Ch. 3-Cells

About how many cells constitute the adult human body?

• 50-100 Million

• 50-100 billion

• 50-100 trillion

• 50-100 quadrillion

A tiny, membranous sac that contains enzymes that degrade worn cell parts and debris is a _____.

• lysosome

• nucleus

• nucleolus

• mitochondrion

Vesicles can be formed from the__________ membrane.

• lysosomal

• nuclear

• cell

• mitochondrial

____is the organelle that is responsible for directing the activities of the cell. Also known as the "control center".

• mitochondrion

• nucleus

• golgi apparatus

• endoplasmic reticulum

Tags

NGSS.MS-LS1-2

Which organelle contains the nucleolus?

• mitochondrion

• nucleus

• golgi apparatus

• ribosome

Cytoplasm is located between the cell membrane and the nuclear envelope.

• true

• false

The framework of a cell membrane is a lipid bilayer.

• true

• false

Energy is stored in ATP molecules in ribosomes.

• true

• false

Tags

NGSS.HS-LS1-7

Smooth endoplasmic reticulum has ribosomes and rough endoplasmic reticulum does not.

• true

• false

Peroxisomes and lysosomes are sacs that contain enzymes.

• true

• false