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BIOL 141 > Cell Basics > Flashcards

Flashcards in Cell Basics Deck (13):
1

What is a cell?

The smallest units that fulfill all of the criteria for life

2

Functions of the cell

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

3

Can eukaryotes be single celled?

yes, like yeast

however, most are multicellular

4

cytoplasm

cytosol and organelles

5

organelle

membrane bound structure (except ribosome)

specific structure and purpose

6

Differences in plant and animal cells

plants have chloroplasts, central vacoule, and cell walls

7

pH of the inside of lysosomes

acidic

8

What does the golgi apparatus do?

Sugar taps lipids and products from the smooth ER

packages and sends lipids

9

What do vacuoles do?

isolate toxins

10

What do perioxisomes do?

Break down fatty acids / lipids

contain digestive enzymes

11

How large is the mitochondria?

Size of prokaryote

12

Endosymbiosis

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

backed up by size, presence of DNA and ribosomes

13

What does the cytoskeleton do?

Allows for movement of subcellular materials

consists of protein fibers that support and shape the cell