Unit 1 & 2 Review

Which organelle is responsible for controlling what enters and leaves the cell?

• Nucleus

• Cell membrane

• Mitochondria

• Ribosome

Tags

NGSS.MS-LS1-2

What is the basic structural difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells have a nucleus; eukaryotic cells do not.

• Eukaryotic cells have a nucleus; prokaryotic cells do not.

• Both have nuclei.

• Neither have nuclei.

Which of the following best describes a virus?

• A living cell with a nucleus

• A nonliving particle that requires a host to reproduce

• A type of bacteria

• A plant cell

What is the main function of enzymes in cellular processes?

• To store genetic information

• To speed up chemical reactions

• To provide structural support

• To transport oxygen

Tags

NGSS.MS-LS1-7

Which of the following is the correct chemical equation for photosynthesis?

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which process allows water molecules to move across a cell membrane from an area of high concentration to low concentration?

• Active transport

• Osmosis

• Endocytosis

• Exocytosis

Which of the following is found in both prokaryotic and eukaryotic cells?

• Nucleus

• Mitochondria

• Cell membrane

• Chloroplast

How do viruses typically spread from one host to another?

• By binary fission

• By budding off the host cell

• By direct contact, airborne particles, or bodily fluids

• By photosynthesis

What is the role of enzymes in the process of digestion?

• They slow down chemical reactions

• They break down large molecules into smaller ones

• They store energy

• They transport nutrients

Tags

NGSS.MS-LS1-7

Which of the following best represents the conservation of matter during cellular respiration?

• Matter is destroyed

• Matter is created

• Matter is rearranged into new molecules

• Matter disappears

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-5