Chapter 1 : Exploring Life (part 2)

Question 1

What level are cells on?

Answer 1

The level at which the properties of life emerge

Question 2

The basic types of cells

Answer 2

Prokaryotes

Eukaryotes

Question 3

Prokaryotic cells

Answer 3

type of cell that lack a membrane enclosed organelles, including the nucleus, and found in the domains Bacteria and Archaea

Question 4

Eukaryotic cells

Answer 4

Type of cells that lack membrane enclosed organelles, includes organelles and a true nucleus that contains DNA

Question 5

Systems biology

Answer 5

Area of biology aimed at constructing models the complex dynamic behavior and interactions of entire biological systems

Question 6

Scientific inquiry

Answer 6

Used to ask and answer questions about nature

Question 7

The 2 main scientific approaches

Answer 7

Discovery science

Hypothesis Based Science

Question 8

Discovery Science

Answer 8

The process of describing nature without any preconceived expectations

Question 9

Discovery science is based on

Answer 9

The practices of observation and inductive reasoning

Question 10

Observation

Answer 10

Consists of receiving knowledge of the world through our senses, or recording information using scientific tools and instruments

Question 11

The types of data

Answer 11

Quantitative

Qualitative

Question 12

Quantitative

Answer 12

Numerical measurements

blood pressure increased under pressure

Question 13

Qualitative

Answer 13

A description of characteristics or occurrences

face flushed with increased blood pressure

Question 14

Observation leads to

Answer 14

Inductive reasoning

Question 15

Inductive Reasoning

Answer 15

To draw general conclusions from many observations

Question 16

Hypothesis Based Science

Answer 16

Is based on the scientific method of inquiry

Question 17

Hypothesis

Answer 17

A tentative explanation a scientist proposes for a specific phenomenon that has been observed

Question 18

Deductive reasoning

Answer 18

Using logic to come up with ways to test a hypothesis based on predictions and expectations

Question 19

Experiment

Answer 19

A test under controlled conditions that is made to demonstrate a known truth, to examine the validity of a hypothesis, or to determine the efficacy of something previously untried

Question 20

Independent variable

Answer 20

The variable that is varied or manipulated by the researcher

Question 21

Dependent variable

Answer 21

The response that is measured

Question 22

Control group

Answer 22

Set of subjects that does not receive any manipulation during experiment

Question 23

Scientific Theory

Answer 23

Broader in scope than a hypothesis
Usually general enough to generate many new, specific hypotheses
Supported by a large and usually growing body of evidence

Question 24

Scientific Law

Answer 24

A statement based on repeated experimental observations that describes some aspect of the universe which always applies under the same
Factual and well-confirmed statements