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Tatiana [17]
3 years ago
13

A mutation in which one nucleotide is substituted for another is called a ____________.

Biology
1 answer:
White raven [17]3 years ago
5 0
A mutation in which one nucleotide is substituted for another is called a point mutation. 
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PLEASE ONLY ANSWER IF YOU KNOW THE ACTUAL ANSWER ILL GIVE BRAINLIEST <3
Dimas [21]

Answer:

(C  RNA can catalyze biological reactions and most likely appeared before DNA.

Explanation:

From my knowledge, I believe...

RNA most likely appeared before DNA and is known to be an unstable molecule.

<em>kiniwih426</em>

6 0
2 years ago
13. The allele that results in the absence of a tail is autosomal recessive. From which parent do
PSYCHO15rus [73]

Answer:

a) both parents

Explanation:

autosomal recessive means that both copies of the "no tail" allele must be inherited in order to produce a dog with no tail, therefore the answer is both parents

5 0
3 years ago
A student hypothesized that pillar coral eat and digest zooxanthellae for energy. Which observation would cause the student to c
mixer [17]

Answer:

A

Explanation:

According to this hypothesis that pillar coral digested zooxanthellae, the coral digested zooxanthellae inside the pillar coral must be dead. If anything is engulfed then it should be first dead inside the body of the predator and then the energy is extracted from the food. The food eaten serves as a source of energy.

3 0
2 years ago
Botulism is caused by ingestion of a proteinaceous exotoxin; therefore, it can easily be prevented by
hammer [34]

Botulism can easily be prevented by boiling food prior to consumption.

<h3>What is Botulism?</h3>

Botulism may be defined as an imperative food poisoning that is provoked by botulinum toxin delivered in food by a bacterial species clostridium botulinum.

Clostridium botulinum inhibits the release of acetylcholine in the neuromuscular junction and causes defects in sensory perception through the central nervous system.

It can only be prevented by taking the proper boiled food prior to consumption.

The complete question is as follows:

  • boiling food prior to consumption.
  • administering antibiotics to patients.
  • not eating canned food.
  • filtering food.
  • preventing fecal contamination of food.

Therefore, the correct option for this question is A, i.e. boiling food prior to consumption.

To learn more about Food poisoning, refer to the link:

brainly.com/question/2192816

#SPJ1

4 0
1 year ago
Perubahan wujud benda cair dapat dipengaruhi oleh...<br>A. panas<br>B. udara<br>C. air<br>D. es​
zaharov [31]
I think it is A. panas
7 0
3 years ago
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