Differences
1. Meiosis occurs in two divisions, resulting in four haploid cells. Mitosis, however, occurs in one division, resulting in two diploid cells.
2. Mitosis produces body cells, which are used for purposes of growth and repair. Meiosis, however, produces gametes, which are used in sexual reproduction.
3. Mitosis produces two identical daughter cells, but meiosis increases genetic variation by undergoing crossing over an independent assortment. The resulting daughter cells of meiosis are genetically unique to the parent cell.
Similarities
1. Both processes are completed in a specific order that is heavily monitored to ensure that errors do not occur.
2. Both processes proceed DNA replication as well as growth phases.
3. Both processes have at least one phase in which the sister chromatids separate; in the case of meiosis, it is anaphase II, and in mitosis, it is anaphase.
Answer and explanation;
-In many proteins, especially those involved in cell signaling, their structure is affected by binding to other molecules or ions. Since the Shape of the protein is directly involved in its function, the protein's activity is regulated by controlling how it is folded. If proteins were inflexible, this type of control could not occur.
-Proteins are highly variable in overall shape and chemical properties due to variation in the composition of R-groups and the array of secondary through quaternary structures that are possible. This variation allows them to fulfill many different roles in the cell. Diversity in the shape and reactivity of active sites also makes them effective catalysts.
The precursor of a mitochondrial matrix protein is found in a mutation in the tom22 signal receptor.
Tom22 and Tom20 function as N-terminal matrix targeting sequences' outer mitochondrial membrane receptor proteins. The buildup of mitochondrial matrix-targeted proteins in the cytosol due to a malfunctioning Tom22 receptor protein may be followed by cytosolic turnover of these proteins.
The N-terminal sequence, which directs the protein to mitochondria and is proteolytically processed upon import3, is produced in approximately 70% of mitochondrial precursor proteins3. To get to the matrix, they must pass via the TIM23 and TOM complexes on the inner and outer membranes, respectively.
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Answer:
Primates with opposable thumbs include great apes -- chimpanzees, bonobos, orangutans and gorillas -- and Old World monkeys like baboons and Colobus monkeys.
Explanation: