Biology Summer School

What make up muscle tissues?

Muscle cells

Chad drew a diagram to compare animal cells and bacterial cells. Which label belongs in the area marked X?

Ribosomes

What do all of the organ systems in a human form?

The Organism

A scientist is observing onion cells and human cheek cells under a microscope. Which observation does she most likely make?

The onion cells have lysosomes, and the cheek cells do not.

are a goup of cells that work together to perform a specific function.

Tissues

Alyssa is observing two cells, X and Y. Each cell is from either a plant or an animal. She records some of her observations in a chart. Cell Observations Cell XCell Y has lysosomes lacks lysosomes lacks a cell wall has endoplasmic reticulum has ribosomes have a nucleus

Which additional observation will Alyssa most likely make? Cell X has a cell membrane, and Cell Y does not.

What are tissues made up of?

cells