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pentagon [3]
3 years ago
14

Select the statement below that is true concerning the smallpox

Biology
1 answer:
MaRussiya [10]3 years ago
8 0

Answer:

letter a. has not occurred naturally anywhere in the would since 1977 Ang sagot diyan

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Which organisms in this food web are producers? please select the two correct answers
love history [14]

Answer:Green algae and mangroves.

Explanation: Both on those organisms have chlorophyll and chloroplasts, and they are considered as plants.

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3 years ago
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A)Exons 2 and 3 must have the same number of nucleotides. B)Exons 2 and 3 must contain an integral number of codons (that is, th
Thepotemich [5.8K]

Answer:

Statement C is the only one that is necessarily true for exons 2 and 3. It is also true for exons 7 and 8. While statements A and B could be true, they don’thave to be. Because the protein sequence is the same in segments of the mRNA that correspond to exons 1 and 10, neither choice of alternative exons (2 versus 3, or 7 versus 8) can alter the reading frame. To maintain the normal reading frame—whatever that is—the alternative exons must have a number of nucleotides that when divided by 3 (the number of nucleotides in a codon) give the same remainder. Since the sequence of the a-tropomyosin gene is known, it is possible to check to see the actual state of affairs. Exons 2 and 3 both contain the same number of nucleotides, 126, which is divisible by 3 with no remainder.

4 0
3 years ago
Why is water important, describe the special properties of water? Provide examples.
Sveta_85 [38]

Answer:

The main properties of water are its polarity, cohesion, adhesion, surface tension, high specific heat, and evaporative cooling. A water molecule is slightly charged on both ends. This is because oxygen is more electronegative than hydrogen. ... The stream of water bends due to the polarity of water molecules.

hope this helped you

3 0
3 years ago
Base your answer on the chemical equation shown in the diagram below and on your knowledge of biology.
Nastasia [14]

Answer:

The correct option is;

A, B, and C, only

Explanation:

The amino group is the functional group of the form CH-NH₂ consisting of single bonds formed between hydrogen atoms, aryl groups, alkyl groups or two or more of such groups combined together bonded with a nitrogen atom. An amine is an organic compound that has an amino group in its composition or structure

Therefore, the amino group can be found in the molecules of A, B, and C only.  

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PLEASE HELP ME WITH THIS​
zhannawk [14.2K]

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