Question 1

Theodosius Dobzhansky and Ernst Mayr drew on ideas from Darwin, Fisher, Wright, Haldane, and others to demonstrate how evolution operates in real populations. These observations led to which evolutionary genetics theory?

Accepted Answer

The answer of Theodosius Dobzhansky and Ernst Mayr drew on...

Question 2

What is the process of synthesizing single-stranded RNA from template DNA?

Accepted Answer

A) replication 
B) transcription 
C) translation 
D) transformation 
E) transduction

Question 3

What are the three major types of RNA and their functions? What would happen to translation if each type of RNA were degraded?

Accepted Answer

The answer of What are the three major types of...

Question 4

You identify a new unicellular organism with multiple chromosomes organized by proteins within the cell's nucleus. Into which of the three domains of life might this organism fit?

Accepted Answer

A) Archaea 
B) Bacteria 
C) Eukarya 
D) Archaea or Bacteria 
E) Archaea or Eukarya

Question 5

Which evolutionary process describes the movement of members of a species from one population to another?

Accepted Answer

A) natural selection 
B) migration 
C) mutation 
D) random genetic drift 
E) population genetics

Question 6

Messenger RNA codons pair with tRNA anticodons at which cell structure?

Accepted Answer

The answer of Messenger RNA codons pair with tRNA anticodons...

Question 7

Both sugar gliders and flying squirrels have evolved characteristics that allow them to glide, despite being geographically separated. Similar traits that have independent origins arise as a result of what phenomenon?

Accepted Answer

The answer of Both sugar gliders and flying squirrels have...

Question 8

What are the three domains of life?

Accepted Answer

The answer of What are the three domains of life?...

Question 9

Modern genetics consists of three major branches. Which of these branches, also known as "transmission genetics," involves the study of the transmission of traits and characteristics in successive generations?

Accepted Answer

A) evolutionary 
B) Mendelian 
C) molecular 
D) population 
E) reproductive

Question 10

DNA replication is called ________ because the newly replicated DNA consists of a parental strand (from the original DNA)and a newly synthesized daughter strand.

Accepted Answer

The answer of DNA replication is called ________ because the...

Question 11

In retroviruses, DNA is synthesized from an RNA template using which enzyme?

Accepted Answer

The answer of In retroviruses, DNA is synthesized from an...

Question 12

What kind of bond is formed between the 5′ phosphate group of one nucleotide and the 3′ hydroxyl (OH)group of the adjacent nucleotide?

Accepted Answer

A) ionic bond 
B) phosphodiester bond 
C) hydrogen bond 
D) disulfide bond 
E) hydroxyl bond

Question 13

Describe what is meant by adaptive and nonadaptive evolution. Which type of evolution might be represented by the differences in the shape of finch beaks on different islands with different food sources, and which type by the presence of both attached and detached earlobes in a given population?

Accepted Answer

The answer of Describe what is meant by adaptive and...

Exam 1: The Molecular Basis of Heredity, Variation, and Evolution