Unit 2 Exam - Cell Structure and Function

What is the basic unit of an organism?

• Chloroplast

• Organ

• Organelles

• Cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

When an organism has cells with a nucleus, they are called _______.

• Prokaryotes

• Eukaryotes

• Bacteria

• Archaea

What are the small structures inside of cells that carry out specific functions called?

• Organelles

• Tissues

• Organs

Tags

NGSS.MS-LS1-2

Main difference between prokaryotic and eukyarotic cells is...

• presence of a nucleus

• presence of DNA

• presence of a cell membrane

• no difference

On what organelle are proteins synthesized?

• Ribosome

• Membrane

• Nucleus

• Golgi

Tags

NGSS.MS-LS3-1

Which process takes place in structure A?

• cellular respiration

• photosynthesis

• digestion of fats

• protein synthesis

Answer explanation

(A) is a Mitochondria - The POWERHOUSE of the cell. It releases energy through the process of Cellular Respiration.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which cell organelle is most directly involved with the bonding of amino acids?

• endoplasmic reticulum

• Ribosomes

• mitochondrion

• Cell Wall

Answer explanation

Ribosomes use the instructions in RNA to make Amino Acids.

Tags

NGSS.MS-LS1-2

After a cell was treated with a certain chemical, the ribosomes stopped functioning. Which cell activity was immediately affected by this change in ribosome function?

• excretion of metabolic wastes

• intracellular transport

• protein synthesis

• aerobic respiration

Answer explanation

Ribosomes are in charge of making Amino Acid chains called Proteins.

Tags

NGSS.MS-LS1-2

Cytoplasm

• Site of photosynthesis

• Control center

• Jelly like fluid that surrounds organelles

Tags

NGSS.MS-LS1-2

Nucleus

• controls functions of cells and contains genetic material (DNA)

• A group of organs that have a specific function

• water storage for plants

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2