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Thursday Opener, Biology, Chemistry of Life Quiz

Authored by Marissa Powell

Biology

9th Grade - University

NGSS covered

Used 150+ times

Thursday Opener, Biology, Chemistry of Life Quiz
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The smallest basic unit of matter is the

molecule.
atom.
compound.
cell.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Atoms in molecules share pairs of electrons when they make

covalent bonds.
ionic bonds.
hydrogen bonds.
polymers.

Tags

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The positively charged particle in an atom is called the

neutron
ion
proton
electron

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Proteins are polymers formed from

lipids
carbohydrates
amino acids
nucleic acids

Tags

NGSS.HS-LS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An enzyme speeds up a reaction by

lowering the activation energy
raising the activation energy
releasing energy
absorbing energy

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is considered neutral?

pH of 4
pH of 9
pH of 14
pH of 7

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does  the lock-and-key model state?

any substrate can bind an enzyme 
only specific amino acids can build carbohydrates 
specific substrates bind specific enzymes 
 nucleotides must fit like a lock and a key 

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