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ExtremeBDS [4]
3 years ago
5

What does the nucleus do

Biology
2 answers:
Agata [3.3K]3 years ago
5 0

Answer:

the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass

Explanation:

your welcome

Anna71 [15]3 years ago
4 0

Answer: The nucleus controls and regulates the activities of the cell and carries the genes, structures that contain the hereditary information.

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Based on the Punnett square, what is the phenotype of the offspring?
mr_godi [17]

Answer:

The phenotype is what the outside looks of a organism is.

Explanation:

There is no punnet square to answer this question

9 0
3 years ago
A fourth type of restriction enzyme is identified that cleaves at precise locations like a type II enzyme, but it also occasiona
Mkey [24]

Answer:

No, in molecular cloning cutting mistakes can lead to in correct ligation

C) No, because cutting mistakes could lead to incorrect cloning.

Explanation:

in molecular cloning, if you want to insert a specific gene of interest in to specific vector, the selection of enzyme and strategy before that is very important.  The restriction enzyme should be selected which restrict at the desired location in the cloning sites. Any mistake in these selection or undesirable mutation mistakes can lead to in correct or unsuccessful cloning results.  

6 0
3 years ago
Sometimes genes, for no known reason, change their form in a process called spontaneous __________.
cupoosta [38]

Answer:

Mutation.

Explanation:

Mutation may be defined as the sudden heritable change in the DNA sequence of the organisms. Mutation can results in the change in the genotype and phenotype of the organisms.

Two main types of mutation are spontaneous mutation and induced mutation. Induced mutation occurs intentionally with the help of the mutagens. Spontaneous mutation is the natural mutation that occurs for the no known reason.

Thus, the answer is spontaneous mutation.

7 0
4 years ago
The repeating unit of a skeletal muscle fiber is the
zheka24 [161]
Correct answer- <span>sarcomere</span>
5 0
3 years ago
Observation: characteristics of cockroach. There are<br>pairs of walking legs.​
Lina20 [59]

Answer:

<h2>Cockroaches are generalized insects with few special adaptations, and may be among the most primitive living Neopteran insects. They have a relatively small head and a broad, flattened body, and most species are reddish-brown to dark brown. They have large compound eyes, two ocelli, and long, flexible antennae.</h2>

three pairs

Thorax. On the thorax, all cockroaches have three pairs of legs. Adults of most of the domestic species have two pairs of wings, although one species, the oriental cockroach, has poorly- developed wings in both sexes.

8 0
3 years ago
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