slide 1, lecture

Question 1

define life

Answer 1

life is a self reproducing entity that metabolizes, respires, reproduces and evolves over time

Question 2

what are the 4 major macromolecules

Answer 2

1. lipids (glycerol + fatty acids)
2. carbohydrates (monosaccharides (ex: glucose))
3. proteins (amino acids)
4. nucleic acids (nucleotides: A, T, G, C, U)

Question 3

hierarchical organization of an organism

Answer 3

1. atom
2. molecule
3. macromolecule
4. organelle
5. cell
6. tissue
7. organ
8. organ system
9. organism

Question 4

cell theory

Answer 4

1. all living organisms are composed of cells
2. cells are the basic living unit of structure and organization in all organisms
3. all cells are derived from previously existing cells

Question 5

genetic program

Answer 5

genes provide instructions for how to develop and function
- blueprint for anatomy and physiology

Question 6

define metabolism

Answer 6

obtain and use energy through the nutrients of food
- includes all catabolic and anabolic
reactions

Question 7

define reproduction

Answer 7

life creates life

Question 8

define development

Answer 8

passing through a life cycle, experience unique characteristics/ stages of life cycle

Question 9

environmental interaction is also called

Answer 9

ecology

Question 10

define ecology

Answer 10

how organisms interact with environment and respond to stimuli

Question 11

_______ move within a cell

Answer 11

enzymes

Question 12

genetic material _______ during cell division

Answer 12

moves

Question 13

white blood cells move towards ________

Answer 13

infection

Question 14

skeletal muscle moves the _________

Answer 14

body

Question 15

true or false
science never proves, it supports or does not support, or refutes

Answer 15

true

Question 16

_______ is a way of asking questions and obtaining answers about the natural world

Answer 16

science

Question 17

science is guided by _________, and must be explained by _________

Answer 17

natural law
chemical and physical laws that govern existence

Question 18

a statement that implies prediction

Answer 18

a hypothesis

Question 19

hypotheses usually follow the writing form:

Answer 19

If _______, then ________

Question 20

how to do the scientific method

Answer 20

1. observation
2. question
3. hypothesis
4. test/experiment
5. conclusion (does or does not support hypothesis)
6. publish results
7. hypothesis elevated to theory if continued retested produces same results