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denis23 [38]
2 years ago
14

What does a stigma in a flower do?

Biology
2 answers:
erma4kov [3.2K]2 years ago
6 0

Answer:

Part of the pistil where the pollen germinates

Explanation:

koban [17]2 years ago
5 0

Stigma is the platform on which pollen grains land. Pollen drops on the stigma from where fertilization occurs. Stigma's main work is to basically receive the pollen, thus it has sticky surface.

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Insect hormones and their receptors ________. A. act independently of each other B. are a focus in pest control research C. util
Leokris [45]

Insect hormones and their receptors are a focus in pest control and research. Hence, Option B is correct.

Some of the insect hormones such as ecdysone (molting hormone), JH (juvenile hormone) and their analogs can be used for biological  control of pests.

Option A: Hormone receptors are proteins that bind hormones and form hormone receptor complex to maintain cellular activities.

So Option A is incorrect.

Option B: Some of the peptide hormones used in pest control and research. So Option B is correct.

Option C: Peptide hormones interact with only cell surface whereas aminoacid derivatives and thyroid hormones directly interact with nucleus. so Option C is incorrect.

option D is incorrect.

Learn more on hormone receptor complex here:

brainly.com/question/15241630?utm_source=android&utm_medium=share&utm_campaign=question

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3 0
1 year ago
Which of these human features evolved most recently?
Greeley [361]

Answer: Enlarged brain because this is how i found it it was on quizlet

Explanation:

8 0
2 years ago
The alleles that control which blood group antigens appear on the surfaces of red blood cells are:
evablogger [386]
<span>the alleles that control which blood group antigens appear on the suface of red blood cells are codominant.</span>
8 0
3 years ago
How is a food web different from a food chain?
kompoz [17]
A food web has many different links; It links off into different animals. Where as a food chains just a line of single animals that eat those animals for example: like hawks eat bunnies and bunnies eat grass and grass is the producer.

 hope this helps u out...good luck
3 0
3 years ago
What organisms do cellular respiration? (Hint: It is more than just animals)
Natasha2012 [34]

Answer:

Cellular respiration takes place in the cells of all organisms. It occurs in autotrophs such as plants as well as heterotrophs such as animals. Cellular respiration begins in the cytoplasm of cells

Explanation:

i would say plants aswell

8 0
2 years ago
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