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Mademuasel [1]
4 years ago
9

What are the common parts of a nucleotide?

Biology
1 answer:
joja [24]4 years ago
4 0
Nucleotides, the building blocks of nucleic acids, consist of a nitrogenous base, a five-carbon sugar, and at least one phosphate group.
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A doctor is examining a gland under a microscope. It has a duct. What type of gland is it?
xeze [42]
The answer is exocrine
5 0
3 years ago
In humans, brown eyes are dominant to blue eyes. If a blue-eyed man has children with a brown-eyed woman whose mother has blue e
nlexa [21]

Answer:

50%

Explanation:

This question involves a gene coding for eye color in humans. The allele for brown eyes (B) are dominant to blue eyes (b). This means that blue-eyed individual will possess genotype: bb.

According to this question, a blue-eyed man (bb) has children with a brown-eyed woman (B_) whose mother has blue eyes (bb). Since the mother of the brown-eyed woman has a blue eye, this means that the woman will be heterozygous for brown eye (Bb).

Hence, the parents in this question will cross as follows: blue eyed man (bb) × brown-eyed woman (Bb). The offspring/children will have the following genotypes (see attached punnet square); Bb, Bb, bb, bb.

Based on the question, 2/4 = 1/2 of the children will be heterozygous for the eye color trait. That is, ½ × 100 = 50%.

4 0
3 years ago
Please answer will give brainliest. I have a bad grade in this class please.
Akimi4 [234]

Answer:

tissues that is responsible for the secondary growth of stems and roots.

3 0
3 years ago
Read 2 more answers
While doing field research, two scientists discover
zysi [14]

Angiosperms, dicots

Explanation:

Angiosperms are highly differentiated vascular plants which can produce flowers and bear fruits with seeds in them. These flowering plants undergo reproduction and produces new plants. The reproductive parts like ovules and ovaries, stigma, stamen, pollen are all present in the flowers.

Angiosperms can either be a monocot or dicot. If they contain two embryonic leaves or cotyledons they are referred as dicots. Flowering angiosperms like geranium, magnolias are all dicots.

Geranium is a dicot angiosperms that produces small purple flowers.

Gymnosperms or bryophytes do not bear flowers or fruits. Monocots have only embryonic leaf.

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3 years ago
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Are bivalves protostomes or deuterostomes?
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Bivalves are protostomes, as they belong the to phyla Protostomia. They are freshwater/marine molluscs, whose body is covered by a protecting shell. They do not have a head, and some of their examples include oysters, clams, mussels etc.  
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3 years ago
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