Each strand of a DNA molecule contains nitrogenous bases that pair with other nitrogenous bases in very specific ways. A segment of a DNA strand is shown. 3’ GATCGATC 5’

Which complementary DNA strand pairs correctly with the strand above?

A. 5’ CTAGCTAG 3’
B. 5’ GATCGATC 3’
C. 5’ CUAGCUAG 3’
D. 5’ CATCGATC 3’

Answers

Answer 1

Answer:

Each base pair forms a "rung of the DNA ladder" by joining two complementary DNA nucleotide bases. Two linked strands of DNA form a double helix, which is a structure that resembles a twisted ladder.

What is complementary base pairing in DNA molecule?

Because they are complementary base pairs, adenine binds to thymine while guanine attaches to cytosine. The complimentary bases may unite to form a bond.

This aids in holding the DNA molecule's two antiparallel strands together to form the helix. The complimentary base pairing rule refers to this.

Cytosine pairs with guanine, while adenine pairs with thymine. The two strands are so complimentary to one another.

For instance, a complementary DNA strand will have the nucleotidesequence 5' CTAGCTAG 3' for a DNA strand with the nucleotide sequence 3' GATCGATC 5'.

Therefore, According to this rule, nucleotides A and T and bases G and C are always equally abundant in DNA.

Learn more about base pairing here:

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Answer 2

Answer: A. 5’ CTAGCTAG 3’ because it’s asking for the complementary DNA not RNA

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Answers

Answer:

c. The pharynx

Explanation:

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a 50 kg box is pusher across the floor.if the acceleration of the box is 2.5m/s², what is the net force ecerted on the box

Answers

Answer:

RequiredAnswer:-

Mass=m=50kg

Acceleration =a=2.5m/s^2

According to Newton 's second law of motion

${:}\longrightarrow$ $\sf F=ma$

Substitute the values

${:}\longrightarrow$ $\sf F=50×2.5$

${:}\longrightarrow$ $\sf F=125N$

Answer:

125 Newton

Explanation:

Given,

mass(m)=50kg

acceleration(a)=2.5m/s²

we have,

F=ma

=50×2.5

=125 Newton

Once M’Kenna’s small intestine healed, she started eating foods with dairy again and these foods no longer made her sick. Lactase is an enzyme that helps break down foods with dairy. In a healthy system, lactase is released from the tips of the villi in the small intestine. Using this information, make a prediction for why the damage caused by celiac disease causes problems when a person eats dairy.

Answers

Answer:

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Explanation:

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Answers

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