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Flashcards in Quiz 1 Deck (19)
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1

Give one example of a prokaryotic organism.

Bacteria

2

Describe two differences between a prokaryotic and eukaryotic cell.

1. Mammalian cells are eukaryotic.
2. Eukaryotic cells have a nucleus.

3

T/F Cilia is an organelle only found on a Eukaryotic cell and is used by the cell for locomotion.

False.

4

A law is best described as...

...A hypothesis or theory that is tested repeatedly with the same results and thought to be without exception.

5

Sulfur

Component of most protein

6

Sodium

Positive ion for extracellular tissue

7

Nitrogen

Component of all protein and nucleic acid

8

Oxygen

Necessary for cellular energy

9

How many elements occur in nature?

92

10

A hypothesis is a ...

...Statement or idea that describes or attempts to explain observable info.

11

An experiment is ...

...A controlled testing of the properties of a substance or system through carefully recorded measurements.

12

A theory ...

...Predicts the outcome of new testing based on past experimental data.

13

Changing of matter is called

A reaction

14

Protons are

Subatomic and exist in the core of an atom
Subatomic with a positive charge
Are found in the nucleus

15

Atoms are ...

...smallest particle "not divided"

16

Solids have a ...

Definite shape and volume

17

Physical properties have ...

Color, form, density

18

There are two types of mixtures, what are they?

Heterogeneous - where you can see the different components of the mixture.
Homogeneous - where the mixture appears to be uniform. Solutions are homogeneous mixtures.

19

When two liquids do mix they are called?

Miscible.