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Morgarella [4.7K]
1 year ago
11

What generally causes thymine dimers to form in a strand of dna, and why are thymine dimers a problem?.

Biology
1 answer:
valentina_108 [34]1 year ago
6 0

Ultraviolet light can cause thymine dimers, potentially creating a mutation that could lead to cancer.

<h3>What  Causes Thymine Dimers ?</h3>

In a single POLYNUCLEOTIDE CHAIN a pair of THYMINE residues  that have become chemically bonded by the action of ULTRAVIOLET LIGHT. The lesion can inhibit DNA replication unless repaired.

Pyrimidine Dimers or thymine dimers  are usually covalent links between adjacent pyrimidine bases on the same strand of DNA.

Thymine dimers distorts the DNA shape and prevents the accurate copying of DNA, which causes mutations.

For more details regarding thymine dimer, visit

brainly.com/question/25403396

#SPJ1

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3. How many limbs do organisms in the order Gymnophiona have? 1: two 2: multiple pairs 3 : none​
vivado [14]

the organisms in the order Gymnophiona have no limbs. Option 3

<h3>What is Gymnophiona ?</h3>

Gymnophiona also  called Apoda, area known as one of the three major  orders of the class Amphibia.

Its members are known as caecilians which means “sightless” or “blind.”

Majority of the organisms in this group are limbless and wormlike amphibians that live underground in humid tropical regions throughout the world.

They are believed to have internal fertilization.

Their heads are blunt, and their skulls are bony and compact in nature.

Since they are limbless, they have no limbs

Thus, the organisms in the order Gymnophiona have no limbs. Option 3

Learn more about amphibians here:

brainly.com/question/27125398

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5 0
2 years ago
Does anyone know if these are correct, I’m just asking because idk if they are correct or not.
pashok25 [27]

Yes, these are correct

8 0
2 years ago
What is semipermeable
ANEK [815]
Semipermeable means only certain substances can pass through. I imagine you are talking about cell membranes which are semipermeable. This means vital things like oxygen and nutrients are able to pass through the membrane, while not allowing everything to enter the cell
7 0
2 years ago
sodium, chloride, and potassium in cells and body fluids are examples of: question 54 options: phytates. electrolytes. condensat
Troyanec [42]

(b) electrolytes are what sodium, chloride, and potassium in cells and body fluids are examples of.

When dissolved in water or bodily fluids, a substance called an electrolyte separates into ions (particles having electrical charges). The ions sodium, potassium, calcium, chloride, and phosphate are only a few examples.

The many electrolytes include sodium, calcium, potassium, chloride, phosphate, and magnesium. They come from the meals you consume and the liquids you drink.

Your body's electrolyte levels might get too high or too low. When your body's water balance changes, this may occur. The amount of water you consume and lose should be equal. If something throws off this equilibrium, you can be dehydrated or have too much water on your body (overhydration).

Here is another question with an answer similar to this about electrolytes: brainly.com/question/28699046

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Question correction:

Sodium, chloride, and potassium in cells and body fluids are examples of:

a. phytates.

b. electrolytes.

c. condensates.

d. solvents.

4 0
9 months ago
Which is the best example of a response to an external stimulus?
tigry1 [53]

Answer:

drinking water after a long run

Explanation:

When there arises a change or shift in the state or action of any organism because of any external stimulus, the result is said to be the response to external stimulus. The response or reaction to the external stimulus arises when the organism experiences or senses the stimulus.  

Drinking water after a long run is an example of the response to external stimulus. Here, the external stimulus is the loss of water in the water because of the action of running. This makes the individual drink water which is a response to the external stimulus.

7 0
2 years ago
Read 2 more answers
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