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fredd [130]
3 years ago
12

Dna polymerase occasionally makes errors and adds an incorrect base. a new strand of dna is being produced, and the template str

and contains a g. based on your knowledge of the structure of dna, why is it more likely that dna polymerase would accidentally add a t to the new strand instead of a g or an
a.
Biology
1 answer:
Tamiku [17]3 years ago
3 0
DNA replication occurs in the synthesis phase. And one of the main actors are DNA polymerase which helps make a new copy of a DNA strand. Occasionally, they make errors and pair incorrect bases because of the process and repetition. A is sometimes paired with G is because they are both purines nucleotides and are produced with the same nucleotide components.
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For each of the following statements, indicate
stepan [7]

The plants that were allowed to self pollinate were the F1 plants.

The plants that are true breeding are P generation plants.

The plants where there were 3times as many tall plants as short plants are in F2 generation.

<h3><u>Explanation:</u></h3>

This question is based on the Mendel’s Experiment. Sir Gregor Johann Mendel was the father of genetics who experimented on garden pea plants <em>Pisum</em> <em>sativum</em> to see whether the characters got mixed or not and to know the real cause behind different traits of same character in plants.

He took the pure homozygous tall and short plants separately which he called as parental generation or P generation. These plants were homozygous, hence pure breeding.

As these plants were crossed between themselves, then the F1 generation showed all tall plants. This is because of the heterozygous plants which showed character of dominant trait. These plants were allowed to self pollinate.

As a result of self pollination of the F1 plants, the F2 plants were 75% tall in number whereas the other 25% short, which gave the phenotypic ratio of 3:1.

4 0
3 years ago
Read 2 more answers
What's the most venomous snake in the world?
Solnce55 [7]
<span>Fierce Snake (Inland Taipan)</span>
8 0
3 years ago
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The three metabolic pathways that make up aerobic respiration are really all parts of one larger pathway because the products of
Anuta_ua [19.1K]

Answer

          The three metabolic pathways that make up aerobic respiration are really all parts of one larger pathway because the products of early pathways (like NADH) become <u>utilize</u> in the last one.

Explanation

         Aerobic respiration is that type of respiration in which glucose molecule is broken down into CO2 and H2O in the presence of oxygen and 36 or 38 ATP molecules are produced.

Aerobic respiration complete in four main steps:

1. Glycolysis

                  In this step glucose is broken down into 2 molecules of pyruvate acid along with the production of 2 ATP molecules and 2NADH.

2. Oxidation of pyruvate

                In this step pyruvate are oxidized in the presence of co-enzyme A to become Acetyl Co-enzyme A.  Again 2NADH are formed in this step.

3. Kreb Cycle

            It occus in mitochondria. Here acetyle coenzyme A enter Carbon fixation, reduction and regeneration phase. In this cycle 6 NADH, 2FADH2 and 2ATP are formed.

4. Electron transport chain

            All NADH that are produced in above steps get oxidize and help in the production of ATP along with the release of electron and proton that help in the formation of water.

4 0
3 years ago
What term describes the parents in a monohybrid cross? They are true-breeding plants. They carry a hidden allele. They differ in
emmainna [20.7K]

Ans.

A monohybrid cross can be defined as 'a cross between two individuals having different copies of a chromosome or gene of interest, which is responsible for variations in a single trait.'

These variations in a single trait are controlled by two or more alleles for a single chromosomes. For example, a cross between tall pea plant and dwarf pea plant to study the inheritance of plant height.

Thus, the correct answer is 'option). they differ in a single trait.'

5 0
3 years ago
A specific brand of gourmet chocolate candy contains 7.00 g of dietary fat in each 22.7-g piece. how many kilograms of dietary f
timofeeve [1]
7 g of dietary fat in each 22.7 g piece.
To convert pounds to kilograms, 
 1 kg = 2.205 lbs 
Thus; 1 lb is equal to 1/2.205 kg
Thus; (1/2.205) × (7/22.7)
 = 0.14 kg
Therefore; that would be 0.14 kg of fat per 1 lb of chocolate.
4 0
3 years ago
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