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Tju [1.3M]
3 years ago
14

What does meiosis and mitosis have in common

Biology
1 answer:
maksim [4K]3 years ago
8 0
The same general processes occur in meiosis and mitosis 
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Sally’s mother has brown, straight hair, and her father has black, curly hair. Sally has brown, curly hair. Which process is res
user100 [1]

Answer:

recombination of genes during meiosis

Explanation:

6 0
2 years ago
in an experiment, you mutate the retinoblastoma gene such that its gene product behaves as if hyperphosphorylated. the result wo
lakkis [162]

Answer:

1. Weaker

2. Continuous

Explanation:

A tumor suppressor gene codes for retinoblastoma protein (pRb). The retinoblastoma protein binds to transcription factor E2F when DNA damage is detected. The E2F bound to pRb can not stimulate expression of genes that code for proteins required during the process of DNA synthesis. The cell can not enter the S phase.

On the other hand, when the retinoblastoma protein is phosphorylated by cyclin E-CDK2, E2F transcription factor is free to stimulate the expression of genes required for DNA synthesis and the cell proceeds from G1 to S phase.  

When the mutated retinoblastoma gene code for a protein that serves as phosphorylated protein, it will not be able to bind strongly with E2F and there would be continuous expression of genes required for S phase.  

3 0
3 years ago
Evolutionary theory has become the central organizing principle of biological science. Could this scientific theory ever become
sveta [45]

The answer requires looking at the meaning of the words 'theory' and 'law'. The formal definition of a theory is that it is a comprehensive explanation of a observed phenomenon supported by a lot of evidence. Law is a fact that is bound to be true in nature, example Newton's second law. However, a theory is subjected to continuous refinements based on the several new findings that happen with time. These refinements make the theory appear incomplete. As with the theory of evolution, a lot of research work is being put to understand the complex phenomenon of genetic inheritance of traits of behaviour. Unless there are evidences from nature for all the aspects of evolution in theory, it'll remain a theory and not become a law.

Answer is A) Yes, if scientists decide that enough evidence supports the theory.


6 0
3 years ago
PLEASE HELP!!! EMERGENCY!!!
Ipatiy [6.2K]

it would be C because kingdom is animalia, phylum is chordata, class is mammalia and order is carnivora and humans and tigers are both carnivors

6 0
2 years ago
Using the Image above which statement does not accurately describe the relationship between photosynthesis and cellular respirat
professor190 [17]
Water only needed for Photosynthesis.. Not both of Photosynthesis and Respiration..
4 0
2 years ago
Read 2 more answers
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