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a_sh-v [17]
3 years ago
8

Sickle cell anemia is caused by slight alterations in the dna that lead to

Biology
1 answer:
olasank [31]3 years ago
3 0
The negative changes which results in the lower survival rate or reproductive sucess.
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Describe how sugar is transported around a plant 6Marks<br>​
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Answer:

Sugars move from “source” to “sink” ... Sugars produced in sources, such as leaves, need to be delivered to growing parts of the plant via the phloem in a process called translocation, or movement of sugar. The points of sugar delivery, such as roots, young shoots, and developing seeds, are called sinks.

Explanation:

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Using the image what organelle is E
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Give the sequence of mRNA that would match the following DNA strand
sladkih [1.3K]

Answer:

Below

Explanation:

mRNA is a complimentary copy of a DNA segment (gene) and consequently can be used to deduce the gene sequence. For converting a sequence from mRNA to the original DNA code, apply the rules of complementary base pairing: Cytosine (C) is replaced with Guanine (G) – and vice versa. Uracil (U) is replaced by Adenine (A).

The codon is the three nucleotide sequence in the mRNA that indicates which amino acid should be incorporated in the growing polypeptide chain. The anticodon is the complementary three nucleotide sequence in the appropriate tRNA.

7 0
2 years ago
Which answer lists different behavioral responses that some animals use as defense mechanisms?Question 8 options:camouflage, mim
Crank

To answer this we need to analyze each statement

camouflage, mimicry, and stingers: This is meant to escape predation and fend off predators, so this is the correct answer.

hibernation and migration: This is meant for breeding and or food energy storage, to pass hard seasons so is also incorrect.

courtship and breeding behaviors: This is meant for reproduction and to ensure offspring so this is incorrect.

nesting and food gathering: this is a behavior for survival, resource use rather than defense, si this is not correct.

7 0
1 year ago
Each codon of a DNA molecule code is for a specific _
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Each codon of a DNA molecule code is for a specific __AMINO ACID__
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