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ipn [44]
2 years ago
11

1.

Biology
1 answer:
lianna [129]2 years ago
5 0
DNA Damage: Causes and Effects
The most significant consequence of oxidative stress in the body is thought to be damage to DNA. DNA may be modified in a variety of ways, which can ultimately lead to mutations and genomic instability. This could result in the development of a variety of cancers including colon, breast, and prostate. Here we discuss the various types of damage to DNA, including oxidative damage, hydrolytic damage, DNA strand breaks, and others.
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A student was observing slides of cell division. In one of the slides, he noticed loosely coiled chromatin depicting DNA duplica
soldi70 [24.7K]

Answer:

A. S phase

Explanation:

The cell cycle involves all the series of division events that occurs to an organism. Cell division, which can be meiosis or mitosis, involves two main stages viz: Interphase and M phase.

Interphase describes the resting stage of the cell i.e. when the cell is not dividing. The cell uses this time to prepare itself for the next round of division. Interphase stage further consists of three main phases viz: G1, S and G2 phases.

In the S phase or synthesis phase of Interphase, the cell duplicates its genetic material (DNA). Hence, an onion cell observed by a student to have loosely coiled chromatin depicting DNA duplication is in the S-PHASE.

6 0
3 years ago
In Activity A, you explored photosynthesis in a pond. The dissolved oxygen in a pond is
Anon25 [30]

Answer:

Photons

Explanation:

Photons are the only source of energy for photosynthesis. Photons are absorbed by chlorophyll molecules within Photosystems I and II (and antennae complexes), generating higher-energy ‘excited’ states of the photosystems which can carry out energetically costly chemical reactions.

5 0
3 years ago
Read 2 more answers
What is the term that scientists use when comparing the properties of solids liquids and gases
Evgen [1.6K]

Answer:

The State of Matter

Explanation:

4 0
2 years ago
The hormone testosterone has been linked to aggression.<br> A. True<br> B. False
Bond [772]
Yes this is true happy to help you :)

6 0
3 years ago
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Which type of cell is more complex, prokaryotic or eukaryotic?
Lisa [10]
It is accually prokaryotic
7 0
3 years ago
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