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marissa [1.9K]
2 years ago
11

At the very beginning of translation, the first tRNA molecule __________. Attaches directly to the DNA codon connects an amino a

cid to its anticodon binds to the mRNA's start codon binds to the mRNA's anticodon
Biology
1 answer:
cluponka [151]2 years ago
4 0

it attaches to the P site of the ribosome

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20. Geneticists creating the "glow in the dark" or fluorescent rabbit, inserted the GFP gene
juin [17]

The correct answer is C) the fluorescent cells can help track the movement of cells.

Explanation:

In the last years, geneticists and scientists created animals that glow in the dark by inserting a Green Fluorescent Protein or GFP gene found in some species of jellyfish. This protein was used in animals such as rabbits, rats, and even chickens. One of the key reasons for this is that by inserting fluorescence scientists can better observe the development and movement of cells. This includes analyzing cells reproduction and growing in embryos of "glowing" animals or inserting the protein in specific cells or organs in an organism to observe how these change or move. Thus, the purpose of studying fluorescent rabbits is that "the fluorescent cells can help track the movement of cells".

3 0
3 years ago
name two major vessels that return oxygen-poor blood to the heart. What are the damages for each? Where do they terminate?
Serga [27]

Answer:

1. Head, neck, upper limb, thorax - super vena cava - top of the right atrium.

2. Lower limb - inferior vena cava - bottom of the right atrium.

Explanation:

The Heart pumps the oxygen-rich blood to the different parts of the body to Otake oxygen and nutrients to these organs and then takes the oxygen-poor blood returns from the body to the heart.

The two major vessels that return oxygen-poor blood to the heart are 1. superior vena cava (SVC) that drainages Head, neck, upper limb, thorax and terminate at top of the right atrium, and 2. inferior vena cava (IVC), Lower limb and terminate at bottom of the right atrium.

1. Head, neck, upper limb, thorax - super vena cava - top of the right atrium.

2. Lower limb - inferior vena cava - bottom of the right atrium.

4 0
3 years ago
What would happen to your dragon if the 10th nucleotide in sequence 3 was changed to a Cytosine? If it already was a Cytosine, w
Scrat [10]

Answer:

A point mutation with occur.

Explanation:

This quesiton might need more info but in general a point mutation will occur.

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2 years ago
explain why a father with blood group AB cannot donate for a child with blood group O when he marries a woman with blood group O
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The odds are astronomical for a father with AB(IV) to have an O(I) child. The only possible way for this phenomenon to occur is if there was a nondisjunction in the ovogenesis for the 9th chromosome and the father also had a nondisjunction for the same chromosome(A sperm cell with no 9th chromosome fertilized an ovum with two 9 chromosomes).

A person with AB cannot donate to a person with O because the receiver has antibodies(alpha and beta) that bind to the antigens on the AB blood cells, causing death.

7 0
3 years ago
The chart below compares the characteristics of four different cells.
Sonja [21]

Answer:

b. cell x because it has chloroplast.

5 0
3 years ago
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