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Maurinko [17]
3 years ago
7

What field of science are homologous structures used as evidence for??

Biology
2 answers:
drek231 [11]3 years ago
4 0
I believe the answer you're looking for is Evolution.
ella [17]3 years ago
3 0

Answer:

The answer is Evolution. I hope this helps.!!!

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What is the center of the nucleus
Akimi4 [234]

The centre of the nucleus is an atom

4 0
2 years ago
A strain of a cereal grain can be either dark tan, medium-dark tan, medium tan, light tan, or cream colored. When a dark tan and
denis-greek [22]

Answer:

The correct answer is - 2 genes.

Explanation:

The number of genes involved in the coloration of the strain of cereal grain, could be either dark tan, medium-dark tan, medium tan, light tan, or cream-colored if all F1 are medium tan when crossed a dark tan crossed with cream-colored, can be calculated as follow:

suppose there are only two gene - TT dominant over tt and CC dominant over cc

then the cross would be - RRCC - rrcc

gametes - RC and rc

Cross F1: RrCc

Self cross in F2:

offspring by Punnet cross are:

RRCC  -->1/16  

RRCc,  RrCC .---> 4/16

RrCc, RRcc, rrCC--->6/16

rrCc, Rrcc--->4/16

rrcc ----> 1/16

thus, the correct answer is 2 genes

6 0
3 years ago
An increase in the calcium ion level in the sarcoplasm starts the sliding of the thin filaments. when the level of calcium ions
Andrew [12]
I think it’s false and
5 0
3 years ago
in addition to keratinocytes, the stratum spinosum also contains another epidermal cell type called epidermal ______ cells that
WARRIOR [948]

Keratinocytes are differentiated skin cells found in the outermost layer of the epidermis. Dendritic cells are antigen-presenting cells that play important roles in the adaptive immune response.

  • In addition to keratinocytes, the <em>stratum spinosum</em> also contains another epidermal cell type called epidermal DENDRITIC cells that help to fight infection.

  • The s<em>tratum spinosum</em><em> </em>is an epidermal skin layer between the <em>stratum granulosum </em>and<em> stratum basale</em>.

  • Dendritic cells are antigen-presenting cells that are capable of processing harmful antigens in order to present them on the cell surface to the T cells of the immune system.

Learn more in:

brainly.com/question/6955146?referrer=searchResults

5 0
2 years ago
Which statement best compares bacteria and fungi? (SC.6.L.14.6)a.Most bacteria and fungi are harmless and may be beneficial to o
BARSIC [14]

Answer:

a.Most bacteria and fungi are harmless and may be beneficial to other living things.

Explanation:

Bacteria and Fungi are two distinct organisms that belong to different class of organisms. Fungi are eukaryotic while bacteria are prokaryotic. Although they both exist in different life forms such as being parasitic, saprophytic etc. most bacteria and fungi species are harmless and may even be beneficial to other living things.

Bacteria and Fungi are beneficial to other organisms in the sense that they form mutualistic relationships with other living organisms. For example, certain species of bacteria helps to fix nitrogen in the root nodules of leguminous plants, while fungi forms a mutualistic relationship with algae called LICHEN where they benefit one another in a way or the other.

7 0
2 years ago
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