Question 1

Match between columns
                        Premises: location of highly constricted DNA only present when cells are dividing

Accepted Answer

The Answer of Autosome and Chromosome and Centromere and Sister is...

Question 2

Body cells of human males contain _____.

Accepted Answer

A) one X chromosome 
B) two X chromosomes 
C) one Y chromosomes 
D) two Y chromosomes 
E) one X and one Y chromosome 
A) one X chromosome 
B) two X chromosomes 
C) one Y chromosomes 
D) two Y chromosomes 
E) one X and one Y chromosome

Question 3

The majority of DNA in a cell that has undergone differentiation is _____.

Accepted Answer

A) transcribed 
B) translated 
C) turned off 
D) mutated 
E) hydrolyzed 
A) transcribed 
B) translated 
C) turned off 
D) mutated 
E) hydrolyzed

Question 4

Match between columns
                        Premises: along with Watson and Crick, received the Nobel Prize for his contribution to the discovery of DNA's structure

Accepted Answer

The Answer of Watson and Crick and Wilkins and Chargaff is...

Question 5

Which male organism contains two identical sex chromosomes?

Accepted Answer

A) turtles 
B) birds 
C) chimpanzees 
D) dogs 
E) lizards 
A) turtles 
B) birds 
C) chimpanzees 
D) dogs 
E) lizards

Question 6

In animal cells, ____ is/are usually a one-way path.

Accepted Answer

A) replication 
B) translation 
C) transcription 
D) differentiation 
E) replication and translation 
A) replication 
B) translation 
C) transcription 
D) differentiation 
E) replication and translation

Question 7

Match between columns
                        Premises: Process by which a cell duplicates its DNA before it divides.

Accepted Answer

The Answer of Replication and Hybridization and Somatic cell nuclear is...

Question 8

Rosalind Franklin's research contribution was essential in _____.

Accepted Answer

A) establishing the single-stranded nature of DNA 
B) establishing the principle of base pairing 
C) establishing most of the principal structural features of DNA 
D) sequencing DNA molecules 
E) determining the bonding energy of DNA molecules 
A) establishing the single-stranded nature of DNA 
B) establishing the principle of base pairing 
C) establishing most of the principal structural features of DNA 
D) sequencing DNA molecules 
E) determining the bonding energy of DNA molecules

Question 9

Match between columns
                        Premises: built the first precise model of DNA that implied its method of replication

Accepted Answer

The Answer of Watson and Crick and Miescher and Franklin is...

Question 10

In order to visualize the DNA for a karyotype _____.

Accepted Answer

A) DNA is treated with enzymes to open the compacted chromatin structure 
B) DNA is treated with proteases to open the compacted chromatin structure 
C) DNA is stained to visualize the DNA. 
D) DNA is treated with enzymes to compact the chromatin structure 
E) DNA is treated with proteases to compact the chromatin structure 
A) DNA is treated with enzymes to open the compacted chromatin structure 
B) DNA is treated with proteases to open the compacted chromatin structure 
C) DNA is stained to visualize the DNA. 
D) DNA is treated with enzymes to compact the chromatin structure 
E) DNA is treated with proteases to compact the chromatin structure

Question 11

The image of an individual's complement of chromosomes arranged by size, length, shape, and centromere location is called a(n)_____.

Accepted Answer

A) autotype 
B) genotype 
C) phenotype 
D) karyotype 
E) double helix 
A) autotype 
B) genotype 
C) phenotype 
D) karyotype 
E) double helix

Question 12

Which base pairs with adenine in a DNA molecule?

Accepted Answer

A) adenosine 
B) cytosine 
C) ​​ thymine 
D) guanine 
E) uracil 
A) adenosine 
B) cytosine 
C) ​​ thymine 
D) guanine 
E) uracil

Question 13

Chemicals in tobacco smoke can cause _____.

Accepted Answer

A) DNA to break into pieces. 
B) mispairing of bases. 
C) kinking in the DNA molecule. 
D) the formation of nucleotide dimers. 
E) covalent bonding between adjacent adenine bases. 
A) DNA to break into pieces. 
B) mispairing of bases. 
C) kinking in the DNA molecule. 
D) the formation of nucleotide dimers. 
E) covalent bonding between adjacent adenine bases.

Question 14

How many times does DNA wrap around a histone?

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 6 
E) 10 
A) 1 
B) 2 
C) 4 
D) 6 
E) 10

Question 15

DNA replication is a ____ process.

Accepted Answer

A) non complementary 
B) semiconservative 
C) semisynthetic 
D) mutational 
E) denaturation 
A) non complementary 
B) semiconservative 
C) semisynthetic 
D) mutational 
E) denaturation

Question 16

Which technique did Rosalind Franklin use to determine many of the physical characteristics of DNA?

Accepted Answer

A) scanning electron microscopy 
B) transmission electron microscopy 
C) recombinant DNA techniques 
D) x-ray crystallography 
E) DNA profiling 
A) scanning electron microscopy 
B) transmission electron microscopy 
C) recombinant DNA techniques 
D) x-ray crystallography 
E) DNA profiling

Question 17

A somatic cell is defined as a(n)_____.

Accepted Answer

A) blastocyst 
B) egg 
C) body cell 
D) cloned cell 
E) sperm  cell 
A) blastocyst 
B) egg 
C) body cell 
D) cloned cell 
E) sperm  cell

Question 18

Which of the following female organisms contain two different sex chromosomes?

Accepted Answer

A) humans 
B) fruit flies 
C) cows 
D) butterflies 
E) cats 
A) humans 
B) fruit flies 
C) cows 
D) butterflies 
E) cats

Question 19

How does x-ray crystallography provide details about molecular structure?

Accepted Answer

A) Only DNA molecules scatter x-rays; therefore, this helped to prove that DNA was the genetic material in cells. 
B) X-rays are reflected by some atoms and absorbed by others; thereby giving clues to molecule structure. 
C) X-rays are scattered by atoms in a specific pattern, from which molecular size, shape, and spacing of repeating elements can be calculated. 
D) This technique captures photographs of magnified molecules. 
E) X-rays can be used to isolate DNA molecules from living organisms. 
A) Only DNA molecules scatter x-rays; therefore, this helped to prove that DNA was the genetic material in cells. 
B) X-rays are reflected by some atoms and absorbed by others; thereby giving clues to molecule structure. 
C) X-rays are scattered by atoms in a specific pattern, from which molecular size, shape, and spacing of repeating elements can be calculated. 
D) This technique captures photographs of magnified molecules. 
E) X-rays can be used to isolate DNA molecules from living organisms.

Question 20

Match between columns
                        Premises: two DNA molecules that comprise a chromosome after DNA replication

Accepted Answer

The Answer of Sister chromatids and Autosome and Chromosome number is...

Exam 6: Dna Structure and Function

Body cells of human males contain _____.

The majority of DNA in a cell that has undergone differentiation is _____.

Which male organism contains two identical sex chromosomes?

In animal cells, ____ is/are usually a one-way path.

Rosalind Franklin's research contribution was essential in _____.

In order to visualize the DNA for a karyotype _____.

The image of an individual's complement of chromosomes arranged by size, length, shape, and centromere location is called a(n)_____.

Which base pairs with adenine in a DNA molecule?

Chemicals in tobacco smoke can cause _____.

How many times does DNA wrap around a histone?

DNA replication is a ____ process.

Which technique did Rosalind Franklin use to determine many of the physical characteristics of DNA?

A somatic cell is defined as a(n)_____.

Which of the following female organisms contain two different sex chromosomes?

How does x-ray crystallography provide details about molecular structure?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters