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makkiz [27]
3 years ago
14

Which statement would not be included in a summary of the cell theory?

Biology
1 answer:
polet [3.4K]3 years ago
6 0

Answer: All cells contain a nucleus that controls cell division.

Explanation:   This is not part of the cell cycle because prokaryotes (bacteria) do not have nuclei although they are made of cells

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Comparing amino acid sequences in proteins has been used to determine the relatedness of organisms. Below is a graphic that show
Tju [1.3M]

Answer:

A) Species A and E are more closely related than either species are related to species D.

B) Between A and B = 99.1%

Between species A and C =97.5%

Between species B and C = 97.3%

Similarity in amino acids sequence reflects similarity in DNA sequence

C) Species A and E are most closely related

D) Species A and E have the most similarity in amino acid sequence, and hence DNA sequence.

Explanation:

A) The amino acid sequences of the protein, keratin, in species A and D has a difference of about 19 whereas species A and E have a difference of only 1. Therefore, it means that keratin in species A and D will have differences in structure whereas between species A and E, they would have almost the same structure.

Also, species D and E have a difference of 20 in their amino acids sequence, therefore, the structure of keratin in both species will have differences in structure.

B) Similarity between A and B:

450 - 4 = 446

In percentage: 446/450 × 100% = 99.1%

Similarity between A and C:

450 - 11 = 439

In percentage: 439/450 × 100% = 97.5%

Similarity between B and C:

450 -12 = 438

In percentage: 438/450 × 100% = 97.3%

The sequence of DNA of species determines their amino acid sequences because information in DNA is transcribed to RNA which are then used to make proteins. Therefore, if a species are very closely related, they are expected to have very similar genetic sequences and thus proteins too. This is reflected in similarity between amino acid sequences in their proteins.

C). Species A and E are most closely related.

D) Species A and E have only a single difference in their amino acids sequence for Keratin. This translates to about 99.7% similarity which is the highest among all the species compared. Therefore, species A and E are most closely related.

7 0
3 years ago
What are the positive and negative effects of road construction in rainforest
Georgia [21]

Answer: Some consequences of building the road are that it will provide loggers access to highly-valued trees, provide a more accessible trade route for merchants and farmers, affect the wildlife and water quality in the area, and possibly cause indigenous populations to relocate.

Explanation:

7 0
2 years ago
When you go to check on your sleeping child, you observe that his eyes are moving back and forth rapidly under his eyelids. it i
Gre4nikov [31]
If your sleeping child eyes is moving back and forth while his eyelids are closed it is likely that he is sleep
3 0
3 years ago
A. puberty
Tomtit [17]

Explanation:

1.Belonging to a(n)

is important to

most adolescents and serves several functions. G. clique

2. A person's physical and biological makeup is his or her. C gender identity

3. According to Erik Erikson, adolescents go

through a(n)

a time of inner con-

flict in which they worry about their identities. E identity crisis

4.is an eating disorder in which an

individual refuses to eat and loses weight. J.anorexia nervosa

5.5. The biological event that marks the end of

childhood is A puberty

6.Albert Bandura's belief that individuals develop

by interacting with others is referred to as the

of development. F social learning theory

7. Feet that are too large for the body is an exam-

or the condition of uneven

growth or maturation of bodily parts. b. asynchrony

8.A person's

is the standard of how a

person with a given gender identity is supposed

to behave. D gender role

9.Oversimplified or prejudiced opinions and atti-

tudes concerning the way men or women

should behave are called. I.gender stereotypes

10.An adolescent's fear of being set apart from oth-

ers leads to

among peer group

members.

ple of . H conformity

4 0
3 years ago
If an object is placed an electric field how will it move
Vaselesa [24]

Answer:

Explanation:

Electric field is a vector quantity whose direction is defined as the direction that a positive test charge would be pushed when placed in the field. Thus, the electric field direction about a positive source charge is always directed away from the positive source.

3 0
2 years ago
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