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drek231 [11]
2 years ago
14

An anti-antibody is an antibody directed against ____________________.

Biology
1 answer:
azamat2 years ago
7 0

Answer:

ANOTHER ANTIBODY MOLECULE OR A

Explanation:

I just know

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The phenomenon of single or double fertilization is unique to the seed plants
Ksju [112]

Answer:

Double fertilization

Explanation:

The phenomenon of double fertilization is unique to flowering plants (i.e., angiosperms). Each pollen grain produces two male gametes (sperm cells), one of which fertilizes the egg to form the zygote, whereas the other sperm fuses with polar nuclei in the female gametophyte in order to form a triploid cell (3n) called endosperm. Subsequently, this endosperm will support embryonic growth by supplying storage nutrients and by serving as a mechanical barrier during seed development and germination.

5 0
3 years ago
I NEED HELP NOWWWW! This site is a beachfront property on the east coast of the United States known to have a storm. Choose all
larisa86 [58]

Answer: flooding, high winds, Avalanches, earthquakes

Explanation:

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6 0
3 years ago
Josue has to move a bookshelf 7 meters to the right. If he pushes with 9
Nookie1986 [14]

Answer:

nothing you will get

4 0
3 years ago
A man of unknown genotype has type B blood, his wife has type A blood (also unknown genotype). List ALL the blood types possible
shtirl [24]

Answer:

AB, aB, Ab

Explanation:

Man has blood type B so could be BB (homozygous dominant) or could be Bb (heterozygous)

Woman has blood type A, so she could be AA (heterozygous dominant) or Aa (heterozygous)

Now, we need to make a separate cross for woman with AA, man with BB and we get children of all AB

Then we can make another cross for genotypes Aa and BB, and we get AB and aB

We can continue this for AA,Bb and for Aa,Bb

5 0
3 years ago
Describe the following types of cell signaling:
ANTONII [103]

Answer:

Autocrine =  Autocrine signaling is a form of cell signaling in which a cell secretes a hormone or chemical messenger (called the autocrine agent) that binds to autocrine receptors on that same cell, leading to changes in the cell.This can be contrasted with paracrine signaling, intracrine signaling, or classical endocrine signaling.

Juxtacrine =  Juxtacrine signalling (or contact-dependent signalling) is a type of cell–cell or cell–extracellular matrix signalling in multicellular organisms that requires close contact.

Endocrine = Endocrine signaling occurs when endocrine cells release hormones that act on distant target cells in the body. Endocrine signaling can be distinguished from two other types of signaling: neural signaling and paracrine signaling. ... Neurons are connected to their target cells via synapses.

Paracrine = Paracrine signaling is a form of cell signaling or cell-to-cell communication in which a cell produces a signal to induce changes in nearby cells, altering the behaviour of those cells.

3 0
3 years ago
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