Bio Exam

Question 0

Cohesion

Answer 0

Water sticks to WATER.

Question 1

Adhesion

Answer 1

Water sticks to OTHER substances

Question 2

Hydrogen bonds

Answer 2

Oxygen and hydrogen stick TOGETHER.

Question 3

Polarity

Answer 3

Different charge on opposite side.

Question 4

Universal solvent

Answer 4

WATER.

Question 5

Biology is the sturdy of

______.

Answer 5

Life.

Question 6

Goals of science?

Answer 6

• PRESENT: Investigate the world around us.
• PAST: Explain events of nature.
• FUTURE: make predictions.

Question 7

Scientific method steps:

Used to test a question

Answer 7

1. Observe
2. State the problem
3. Hypothesis
4. Expirement
5. Data and and collect analysis.
6. Conclusion

Question 8

Cyclical

Answer 8

One answer leads to more questions.

Question 9

Observations:

(Two types(

Answer 9

Quantitative and Qualitative.

Question 10

Hypothesis (set up):

Answer 10

If…. Then…. Because…

Question 11

Suspension

Answer 11

To much SOLUTE not EVENLY distributed.

Question 12

Solution

Answer 12

Evenly mixed components.

Question 13

Solute

Answer 13

Becomes dissolved by solvent.

Question 14

Solvent

Answer 14

Dissolve.

Dissolve solutes

Question 15

Ph scale:

Answer 15

Measure of PH.

Question 16

Acid #’s :

Answer 16

0-7

Question 17

Base #’s:

Answer 17

7-14

Question 18

What is a buffer:

Answer 18

When weak acids and weak

bases are used to keep the PH level stable.

Question 19

IV:

Answer 19

Changed by me.

Question 20

DV:

Answer 20

Change I SEE.

Question 21

Control:

Answer 21

No IV tested.

Question 22

Variables held constant:

Answer 22

Variables kept the same.

Question 23

Theory vs. Law

Answer 23

• can change with data (theory)

- true all the time (law)

Question 24

Characteristics of life: | G-GRACE

Answer 24

1. Grow 2. Genetic info 3. Reproduce 4. Adapt to environment 5. Made of -Cells- 6. Has ENERGY

Question 25

Organic compounds:

Answer 25

All molecules based off carbon

Question 26

Homeostasis:

Answer 26

Keeping everything balanced.

Question 27

Spontaneous Generation:

Answer 27

FALSE THEORY. All life comes from life.

Question 28

Monomer vs. Polymer

Answer 28

One unit vs. Many Units. | Mono). (Poly

Question 29

Enzymes

Answer 29

Control and regulate chemical reaction.

Question 30

Catalyst

Answer 30

Substance that speeds up chem. reaction.

Question 31

Activation energy:

Answer 31

Amount of energy required to start chem. reaction.

Question 32

Substrate --> Enzyme ---> Product

Answer 32

Biological molecule --> catalyze --> sub rate is now product. (Breaking down or building back up.

Question 33

-OSE VS. -ASE

Answer 33

Carbohydrates vs. Enzymes

Question 34

Carbohydrate (3):

Answer 34

Mono, Di, Poly | 1:2:1 1 carbon 2 hydrogen 1 oxygen

Question 35

Lipid (2):

Answer 35

Saturated, unsaturated. 3 fatty acids & 1 glycerol (triglycerides)

Question 36

Nucleic acids:

Answer 36

Nucleotides. -DNA & RNA

Question 37

Protein.

Answer 37

Amino acids. Stored ENERGY. "GLOBULAR" shaped.

Question 38

Organization of Biology:

Answer 38

12 levels of BIO.

Question 39

Atom: .

Answer 39

Smallest unit that takes up space.

Question 40

Molecule

Answer 40

Groups of atoms.

Question 41

Organelle:

Answer 41

Membrane bound.

Question 42

Cell:

Answer 42

Smallest function of life.

Question 43

PROKARYOTIC

Answer 43

Bacteria.

Question 44

Tissues:

Answer 44

g. of similar cells for a common function.

Question 45

Organs

Answer 45

A g. of similar tissues working for a common function.

Question 46

Organism:

Answer 46

An individual living thing.

Question 47

Population:

Answer 47

Group of organisms Of one type of species living in the same area.

Question 48

Community:

Answer 48

Populations that live in a defined areas.

Question 49

Ecosystem:

Answer 49

Community and it's non-living surroundings.

Question 50

Biosphere:

Answer 50

Part of the earth that contains ecosystems.

Question 51

Major organic compounds:

Answer 51

- Proteins - Carbohydrates - Lipids - Nucleic acids

Question 52

Mixture:

Answer 52

Two elements or compounds that are physically mixed but not chemically combined.

Question 53

Dipole:

Answer 53

Uneven distribution of molecules.

Question 54

Ways to denature:

Answer 54

PH, temperature, salinity.

Question 55

Carbohydrate is a __.

Answer 55

Glucose.

Question 56

We can't live without.

Answer 56

CARBON.

Question 57

Making a graph:

Answer 57

1. Title 2. X-unit 3. Y-unit 4. X-label 5. Y-label 6. Data