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2 years ago

What do animal and plant cells have in common

Chemistry

1 answer:

Pavlova-9 [17]2 years ago

6 0

Answer:

both have cell membranes

Explanation:

the animal cell has small or temporary vacuoles.

animal cell does not have chloroplast or cell wall.

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What make up molecules

AfilCa [17]

Answer:

atom

Explanation:

because the definition of molecule is the group of an atom is called molecule

7 0

9 months ago

Read 2 more answers

3- Fully folded proteins typically have polar side chains on their surfaces, where electrostatic attractions and hydrogen bonds

Elden [556K]

Answer:

Option C= A hydrogen bond formed between a polar side chain and a hydrophobic side chain.

Explanation:

All three given options a, b and d have common mechanism to accommodate the polar amino acid.

A= A hydrogen bond forms between two polar side chains.

B= A hydrogen bond from between a polar side chain and protein back bone.

D = hydrogen bond form between polar side chains and a buried water molecules.

All these are use to accommodate the polar amino acid.

While option C is not used. which is:

A hydrogen bond formed between a polar side chain and a hydrophobic side chain.

5 0

2 years ago

If the temperature is below zero, what will the precipitation most likely be?

Leviafan [203]

Answer: C Snow

Explanation:

Because the temperature is low and it is below freezing temperature. Sorry if I am wrong.

7 0

2 years ago

How does a buffer resist change in ph upon addition of a strong acid?

lora16 [44]

Any buffer exists in this equilibrium

HA <=> $H^+ + A^-$
In a buffer, there is a large reservoir of both the undissociated acid (HA) and its conjugate base ( $A^-$ )

When a strong acid is added, it reacts with the large reservoir of the conjugate base ( $A^-$ ) forming a salt and water. Since this large reservoir of the conjugate base is used, the ph does not alter drastically, but instead resist the pH change.

8 0

2 years ago

I REALLY NEED YOUR HELPPPPPP!!!!!!!!!!!!!!!!!!!!when the boy was skating,kinetic energy was ______and thermal energy was _______

77julia77 [94]

Answer:high,low,decreasing,increasing,low,high,potential,kinetic

Explanation:

4 0

2 years ago