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Anastaziya [24]
3 years ago
8

3. Which of the following statements correctly describes both the sperm and the ovum?*

Biology
1 answer:
nikitadnepr [17]3 years ago
6 0

Answer:

1st point describes both the sperm and ovum.

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Which proteins is used as a chemical defense at body surfaces?
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Answer: Antimicrobial proteins.

Explanation:

Antimicrobial proteins are the type of proteins produced by the keratinocytes on the body surfaces. These proteins acts as the barrier and kills the microorganism which is trying to enter the body.

These are larger proteins containing more than 100 amino acids. They are often lytic in nature.

The cell membrane of the microbes is disrupted by the action of these amino acids or proteins on them.

5 0
3 years ago
Which carbohydrate(s) are structural compounds?
muminat

Answer:

Carbohydrates are important macromolecules that consist of carbon, hydrogen, and oxygen. They are organic compounds organized in the form of aldehydes or ketones with multiple hydroxyl groups coming off the carbon chain.

Explanation:

7 0
3 years ago
12. The speed of racing car is 60m/s. What will this speed be in km/hr?
Gre4nikov [31]
60*1.609=96.5606 km/hr

that’s the only one i know bc you didn’t include an image for the steam train...atleast i can’t see it
5 0
3 years ago
What is the relationship between enzymes and catalyst?
Elena L [17]

Answer:

Catalysts are substances that increase or decrease the rate of a chemical reaction but remain unchanged. Enzymes are proteins that increase rate of chemical reactions converting substrate into product.

Explanation:

I hope this helps!!!

5 0
3 years ago
Read 2 more answers
When a substance accumulates within a living organism, it is known as ____.
nasty-shy [4]

Answer:

A: Bioaccumulation

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It accumulates (builds up) in you, its bioaccumualtion.

7 0
2 years ago
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