During the duplication of dna, in what part of the cell are new strands synthesized from a supply of nucleotides?

All of the following are true of most vitamins EXCEPT A. they enhance enzymatic activity. B. they are inorganic molecules. C. th

Elenna [48]

Answer:

They are in organic

Explanation:

Vitamins are organic compounds derived from plants or animals that are needed in the body at small quantities.

They help in the body's metabolism since they enhance enzymatic activities and can act as co-factors.

They are essential for good health such as vitamin A helps in improving eye sight.

Lack of certain essential vitamins can lead to disease ,lack of vitamin D can lead to Rickets.

5 0

3 years ago

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The diagram below shows the relationship between photosynthesis and cellular respiration and the organelles in which they occur.

hichkok12 [17]

Answer:

The answer is: Carbon dioxide and water released by cellular respiration are used in photosynthesis.

Explanation:

3 0

3 years ago

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Why is good habitat important for animals?

Setler [38]

Because if animals dint have a good habitat they wont have a desent place to bd in

6 0

3 years ago

What does the red at the beginning of the video represent? What does this mean about the landscape around Mount St. Helens befor

soldi70 [24.7K]

Answer:

On May 18, 1980, an earthquake struck below the north face of Mount St. Helens in Washington state, triggering the largest landslide in recorded history and a major volcanic eruption that scattered ash across a dozen states

Explanation:

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3 years ago

In a unique species of plants, flowers may be yellow, blue, red, or mauve. All colors may be true-breeding. If plants with blue

Zolol [24]

Answer:

F1) 100% bbRr, red flowered plants.

Explanation:

<u>Available data:</u>

flowers may be yellow, blue, red, or mauve
colors may be true-breeding
the cross of blue-flowered plants with red-flowered plants, produce plants that have yellow flowers
F2 generation: 9/16 yellow, 3/16 blue, 3/16 red, and 1/16 mauve.

Knowing that the phenotypic ratio is 9:3:3:1, we can assume that there are two genes involved in the flower color expression. We can name these genes B and R with a dominant and a recessive allele each (B, b and R, r respectively).

According to the first cross, we might establish the following genotypes:

1st Cross: blue-flowered plant x red-flowered plant

Parentals) BBrr x bbRR

Gametes) Br, Br, Br, Br bR, bR, bR, bR

F1) 100% BbRr, yellow plants

Parentals) BbRr x BbRr

Gametes) BR, Br, bR, br

BR, Br, bR, br

Punnett square) BR Br bR br

BR BBRR BBRr BbRR BbRr

Br BBRr BBrr BbRr Bbrr

bR BbRR BbRr bbRR bbRr

br BbRr Bbrr bbRr bbrr

F2) 9/16 yellow ---> 1/16 BBRR + 2/16 BBRr + 4/16 BbRr + 2/16 BbRR

3/16 blue ------> 1/16 BBrr + 2/16 Bbrr

3/16 red---------> 1/16 bbRR + 2/16 bbRr

1/16 mauve ----> 1/16 bbrr

So,

Yellow-flowered plants: BBRR, BBRr, BbRR, BbRr
Red-flowered plants: bbRR, bbRr
Blue-flowered plants: BBrr, Bbrr
Mauve-flowered plants: bbrr

According to these genotypes, the second cross would be like following,

2nd Cross: true-breeding red-flowered plants with true-breeding mauve flowered plants.

Parentals) bbRR x bbrr

Phenotype) Red Mauve

Gametes) bR, bR, bR, bR br, br, br, br

Punnett square) bR bR bR bR

br bbRr bbRr bbRr bbRr

F1) 100% bbRr, red flowered plants.

6 0

3 years ago