Dr. Nicmus

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   

Click Save and Submit to save and submit. Click Save All Answers to save all answers.

 

Do you need a similar assignment done for you from scratch? Order now!
Use Discount Code "Newclient" for a 15% Discount!