Some chemotherapy drugs act by attaching themselves to the growing strand of a DNA molecule, thus preventing its replication. Cells on which phase of the cell cycle would be affected by this drug?

Answers

Answer 1

Answer: The answer is S phase.

If drugs prevent DNA replication which occurs in the S phase. That means that the S phase will be affected by these drugs.

Answer 2

Answer: is when the cell is on the S phase.

S-Phase is the part of cell cycle when the DNA is replicating, occurring between G1 and G2 phase

If the replication is somehow prevented, the drugs is most likely affecting the S-Phase

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Insects are most likely found in which aquatic zone?a.
pelagic
b.
littoral
c.
benthic
d.
all of the above

Answers

Answer: b. littoral

Insects are most likely found in the littoral aquatic zone. Littoral zone are rich in oxygen and has abundant and diverse food resources. Therefore, this zone supports high diversity of insects. Large taxa of insects like aquatic beetles and bugs, caddisflies, dragonflies and damsflies are important littoral zone communities.

I believe the answer you're looking for is B, make sure to mark this as brainliest if I helped! <3

Which of the following sequences is an example of a point mutation of the DNA sequence -A-A-G-T G-C- point)O-A-A-A-T-G-c--G-TA-G-A-A-c-O-A-A-G-G-T-c

Answers

The right answer is A (substitution).

-A-A-G-T G-C-

-A-A-A-T G-C-

In genetics, point mutation is the generic terminology used to describe a mutation that causes a structural change in a gene. This type of mutation can impact between one and ten nucleotides. Insertion mutation, deletion mutation and substitution mutation are the three forms of existing point mutations.

A: A-A-A-T-G-C

There has been a change from a guanine to an adenine at the third base

Most amphibians have an aquatic larval form with _____ and a terrestrial adult form with _____.

Answers

Most amphibians have an aquatic larval form with +Gills+and a terrestrial adult form with +Lungs+.

Characteristics of membrane protein:____________. 1. Membrane proteins transfer genetic information to the cytoplasm.
2. Membrane proteins act as receptors to molecules like hormones.
3. Membrane proteins form junctions between cells.
4. Membrane proteins serve as enzymes.

Answers

Answer: Membrane proteins act as receptors to molecules like hormones.

Explanation:

Membrane proteins are proteins that are closely associated with a cell membrane. On the cell membrane, they could act as receptors to molecules like hormones that need to be transported across the hydrophobic lipid bilayer.

A good example of membrane proteins is sodium channel, that acts as receptor to neurotransmitters.

What do two sugar isomers have in common

Answers

The thing that two sugar isomers have in common are their molecular formula. All isomers are compounds which have the same molecular formula but are actually made up of different structures - so for example although glucose and fructose have the exact same molecular formula, they are structured very differently which leads to them being very different types of sugar.

Which of the following is typically associated with a large amount of organic material in a water supply? Lower turbidity Higher phosphates Fecal coliform High dissolved oxygen

Answers

Fecal coliform. Fecal matter is an organic material which can be introduced to bodies of water by animals in lakes and streams. Organic material actually lowers dissolved oxygen in water.

Answer:

Fecal Coliform

Explanation:

I got this answer wrong on the test when I choose higher phosphates

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