Question 1

In the nucleotide sequence ACTGG,what does C stand for?

Accepted Answer

A) cysteine 
B) cytotoxic 
C) cytosine 
D) chargaff 
E) cytoplasm 
A) cysteine 
B) cytotoxic 
C) cytosine 
D) chargaff 
E) cytoplasm C

Question 2

DNA was first described by _____ in 1869.

Accepted Answer

A) Johannes Miescher 
B) Frederick Griffith 
C) Oswald Avery and Macly McCarty 
D) Alfred Hershey and Martha Chase 
E) Maurice Wilkins 
A) Johannes Miescher 
B) Frederick Griffith 
C) Oswald Avery and Macly McCarty 
D) Alfred Hershey and Martha Chase 
E) Maurice Wilkins A

Question 3

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 B

Question 4

In DNA molecules,_____.

Accepted Answer

A) the nucleotides are arranged in a linear, unbranched pattern 
B) the nitrogenous bases are found on the outside of the molecule 
C) the phosphate-sugar pattern runs the same way on each DNA strand 
D) the backbone is internal to the molecule 
E) the pairing of bases is non-specific 
A) the nucleotides are arranged in a linear, unbranched pattern 
B) the nitrogenous bases are found on the outside of the molecule 
C) the phosphate-sugar pattern runs the same way on each DNA strand 
D) the backbone is internal to the molecule 
E) the pairing of bases is non-specific

Question 5

Answer the following questions by matching each term with the most appropriate description.
-do not exist in all species

Accepted Answer

A) Autosome 
B) Centromere 
C) Chromosome 
D) Chromosome number 
E) Diploid
F)Sex chromosomes
G)Sister chromatids 
A) Autosome 
B) Centromere 
C) Chromosome 
D) Chromosome number 
E) Diploid
F)Sex chromosomes
G)Sister chromatids

Question 6

What is the basic problem with cloning adult animals?

Accepted Answer

A) obtaining enough DNA 
B) finding proper surrogates to carry the cloned embryos 
C) reprogramming the DNA 
D) obtaining DNA without mutations 
E) autoimmune rejection of the embryo by the surrogate 
A) obtaining enough DNA 
B) finding proper surrogates to carry the cloned embryos 
C) reprogramming the DNA 
D) obtaining DNA without mutations 
E) autoimmune rejection of the embryo by the surrogate

Question 7

Short,single strands of nucleotides that serve as attachment points for DNA polymerase are called _____.

Accepted Answer

A) primers 
B) polymerases 
C) ligases 
D) mutations 
E) diploids 
A) primers 
B) polymerases 
C) ligases 
D) mutations 
E) diploids

Question 8

Butterflies Butterflies are diploid organisms.In these animals,the sex of an individual is determined by Z and W chromosomes.Use this information to answer the following question.Which chromosomes are carried by a normal male butterfly?

Accepted Answer

A) ZO 
B) ZW 
C) WW 
D) WO 
E) ZWW 
A) ZO 
B) ZW 
C) WW 
D) WO 
E) ZWW

Question 9

In the final stage of SCNT,a(n)  _____ is used to cause the foreign cell to fuse with,and empty its contents into,the cytoplasm of the egg.

Accepted Answer

A) fine point needle 
B) virus 
C) micropipette 
D) electric current 
E) calcium phosphate 
A) fine point needle 
B) virus 
C) micropipette 
D) electric current 
E) calcium phosphate

Question 10

The characteristic "X" shape of chromosomes is _____.

Accepted Answer

A) only evident during cell division 
B) due to the wrapping of DNA around histones 
C) a result of maximum compaction of the chromosome 
D) only found in the female sex chromosome 
E) indicative of a cell that is no longer dividing 
A) only evident during cell division 
B) due to the wrapping of DNA around histones 
C) a result of maximum compaction of the chromosome 
D) only found in the female sex chromosome 
E) indicative of a cell that is no longer dividing

Question 11

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 12

Order the steps of somatic cell nuclear transfer.
-Step 2

Accepted Answer

A) A skin cell harvested from a donor animal is injected into a region between the cytoplasm and the plasma membrane. 
B) Electric current causes foreign cell to fuse with and empty its nucleus into the cytoplasm of the egg. 
C) DNA from egg is suctioned out using a micropipette 
D) Embryo forms 
A) A skin cell harvested from a donor animal is injected into a region between the cytoplasm and the plasma membrane. 
B) Electric current causes foreign cell to fuse with and empty its nucleus into the cytoplasm of the egg. 
C) DNA from egg is suctioned out using a micropipette 
D) Embryo forms

Question 13

Answer the following questions by matching each term with the most appropriate description.
-the short-hand for this term is "2n"

Accepted Answer

A) Autosome 
B) Centromere 
C) Chromosome 
D) Chromosome number 
E) Diploid
F)Sex chromosomes
G)Sister chromatids 
A) Autosome 
B) Centromere 
C) Chromosome 
D) Chromosome number 
E) Diploid
F)Sex chromosomes
G)Sister chromatids

Question 14

How many chromosomes are present in human somatic cells?

Accepted Answer

A) 22 
B) 23 
C) 44 
D) 46 
E) 48 
A) 22 
B) 23 
C) 44 
D) 46 
E) 48

Question 15

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once.
-used x-ray diffraction technology to determine that phosphate groups are located on the outside of the DNA molecule,and bases on the inside

Accepted Answer

A) Chargaff 
B) Franklin 
C) Watson and Crick 
D) Wilkins 
E) Hershey and Chase
F)Miescher 
A) Chargaff 
B) Franklin 
C) Watson and Crick 
D) Wilkins 
E) Hershey and Chase
F)Miescher

Question 16

The connection point of two sister chromatids is called the _____.

Accepted Answer

A) chromatid 
B) chromatin 
C) centriole 
D) centrosome 
E) centromere 
A) chromatid 
B) chromatin 
C) centriole 
D) centrosome 
E) centromere

Question 17

In a given strand of DNA,complementary bases are connected to each other by _____.

Accepted Answer

A) ionic bonds 
B) polar covalent bonds 
C) hydrogen bonds 
D) peptide bonds 
E) nonpolar covalent bonds 
A) ionic bonds 
B) polar covalent bonds 
C) hydrogen bonds 
D) peptide bonds 
E) nonpolar covalent bonds

Question 18

Before a cell divides,it must ____ its genetic information.

Accepted Answer

A) duplicate 
B) translate 
C) isolate 
D) protect 
E) distribute 
A) duplicate 
B) translate 
C) isolate 
D) protect 
E) distribute

Question 19

A eukaryotic chromosome consists of _____.

Accepted Answer

A) DNA and lipids 
B) RNA and proteins 
C) DNA and proteins 
D) DNA and carbohydrates 
E) just DNA 
A) DNA and lipids 
B) RNA and proteins 
C) DNA and proteins 
D) DNA and carbohydrates 
E) just DNA

Question 20

After DNA replication,each chromosome contains two sister _____.

Accepted Answer

A) chromatids 
B) chromatins 
C) chromosomes 
D) centromeres 
E) centrioles 
A) chromatids 
B) chromatins 
C) chromosomes 
D) centromeres 
E) centrioles

In the nucleotide sequence ACTGG,what does C stand for?

DNA was first described by _____ in 1869.

Which male organism contains two identical sex chromosomes?

In DNA molecules,_____.

Answer the following questions by matching each term with the most appropriate description. -do not exist in all species

What is the basic problem with cloning adult animals?

Short,single strands of nucleotides that serve as attachment points for DNA polymerase are called _____.

Butterflies Butterflies are diploid organisms.In these animals,the sex of an individual is determined by Z and W chromosomes.Use this information to answer the following question.Which chromosomes are carried by a normal male butterfly?

In the final stage of SCNT,a(n) _____ is used to cause the foreign cell to fuse with,and empty its contents into,the cytoplasm of the egg.

The characteristic "X" shape of chromosomes is _____.

Which base pairs with adenine in a DNA molecule?

Order the steps of somatic cell nuclear transfer. -Step 2

Answer the following questions by matching each term with the most appropriate description. -the short-hand for this term is "2n"

How many chromosomes are present in human somatic cells?

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once. -used x-ray diffraction technology to determine that phosphate groups are located on the outside of the DNA molecule,and bases on the inside

The connection point of two sister chromatids is called the _____.

In a given strand of DNA,complementary bases are connected to each other by _____.

Before a cell divides,it must ____ its genetic information.

A eukaryotic chromosome consists of _____.

After DNA replication,each chromosome contains two sister _____.

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

Filters

Exam 6: DNA Structure And Function

In the nucleotide sequence ACTGG,what does C stand for?

DNA was first described by _____ in 1869.

Which male organism contains two identical sex chromosomes?

In DNA molecules,_____.

Answer the following questions by matching each term with the most appropriate description. -do not exist in all species

What is the basic problem with cloning adult animals?

Short,single strands of nucleotides that serve as attachment points for DNA polymerase are called _____.

Butterflies Butterflies are diploid organisms.In these animals,the sex of an individual is determined by Z and W chromosomes.Use this information to answer the following question.Which chromosomes are carried by a normal male butterfly?

In the final stage of SCNT,a(n) _____ is used to cause the foreign cell to fuse with,and empty its contents into,the cytoplasm of the egg.

The characteristic "X" shape of chromosomes is _____.

Which base pairs with adenine in a DNA molecule?

Order the steps of somatic cell nuclear transfer. -Step 2

Answer the following questions by matching each term with the most appropriate description. -the short-hand for this term is "2n"

How many chromosomes are present in human somatic cells?

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once. -used x-ray diffraction technology to determine that phosphate groups are located on the outside of the DNA molecule,and bases on the inside

The connection point of two sister chromatids is called the _____.

In a given strand of DNA,complementary bases are connected to each other by _____.

Before a cell divides,it must ____ its genetic information.

A eukaryotic chromosome consists of _____.

After DNA replication,each chromosome contains two sister _____.

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

Filters