BIO121 Exam 1 Review Quiz

The match between structure and function can be explained by ___________.

• Symbiosis

• Natural Selection

• Hydrogen Bonds

• Gene Expression

Tags

NGSS.HS-LS1-1

We know this cell is a Eukaryotic cell because it contains __________.

• DNA

• a nucleus

• ribosomes

• a plasma membrane

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What is the sequence of the complementary strand of the following DNA molecule?

5' - T A G A C T A - 3'

• 3' - T A G A C T A - 5'

• 3' - A T C T G A T - 3'

• 3' - C G A G T C G - 5'

• There's a second strand??

The "M" in mRNA stands for

• Messenger

• Middle

• Massive

• Multiple

This type of interaction is considered a ______________

• Negative Feedback Loop

• Positive Feedback Loop

• Neutral Feedback Loop

• None of the above

Tags

NGSS.HS-LS1-3

Matter is anything that takes up space and has ____________.

• a charge

• DNA

• mass

• hydrogen bonds

Tags

NGSS.HS-PS1-7

A(n) ___________ is the smallest unit of matter that retains the properties of an element

• compound

• molecule

• cell

• atom

Tags

NGSS.HS-PS1-8

In a neutral atom, the number of protons = the number of __________.

• atoms

• neutrons

• electrons

• valence shells

Tags

NGSS.HS-PS1-7

The 1st electron shell is capable of holding ___ electrons, while the 2nd electron shell is capable of holding ___ electrons

• 2, 2

• 2, 8

• 4, 8

• 8, 8

__________ bonds are the strongest bonds in living organisms

• Ionic

• Hydrogen

• Covalent

• van der Waals