The right answer is A.
Storing and transmitting the genetic information is the role of the DNA.
Proteins are biological macromolecules found in all living cells. They are formed of one or more polypeptide chains. Each of these chains consists of the sequence of amino acid residues linked together by peptide bonds. They can have multiple roles depending on their structure and composition
1- Maintenance of oncotic pressure
2- Buffer role
3- Transport function
4- Enzymes and Coenzymes
5- Role in coagulation and fibrinolysis
6- Role in immunity and allergy
7- Role in inflammation
8- Hormonal role
Prior knowledge allows you to make a well-informed hypotheses and a better-planned experiement.
Answer: Large molecules and wastes move through the membrane through forms of active transport- endocytosis and exocytosis.
Explanation:
Molecules are moved across the cell membrane via different mechanisms like diffusion, facilitated diffusion and passive transport; however, some very large molecules require specialized types of active transport to cross over- these are endocytosis and exocytosis.
During endocytosis large molecules cells and cell fragments moved across the plasma membrane through a process of <em>invagination;</em> piece of the external cell membrane falls into itself and forms a small pocket that surrounds the target molecule this breaks off from the membrane to form an intracellular vesicle. Different methods of endocytosis such as <em>phagocytosis, pinocytosis </em>and receptor-mediated <em>endocytosis</em>, take in cells, water and targeted substances respectively.
Like endocytosis, the particles (signal proteins, neurotransmitters and waste material) are surrounded by a phospholipid membrane. However, in exocytosis, this membrane is formed in the cytoplasm, and merges with the plasma membrane’s interior in a process <em>opposite to </em>endocytosis; material is removed from the cell and exported into the cell’s exterior called the extracellular space.
Based on genetic analysis of living primates calibrated by the fossil record, it is estimated that apes and Old World monkeys diverged into separate lineages around 25 mya.
<h3>
Miocene apes and modern apes</h3>
- The size of the hands is one way that Miocene primates and modern apes differ.
- The prehistoric primate genus Sivapithecus, which lived between 23.7 and 5.3 million years ago, is regarded to be the orangutan's closest living relative.
- Early in the Miocene, primitive catarrhines, apes, and Old World monkeys were confined to Africa, but by the middle and late Miocene, they had expanded to Eurasia as well.
- Close relatives of living lorises include Nycticeboides and Nycticebus.
- Proconsul africanus, a species of ape, flourished between 23 and 14 million years ago during the Miocene epoch.
- It ate fruit, but probably not as much fruit as an ape does now, and had a brain that was larger than a monkey's.
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Because of the molicules in the liquids are different