Biology unit 1 Flashcards Preview

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Flashcards in Biology unit 1 Deck (16)
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1
Q

What advances in technology made the discovery of cells possible?

A

The microscope

2
Q

What is the function of the nucleus?

A

Store Data

3
Q

Which organelle breaks down organelles that are no longer useful?

A

Lysome

4
Q

Which structure makes proteins using the coded instructions that come from the nucleus?

A

Ribosomes

5
Q

Which organelles are involved in energy conversion?

A

mitochondria and chloroplasts

6
Q

Which organelle would you expect to find in plant cells but not animal cells?

A

chloroplast

7
Q

Unlike the cell membrane the cell wall is…

A

a rigid structure

8
Q

Which of the following structures serves as the cell’s boundary from its environment

A

cell membrain

9
Q

What is a function of the cell membrain

A

to keep toxic substances out of the cell

10
Q

Why does diffusion occur?

A

Molecules constantly move and colide with each other

11
Q

The diffution of water accros a selective permible membrain is called?

A

Osmosis

12
Q

An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes what?

A

Water to move into the cell

13
Q

Which organ maintain homeostasis by regulating the amount of sugar in the blood

A

liver

14
Q

Which are the components of the circulatory system

A

blood, blood vessels, and heart

15
Q

Scientific Attitudes

A

Curisity
skeptism
open minded
creativity

16
Q

scientifc method

A

Making observations
ask questions
make prediction
form hypothosis
test predictions