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kirza4 [7]
3 years ago
11

What would happen to other organism if a virus attacked all the fish and killed 50% of them ?

Biology
1 answer:
iren [92.7K]3 years ago
8 0

Answer:

Other species that rely on those fish would die off. The extinction of one species can lead to the extinction of another and so on.

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Explain in your own words why a dominant trait is not always a common trait.
taurus [48]

Answer:

Describing a trait as dominant does not mean it is the most common; it means that it is expressed over the recessive trait. For example, tongue rolling is a dominant trait, controlled by the dominant version of a particular gene (R). Individuals with one or two copies of R will exhibit tongue rolling.

6 0
3 years ago
What is a range of the lowest temperatures found at the top of the tropopause​
dlinn [17]

Answer:

62°F (17°C) to -60°F (-51°C) at the tropopause.

3 0
3 years ago
Which mutation is an example of an insertion mutation?
Burka [1]

Answer:

d. AAU CCG CAU UGG A​

Explanation:

A mutation is any change or alteration to the sequence of a gene. There are, however, different types of mutation depending on how it occurs in the gene. One of these types is INSERTION MUTATION as mentioned in this question. Insertion mutation is a type of mutation in which one or more nucleotide base is added to the sequence, hence, changing the reading frame of the original sequence.

In this question, the original mRNA sequence is given as: AAU CCG CAU GGA.

An insertion mutation will cause nucleotide base(s) to be added to this sequence, which will be noticed by an increase in number of bases in the sequence.

The correct answer is: AAU CCG CAU UGG A​. In this mutated sequence, nucleotide "U" has been added to the sequence.

8 0
2 years ago
Disulfide bonds are important in determining and stabilizing protein structure. Which amino acid, if mutated, will affect the fo
elixir [45]

Answer:

c. cysteine

Explanation:

Cysteine is a non essential amino acid. It contains sulfur in form of thiol group. A disulfide bond or bridge is formed between two thiol groups. It is represented as S-S. It is formed by oxidation of two cysteine molecules. The resultant disulfide bond is called as cystine which connects two polypeptide chains.

Cysteine is the only amino acid capable of forming disulfide bridge. It stabilizes protein's globular structure and plays an important role in protein folding and stability. Cysteine is required for protein synthesis, metabolic processes and detoxification. It is the part of beta-keratin which is the main protein in nails, hair and skin. If cysteine is mutated, formation of disulfide bond will be affected.    

6 0
3 years ago
If there are 1000 units of energy available at the producer level of this energy pyramid how much energy will be passed to the p
aniked [119]

I'm pretty sure that each level decreases the amount of energy by a factor of 1/10 so for primary consumers there would be 100 units of energy.

7 0
3 years ago
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