Posted: December 20th, 2021

tRNAs are required to translate the DNA template sequence

QUESTION 31
1.
___
tRNAs are required to translate the DNA template sequence GCTAGTCTGTGG into
amino acids.

2

3

4

12

24

1.9 points
QUESTION 32
1.
Hominins
that lived 2-4 million years ago that were eventually replaced by Homo species
are members of the genus

Orrorin

Ardpithecus

Neanderthals

Pan

Australopithecus

1.9 points
QUESTION 33
1.
Identify
the structure labeled “3”

chromatin

nucleosome

proteosome

gene

histone

1.9 points
QUESTION 34
1.
The
sequence of base pairs composing the DNA of different organisms has been
analyzed to infer the evolutionary relationship among these organisms.
This process would be part of the science involving

comparative anatomy

comparative
biochemistry

developmental
biology

comparative
embryology

fossil evidence

1.9 points
QUESTION 35
1.
The
figure below depicts the process of DNA replication. The end of the strand
labeled “6” is the ____ end.

3′

5′

1.9 points
QUESTION 36
1. Since there is more
genetic variation between different racial
groups than within a specific racial
group, most geneticists support the idea of classifying our species into
discrete and separate racial groups.
True
False
1.9 points
QUESTION 37
1.
“Lucy,”
a 3.2 million-year-old skeleton is categorized as Australopithecus
afarensis. Members of this genus exhibit which of the following
characteristics?

bipedal

7-8 feet tall

lived approximately
4-6 million years ago

large brain, typically
with a cranial capacity over 500 cubic centimeters

3.2 points
QUESTION 38
1.
In
the evolutionary history of the earth, Homo sapiens probably
appeared approximately _______ years ago.

2,000

200,000

1 million

5 million

2.5 million

1.9 points
QUESTION 39
1.
In
DNA replication,

an entirely new
double helix is built using information in the sequence of amino acids

parental DNA
shatters into pieces, and joins with newly-synthesized pieces to fashion two
double helices from one

parental DNA
remains intact but guides formation of new double helices

DNA taken into the
body in the diet enters cells and joins the DNA

the parental DNA
splits and free nucleotides bond to their complements, building two DNA
molecules from one

1.9 points
QUESTION 40
1.
During
DNA replication, which enzyme is responsible for unwinding the parent DNA
strand?

primase

helicase

ligase

polymerase

ribase

1.9 points
QUESTION 41
1.
The
figure below depicts the process of DNA replication. Identify the structure
labeled “4”

leading strand

primer

Okakazaki fragment

helicase

nucleosome

1.9 points
QUESTION 42
1.
During
transcription

RNA is synthesized
from DNA

DNA is replicated

RNA is synthesized
from protein

protein is
synthesized from amino acids

1.9 points
QUESTION 43
1.
Based
on the following information about the hemoglobin protein (a protein in red
blood cells that binds and transports oxygen), which animal is most closely
related to humans?

frog

dog

chicken

lamprey

1.9 points
QUESTION 44
1.
DNA
polymerase adds nucleotides in the _________ direction.

3′ to 5′

5′ to 3′

1.9 points
QUESTION 45
1.
Which
organism is most closely related to organism D ?

A

C

F

H

J

1.9 points
QUESTION 46
1.
All
of the following are trends in the evolution of Primates EXCEPT

brain enlargement

expansion of
tool-making capacity

complex social
structure

progressively
shorter periods of infant development

1.9 points
QUESTION 47
1.
A
major difference between a chimpanzee skeleton and a human skeleton is that the
chimpanzee

has a longer and
more narrow pelvis

has knee joints
that lock straight

has a leg bone and
hip arrangement that forces the knees to be close together when walking

has a spinal cord
that comes out of the base of the skull and points straight downward

3.9 points
QUESTION 48
1.
Which
of the following types of structures is NOT likely to be preserved as a fossil?

shell

bone

heart

seed

teeth

1.9 points
QUESTION 49
1.
Which
organism is most closely related to organism B?

C

D

G

F

E

1.9 points
QUESTION 50
1.
Who
proposed a theory of evolution based on the idea that some heritable variations
bestow competitive benefits that allow organism to better compete for
resources?

Jean-Baptiste
Lamarck

Gregor Mendel

Reginald Punnett

Francis Crick

Charles Darwin

1.9 points
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