Biology Study Guide Ch. 1-2

Question 0

List the levels of biological organization

Answer 0

From bottom to top:

1. Atom
2. Molecule
3. Cell
4. Tissue
5. Organ
6. Organ System
7. Organism
8. Population
9. Community
10. Ecosystem
11. Biosphere

Question 1

Define Biology

Answer 1

The study of life.

Question 2

List the characteristics of life

Answer 2

Living things generally:

1. Are organized
2. Acquire materials and energy
3. Reproduce
4. Respond to stimuli
5. Are homeostatic
6. Grow and develop
7. Have the capacity to adapt to their environment.

Question 3

List the classification categories.

Answer 3

1. Domain
2. Kingdoms
3. Phylum
4. Class
5. Order
6. Family
7. Genus
8. Species

Question 4

What are three domains?

Answer 4

1. Domain Archaea
2. Domain Bacteria
3. Domain Eukarya

Question 5

What is the process of science/the scientific method (list the design)?

Answer 5

Observation
Hypothesis
Experiment/observation
Conclusion
Scientific theory

Question 6

What is scientific theory?

Answer 6

Many experiments and observations support a theory.

Question 7

What is matter?

Answer 7

Anything that takes up space and has mass.

Question 8

Which 6 (six) elements are basic to life?

Answer 8

CHNOPS:

Carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur.

Question 9

What are the subatomic particles that make up atoms and what is their respective charge?

Answer 9

P+, -N, -E

Question 10

What is characteristic of radioactive elements?

Answer 10

They have an increased number of neutrons and they are unstable

Question 11

What is an ionic bond?

Answer 11

Attraction between “+” and “-“ charged ions.

Question 12

What is convalent bond?

Answer 12

When two atoms share electrons.

Question 13

What are the unique properties of water that make it essential to the existence of life?

Answer 13

Water:

1. Heat absorption
2. High heat of vaporization
3. It is a solvent
4. Facilitates chemical reactions
5. Inside/outside organisms
6. Cohesive and adhesive
7. High surface tension
8. Ice is less dense than liquid water therefore it floats

Question 14

What is characteristic of acids as it relates to H+ ions?

Answer 14

Increased H+ ion concentration

Question 15

What is characteristic of bases as it relates to H+ ions?

Answer 15

Decreased H+ ion concentration

Question 16

What is characteristic of organic molecules vs. inorganic molecules

Answer 16

Organic molecules are living and always contain C and H

Question 17

Polymer:

Answer 17

Carbohydrate
Lipid
Protein
Nuclei can acid

Question 18

Monomer:

Answer 18

Monosaccharide
Fatty acids
Amino acid
Nucleotide

Question 19

Different Level of Protein:

Structure or Development

Answer 19

Development Structure

ATP - Develop Energy. For a protein to be functional it
must be in it’s continary
structure.