Exam 1 Comprehension Qs

Question 1

Living cells are composed of (4)

Answer 1

nucleic acids, proteins, carbs, and lipids

Question 2

collection of proteins a cell makes is it’s

Answer 2

proteome, which determines structure and function

Question 3

genes encode ______ that are units within proteins

Answer 3

polypeptides

Question 4

transcription produces

Answer 4

mRNA

Question 5

translation produces

Answer 5

polypeptides

Question 6

Which is NOT constituent of a cell’s proteome?
a. enzyme
b. motor protein
c. receptor in plasma membrane
d. mRNA

Answer 6

d. mRNA

Question 7

Functional product of most genes is
a. DNA
b. mRNA
c. polypeptide
d. none of the above

Answer 7

c. polypeptide

Question 8

Function of genetic code
a. promote transcription
b. specify amnio acids within polypeptide
c. alter DNA sequence
d. none

Answer 8

b. specify amnio acids within polypeptide

Question 9

direct result of transcription is synthesis of
a. DNA
b. RNA
c. polypeptide
d. all of the above

Answer 9

b. RNA

Question 10

genetics is studied at what levels

Answer 10

molecular, cellular, organism, and population

Question 11

genetic variation is from

Answer 11

trait variations and environment

Question 12

_______ cells are diploid and ______ are haploid

Answer 12

somatic, gametes

Question 13

evolution is the genetic change from

Answer 13

one populations generation to next

Question 14

what levels of gene expression can be observed?
a. molecular and cellular
b. organism
c. population
d. all

Answer 14

d. all

Question 15

variation in traits may be attributable to
a. mutations
b. altered chromosome structure
c. variation in chromosome number
d. all

Answer 15

d. all

Question 16

human skin = 46 chrom. human sperm =
a. 23
b. 46
c. 92
d. none correct

Answer 16

a. 23

Question 17

Evolutionary change from nat select results in species with
a. greater complexity
b. less complexity
c. greater reproductive success
d. ability to survive longer

Answer 17

c. greater reproductive success

Question 18

Their results are compared to determine sci principles that apply broadly to other species

Answer 18

model organisms

Question 19

3 parts of genetics

Answer 19

transmission, molecular, population

Question 20

NOT a model organism
a. mouse
b. bacteria
c. yeast
d. squirrel

Answer 20

d. squirrel

Question 21

Focuses on biochem understanding of hereditary material

Answer 21

molecular genetics

Question 22

explores inheritance patters of traits

Answer 22

transmission genetics

Question 23

concerned with genetic variation and its role in evolution

Answer 23

population genetics

Question 24

person studying rate of transcription of a gene works in
a. molecular genetics
b. transmission genetics
c. population genetics
d. none

Answer 24

a. molecular genetics

Question 25

TIPS

Answer 25

Topic Info Prob Solve

Question 26

Sci method involves
a. observations and hypothesis
b. experimentation
c. data analysis and interpretation
d. all

Answer 26

d. all

Question 27

organized representation of chromosomes from a single cell is a

Answer 27

karyotype

Question 28

NOT found in prokaryotes
a. plasma membrane
b. ribosome
c. cell nucleus
d. cytoplasm

Answer 28

c. cell nucleus

Question 29

Karyotype steps
a. treat cells with chemical to start division
b. hypotonic solution to swell
c. dyes that bind to and stain chrom
d. all

Answer 29

d. all