2 years ago

Proteins are polymers of _. proteins are polymers of _. ch2o units amino acids nucleotides glycerol hydrocarbons

1 answer:

6 0

Proteins are polymers of amino acids.
The human body requires 20 amino acids which can be obtained by breaking down proteins. Out of the 20, 9 are essential amino acids which the human body cannot synthesize, and it is obtained only from food source.

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Which of the following Period 4 elements has the most metallic characteristics?

stealth61 [152]

The scale of most metal characteristics goes from the bottom left-hand corner.

The least metallic is the top right-hand.

So then that means that

Calcium-YES, second column
Germanium-No, to far, in the middle
Arsenic-Non-metal,
Bromine, same for this

Calcium

8 0

3 years ago

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Which is more dense? A foam ball or a bowling ball?

STatiana [176]

A bowling ball.
definition of dense-closely compacted in substance

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2 years ago

The density of iron is about ___ times greater than water.<br><br> 6, 2, 8, 10, or 4

Lelechka [254]

Answer: 4 i think

Explanation: