Why is carbon said to provide a “backbone” in many molecules?

Because carbon has the ability to concatenate (con·cat·e·nate) which it does in forming thousands of structures in biochemistry.

1. Carbon atoms can form chains and branches with each other, and other atoms can attach to these.

2. The inner shell is complete with two electrons. The outer shell is incomplete with four electrons.
3. single, double, and triple bonds
4. SH
5. It contains both an amino functional group and a carboxyl functional group. In a solution, the amino group can decrease acidity, while the carboxyl group can increase acidity.

piss.baby your a legend bro

If you thought you knew the answer you didn't need to post.

1 and 3 are OK.
2 and 5 don't have anything to do with concatenation.
4 is unknown to me. Don't know what SH stands for unless it's a sulfur-hydrogen bond but that doesn't fit the question.

absolute legend

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100 :)

piss.baby the goat

1.b

2.d
3.b
4.c
5.b

Piss baby is right I got 100 🗿👍

Carbon Compounds Quick Check

1. b
2. d
3. b
4. b
5. c

Um... Piss.Baby is wrong it's not 100%. The last one is wrong.

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piss babys answers are 100% correct

Pissing babe is getting corn meal tomorrow morning and I'll be ready to go to bed soon so we need to reschedule franklin's appointment at the house to get the results of the society and it's been a later times