BIO EXAM 1 FLASHCARDS

Question 1

A student’s t-test is a means’ test. T or F?

Answer 1

true

Question 2

ANOVA tests are used to compare the ___ of two populations.

Answer 2

variances

Question 2

A standard normal curve represents a family of curves described by parametric statistics and is studied using integral calculus. T or F?

Answer 2

true

Question 2

A paradigm was once a paradox. T or F?

Answer 2

true

Question 3

Sample size is the most important aspect to any experiment. T or F?

Answer 3

false

Question 3

A Chi-Square test is an example of a ___ test, where each datum is squared to generate a normally distributed data set.

Answer 3

non-parametric

Question 3

Regression tests permit the measurement of the correlation of two data sets. T or F?

Answer 3

true

Question 3

A random sample usually provides bias results. T or F?

Answer 3

false

Question 6

The ‘standard error of the mean’ is usually decreased by enlarging the sample size. T or F?

Answer 6

true

Question 7

A mean is an average usually appended by statement of variance. T or F?

Answer 7

true

Question 8

The most common statement of variance is the standard deviation of the mean. T or F?

Answer 8

true

Question 9

The outcomes of both Biosphere I and Biosphere II were successful. T or F?

Answer 9

false

Question 10

The Gaia Hypothesis was authored by James Lovelock. T or F?

Answer 10

true

Question 11

A hypothesis must only be testable. T or F?

Answer 11

false

Question 12

The chain of custody is an essential part of any evidence. T or F?

Answer 12

true

Question 13

The placebo effect is the bane of most controlled drug experiment in humans. T or F?

Answer 13

true

Question 14

The typical level of statistical confidence is a percent. In field experiments, 70% is considered good; however, in laboratory experiments the level is generally set at ___ %.

Answer 14

either 95% or 99%

Question 15

logic regarding viewing wholes within wholes:

Answer 15

holism

Question 16

a complex problem usually stated as a question:

Answer 16

conundrum

Question 17

process of refereeing papers for publication:

Answer 17

peer review

Question 18

reasoning from a part to a whole:

Answer 18

deductive

Question 19

using Occam’s Razor and selecting the most obvious response:

Answer 19

parsimony

Question 20

A secondary structure of a polypeptide resembling a spiral is a:

Answer 20

helix

Question 21

Globular proteins have sites for attachment for specific molecules including: A. cofactors, B. inhibitors, C. vitamins, D. metals, E. all of the above

Answer 21

e.) all of the above

Question 22

Diamonds contain millions of _____-bonded carbon atoms.

Answer 22

covalent

Question 23

Atomic hypothesis with electrons as particulate matter is the:

Answer 23

planetary model

Question 24

Atomic hypothesis with electrons as energetic fields is the:

Answer 24

orbital model

Question 25

Fibrous proteins which are contractile include:

Answer 25

actin and myosin

Question 26

The pulse is an example of a:

Answer 26

vital sign

Question 27

Acronym for the major elements of life is:

Answer 27

C HOPKINS CAFÉ MG NACL

Question 28

The study of change in populations is:

Answer 28

evolution

Question 29

An expression in physics that relates to the use of energy and measured in ergs is:

Answer 29

work and force

Question 30

Three base unit of DNA that codes for an amino acid in a polypeptide is:

Answer 30

triplet

Question 31

The negative logarithm of the hydrogen ion concentration is the: A. pH, B. exponent, C. measurement of alkalinity, D. all of the above, E. none of the above

Answer 31

d.) all of the above

Question 32

This theory collects bacterial cells into nucleated cell functional units.

Answer 32

endosymbiosis

Question 33

One of two atoms with differing numbers of neutrons is:

Answer 33

isotopes

Question 34

One of two atoms with differing numbers of electrons is:

Answer 34

electrolytes

Question 35

One of two atoms with differing numbers of protons is:

Answer 35

elements

Question 36

the product of serial testing through the scientific method:

Answer 36

theory

Question 37

using the practical approach and usually linear logic:

Answer 37

pragamtism

Question 38

using scientific procedures to serve a bias:

Answer 38

pseudoscience

Question 39

literally ‘accepting’ a hypothesis in statistical jargon:

Answer 39

fail to reject

Question 40

an ‘educated guess’ to be tested in a scientific experiment Multiple choice:

Answer 40

hypothesis

Question 41

Cellular membranes are dynamic biphospholipoidal sandwiches according to:

Answer 41

fluid mosaic model

Question 42

The molecule Bisphenol A (BPA) is known as a plastic hardener, but its biological significance is: A. as an endocrine disruptor, B. as a mimic of estrogen, C. a potential to damage the normal sexual development of humans, D. a cause for obesity, E. all of the above.

Answer 42

e.) all of he above

Question 43

The nucleotide most used for energy in our cells is:

Answer 43

ATP

Question 44

The molecule Bisphenol A (BPA) is known as a plastic hardener, but its biological significance is: A. as an endocrine disruptor, B. as a mimic of estrogen, C. a potential to damage the normal sexual development of humans, D. a cause for obesity, E. all of the above.

Answer 44

e.) all of the above

Question 45

Phytoestrogens are growth hormones in plants; however their impact on humans includes: A. endocrine disruption, B. mimicking human estrogen, C. potentially damaging the normal sexual development, D. causing obesity, E. all of the above.

Answer 45

e.) all of the above

Question 46

Biocides, e.g., 2-4D, are endocrine disruptors. T or F?

Answer 46

true

Question 47

A secondary structure of a polypeptide resembling an accordion is:

Answer 47

pleated sheath

Question 48

Large fibrous, rope-like proteins in connective tissue matrices are:

Answer 48

collagen

Question 49

An idea or answer to a proposed scientific question is an:

Answer 49

hypothesis