option A is correct.
What is the complexity of an ecosystem?Once the system is perturbed, fresh circumstances may encourage a fresh set of feedback, preventing the system from resuming its pre-disturbance equilibrium.
Because there is a larger probability that any one species would have characteristics that allow it to adapt to a changing environment as a community accumulates species.
Biologically diverse communities are also more likely to have organisms that confer resilience to that ecosystem, in shallow lakes with low phosphorus levels, for instance, plants absorb phosphorus and restrict algae development.
Therefore, the ecological capability of a system to adapt to change while absorbing disturbance and reorganizing in a way that preserves function, hence option A is correct.
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