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LenaWriter [7]
2 years ago
5

Newly formed B cells which bind to autoantigens (self-antigens) will undergo apoptosis. This process is known as:

Biology
1 answer:
Aleksandr [31]2 years ago
3 0

<em>I </em><em>Don't </em><em>No</em><em> </em><em>if </em><em>you </em><em>have </em><em>any </em><em>questions </em>

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A sample of DNA reveals 30.3% Adenine. How much Guanine is present?
tiny-mole [99]

Answer:

69.7%

Explanation:

Adenine base pairs with thymine

guanine base pairs with cytosine

you need to get to 100%

30.3-100=69.7%

There will be 30.3% or adenine and thymine and 69.7% or guanine and cytosine.

7 0
3 years ago
A dehydration synthesis reaction is best described as a chemical reaction in which
Radda [10]

two molecules or moieties combine to form one single molecule, together with the loss of a small molecule. When this small molecule is water, it is known as a dehydration reaction; other possible small molecules lost are hydrogen chloride, methanol, or acetic acid.

8 0
3 years ago
Read 2 more answers
List the name and defining characteristics of each of these major groups of plants covered in the reading (Green algae, Bryophyt
Oksanka [162]

Answer:

Green algae is divided into chlorophyte and chlorophyte. It possess chlorophyll a and b.

Bryophytes includes the liverworts, mosses and hornworts. It is know tracheaophytes I.e. is not vascular without extensive transport system, it needs water to reproduce sexually. It's Gametophyte is dominant and stomata are absent. (Hornworts possess stomata; it's related to tracheaophytes.

Ferns have vascular tissue, xylem and pholem, stem, root, leaves, dominant sporophyte. It's sporophyte possess rhizomes and fronds plus sporingia aldo called sori. Ferns are seedless vascular plants.

Gymnosperms includes the conifers, cycad e.t.c. It has its ovules resting on a scale. The ovules later develop into the seed. These seeds are naked as there are not enclosed in the chambers.

Angiosperms have flowers and fruits and show diuble fertilization. This is a  huge clade that consists of all flowering plants. Unlike Gymnosperms

They develop enclosed in chambers known as ovaries.

5 0
3 years ago
Prey
densk [106]

Answer: A

Explanation:

i took biology and all that fun stuff with trophic levels

6 0
3 years ago
Read 2 more answers
You come across caribou maternity pens while hiking. Which of the following do you see in them?
shtirl [24]

Answer:

a.

Explanation:

caribou maternity pens are enclosed areas created to care for pregnant female caribou and their offspring. As well as allowing the mothers to take care of their offspring in a safe and nurturing condition. Therefore the hikers passing by the pens most likely would see Pregnant females and young caribou within the pens.

8 0
3 years ago
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