Bio Final Exam Review

Question 1

Observation?

Answer 1

Looking at the natural world and forming thoughts

Question 2

hypothesis?

Answer 2

If then statement for a question

Question 3

Predictions and experiments ?

Answer 3

To predict outcomes and perform experiments

Question 4

Data collection with statistical analysis ?

Answer 4

Analyzing data

Question 5

Conclusion ?

Answer 5

Determining what has happened and finish evaluating research

Question 6

Independent variable ?

Answer 6

The changing variable to study in experiment. (x axis on graph)

Question 7

Dependent variable ?

Answer 7

Outcome from independent variable in the experiment. (y axis on graph)

Question 8

Control variable ?

Answer 8

Standardized controls in the experiment that are held constant

Question 9

Atom ?

Answer 9

Smallest unit that retains properties of an element

Question 10

Protons ?

Answer 10

positive subatomic particle , located in the nucleus

Question 11

Neutrons ?

Answer 11

Neutral subatomic particle located in the nucleus

Question 12

Electrons ?

Answer 12

Negative subatomic particle located in a cloud or orbital surrounding the nucleus

Question 13

What has to happen for an atom to have no charge ?

Answer 13

Protons = electrons

Question 14

Valence shell ?

Answer 14

Electrons in outer shell that are used in bonding reactions

Question 15

What do we know about covalent bonds?

Answer 15

Equal sharing unless polar covalent

Question 16

What do we know about ionic bonds ?

Answer 16

Electronegativity is high on one atom while low on another, which gives a stronger pull

Question 17

Water and its bonds ?

Answer 17

Polarity of the water allows hydrogen bonds to form

Question 18

Which organic molecules use H bonds in their structure ?

Answer 18

Proteins & DNA

Question 19

What are the 4 levels of protein organization ?

Answer 19

1) Primary
2) Secondary
4) Tertiary
5) Quaternary

Question 20

What is the structure of DNA?

Answer 20

Double Helix (phosphate, base, ribose)

Question 21

ER ?

Answer 21

Modification, processing, protein folding, lipid metabolism

Question 22

Golgi apparatus ?

Answer 22

Prepares for shipment of proteins

Question 23

Cytoskeleton ?

Answer 23

The train tracks, movement of organelles through cytoplasm

Question 24

Nucleus ?

Answer 24

Command center of cell, surrounded by nuclear envelope

Question 25

Chloroplasts ?

Answer 25

Photosynthesis

Question 26

Vacuole ?

Answer 26

Storage of water , nutrients, waste products

Question 27

Cell Wall ?

Answer 27

structural component in prokaryotic and eukaryotic plant cells.

Question 28

Cell membrane ?

Answer 28

A semipermeable membrane that allows selectivity in molecules allows passage