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4vir4ik [10]
3 years ago
14

Which statement regarding Bax and Bak, two members of the Bcl-2 family, is true?

Biology
1 answer:
vampirchik [111]3 years ago
4 0

Answer:

Option D When activated, Bax and Bak form oligomers in the outer membrane of mitochondria, leading to the release of cytochrome c.

Explanation:

The proapoptotic genes are involved in the process of apoptosis. The antiapoptotic gene prevents apoptosis that is cell death. The proapoptotic genes are bax, bak, bad and bid. The bcl family genes are antiapoptotic genes. The process involved activation of apoptosis inside the cell is called intrinsic pathway of apoptosis.

The activation proapoptotic genes, Bax and Bak form oligomers in the mitochondria outer membrane. These pores in the mitochondrial membrane allows the release of cytochrome-c that further attaches with Apaf-1. This leads to activation of caspase 9 that further activates caspase 3, thus inducing apoptosis.

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Why is the phloem in a leaf important to the roots of a plant apex?
Nana76 [90]

Answer:

The correct answer will be- phloem transports photsynthetic products to the roots

Explanation:

Phloem is the vascular tissue which specializes in transporting the solute molecules like sugar in the form of sucrose to in the plants.

The phloem connects the photosynthetic organ (Leaves)  to non-photosynthetic organs (stem and roots) of the plants by transporting the photosynthates or sucrose to various parts.

Since the roots also need the energy to perform metabolic functions so need the photosynthates to synthesize the energy molecule. They receive the photosynthates from the phloem.

Thus, phloem transports photosynthetic products to the roots is the correct answer.

5 0
3 years ago
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4 0
4 years ago
Rickets in a condition in which the bones are soft. Children with rickets develop deformed bones. A lack of vitamin D, calcium,
cupoosta [38]

Individuals that will have the rickets condition are individuals that possess this dominant allele on the X chromosome.

<h3 /><h3>What is rickets?</h3>

The condition known as rickets causes the bone of children to be soft and flaky. It stems from insufficiency in vitamin D, calcium, and phosphorous. Scientific studies have shown that the deficiency is caused by a dominant allele on the X chromosome.

Even though the question is incomplete, we know that the individuals that will have the rickets condition are individuals that possess this dominant allele on the X chromosome.

Learn more about chromosome:brainly.com/question/296477

6 0
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Which statement about vacuoles is true
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Answer:

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Explanation:

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