Cell Basics

Question 1

What is a cell?

Answer 1

The smallest units that fulfill all of the criteria for life

Question 2

Functions of the cell

Answer 2

1. contain genetic info
2. reproduce
3. related and have evolved
4. metabolism (make molecules)
5. extract energy and use it for work
6. regulate internal environment

Question 3

Can eukaryotes be single celled?

Answer 3

yes, like yeast

however, most are multicellular

Question 4

cytoplasm

Answer 4

cytosol and organelles

Question 5

organelle

Answer 5

membrane bound structure (except ribosome)

specific structure and purpose

Question 6

Differences in plant and animal cells

Answer 6

plants have chloroplasts, central vacoule, and cell walls

Question 7

pH of the inside of lysosomes

Answer 7

acidic

Question 8

What does the golgi apparatus do?

Answer 8

Sugar taps lipids and products from the smooth ER

packages and sends lipids

Question 9

What do vacuoles do?

Answer 9

isolate toxins

Question 10

What do perioxisomes do?

Answer 10

Break down fatty acids / lipids

contain digestive enzymes

Question 11

How large is the mitochondria?

Answer 11

Size of prokaryote

Question 12

Endosymbiosis

Answer 12

at one point mitochondria and chloroplasts were there own prokaryotic organisms until absorbed into cell

backed up by size, presence of DNA and ribosomes

Question 13

What does the cytoskeleton do?

Answer 13

Allows for movement of subcellular materials

consists of protein fibers that support and shape the cell