Free Printable BIO 156 Exam 4 review

1.

What do genes code for?

a)

Lipids

b)

Carbohydrates

c)

Nucleic acids

d)

Proteins

2.

A chain of amino acids is called a

a)

polypeptide

b)

polysaccharide

c)

gene

d)

monomer

3.

What are proteins made out of?

a)

ketones

b)

nucleotides

c)

monosaccharides

d)

amino acids

4.

What organelle is needed for translation to occur?

a)

Mitochondria

b)

Golgi apparatus

c)

Endoplasmic reticulum

d)

Ribosomes

5.

Which of the following is removed during post-transcriptional processing?

a)

Exons

b)

Introns

c)

5’ cap

d)

Poly-A tail

6.

Which sequence of DNA bases would pair with this partial strand

ATG TGA CAG

a)

ATG TGA CAG

b)

TAC ACT GTC

c)

GTA AGT GAC

d)

CAT TCA CTG

7.

Codons can only encode for 1 amino acid, but 1 amino acid can be encoded by multiple codons

a)

True

b)

False

8.

Select the complementary mRNA strand for the following DNA segment:

3' -- C T G A A C G -- 5'

a)

3' -- G A C T T G C -- 5'

b)

5' -- G A C U U G C -- 3'

c)

3' -- G A C T T G C -- 3'

d)

5' -- G A C T T G C -- 3'

9.

The amino acid sequence of a protein is determined by:

a)

It shape

b)

Its secondary structure

c)

The DNA sequence

d)

The carbohydrates

10.

Proteins are created using Translation by mRNA

a)

True

b)

False

11.

What happens during translation?

a)

DNA is replicated Cell division

b)

A protein is made from mRNA

c)

mRNA is made from DNA

12.

Where does transcription occur?

a)

In the ribosomes

b)

In the nucleus

c)

In the mitochondria

d)

In the cytoplasm

13.

Which type of molecule carries genetic information from the nucleus to the cytoplasm?

a)

mRNA

b)

rRNA

c)

tRNA

d)

DNA

14.

What does the “T” in tRNA stand for?

a)

transfer

b)

translation

c)

transcription

d)

transmutation

15.

A polypeptide chain is associated with which level of protein structure?

a)

tertiary

b)

quaternary

c)

secondary

d)

primary

16.

Study of genes and their function.

a)

Forensics

b)

Bioinformatics

c)

Genomics

d)

Human Genome Project

17.

the study of all of an organism's proteins, including its identity, structure, interaction, and abundance

a)

proteomics

b)

bioethics

c)

bioinformatics

d)

Human Genome Project

18.

What makes up a secondary structure? select all that apply

a)

Pleated Beta Sheets

b)

Double Helix

c)

RNA

d)

Alpha Helices

19.

Protein shape determines its function

a)

True

b)

False

20.

Proteins do not change shape to perform their functions

a)

True

b)

False

21.

Which level of protein structure does not occur in some proteins?

a)

secondary

b)

primary

c)

tertiary

d)

quaternary

22.

An alpha helix and a beta pleated sheet are both associated with which level of protein structure?

a)

Quaternary structure

b)

Primary structure

c)

Tertiary structure

d)

Secondary structure

23.

Which of the following is NOT true of linked genes?

a)

They tend to be inherited together

b)

They are on the same chromosome

c)

They are identical to each other

24.

Monosomy and trisomy occur due to ___________ occurring during _________.

a)

Nondisjunction; meiosis

b)

Nondisjunction; mitosis

c)

Independent assortment; meiosis

d)

Genetic recombination; mitosis

25.

Homozygous dominant, heterozygous, and homozygous recessive are terms associated with an organism’s ___.

a)

Phenotype

b)

Chromosome

c)

Genotype

d)

Genome

26.

Which of the following is true about Gregor Mendel?

a)

He studied meiosis in mice

b)

He studied heredity in pea plants

c)

He studied mitosis in humans

d)

He studied DNA replication in bacteria

27.

A genetic disease that affects males more than females is most likely located on which chromosome?

a)

the X chromosome

b)

the Y chromosome

28.

Which of the following combinations of sex chromosomes will not develop at all?

a)

XO

b)

OY

c)

XXX

d)

XXY

29.

Beneficial mutations allow for evolution to occur.

a)

True

b)

False

30.

All mutations have negative consequences

a)

True

b)

False

31.

There are three alleles for blood type: A, B, and O. The "A" allele and the "B" allele are codominant and the "O" allele is recessive to both the "A" allele and the "B" allele. A woman with type O blood has a baby with a man with type AB blood. It is possible for the baby to have which of the following blood types? ( Mark all those apply)

a)

A

b)

B

c)

AB

d)

O

32.

Colorblindness is caused by a recessive, X-linked allele. A woman who is a carrier for colorblindness has a baby with a man who is colorblind.

If they have a son, what is the probability that their son will be colorblind?

a)

25%

b)

50%

c)

75%

d)

100%

33.

Colorblindness is caused by a recessive, X-linked allele. A woman who is a carrier for colorblindness has a baby with a man who is colorblind.

If they have a daughter, what is the probability that their daughter will be colorblind?

a)

25%

b)

50%

c)

75%

d)

100%

34.

The trait for flower color exhibits incomplete dominance. The dominant allele codes for red flowers and the recessive allele codes for white flowers. A plant with pink flowers is bred with another plant with pink flowers.

What is the probability that the offspring plants will have red flowers?

a)

25%

b)

50%

c)

75%

d)

100%

35.

The trait for flower color exhibits incomplete dominance. The dominant allele codes for red flowers and the recessive allele codes for white flowers. A plant with pink flowers is bred with another plant with pink flowers.

What is the probability that the offspring plants will have pink flowers?

a)

25%

b)

50%

c)

75%

d)

100%

36.

The trait for flower color exhibits incomplete dominance. The dominant allele codes for red flowers and the recessive allele codes for white flowers. A plant with pink flowers is bred with another plant with pink flowers.

What is the probability that the offspring plants will have white flowers?

a)

25%

b)

50%

c)

75%

d)

100%

37.

Cystic fibrosis is a genetic disorder caused by an autosomal recessive allele. A woman who is heterozygous for the trait has a baby with a man who is also heterozygous for the trait. What is the probability that the baby will have cystic fibrosis?

a)

25%

b)

50%

c)

75%

d)

100%

38.

A woman who is homozygous dominant for a trait has a baby with a man who is heterozygous for the same trait.

What is the probability that the baby will be homozygous dominant?

a)

25%

b)

50%

c)

75%

d)

100%

39.

A woman who is homozygous dominant for a trait has a baby with a man who is heterozygous for the same trait.

What is the probability that the baby will be heterozygous?

a)

25%

b)

50%

c)

75%

d)

100%

40.

A woman who is homozygous dominant for a trait has a baby with a man who is heterozygous for the same trait.

What is the probability that the baby will be homozygous recessive?

a)

0%

b)

50%

c)

75%

d)

100%

41.

Which mRNA sequence would be formed from this partial DNA sequence?

ATG TGA CAG

a)

ATG TGA CAG

b)

UAC ACU GUC

c)

GTA AGU GAC

d)

CAT UCA CTG

42.

If the mRNA sequence that forms codons is UAC ACU GUC

what would be the sequence for the corresponding tRNA anticodons?

a)

TAC AGU GAC

b)

UUU AAC GCU

c)

AUG UGA CAG

d)

CAT UCA CTG

43.

When does “crossing over” (genetic recombination) occur?

a)

Prophase II of meiosis

b)

Prophase I of mitosis

c)

Prophase I of meiosis

d)

Prophase II of mitosis

44.

DNA replication occurs during interkinesis of the meiosis.

a)

True

b)

False

45.

Which of the following increase genetic diversity during meiosis?

a)

Independent assortment

b)

Crossing over

c)

Independent assortment and crossing over

d)

Crossing over and synapsis

46.

When does DNA replication occur during the cell cycle?

a)

Interphase

b)

Cytokinesis

c)

Metaphase

d)

Prophase

47.

Which structures make up the mitotic spindle?

a)

The nucleus, endoplasmic reticulum, and Golgi apparatus

b)

Centrioles and microtubules

c)

The nucleus and ribosomes

d)

Ribosomes and microtubules

48.

Where does DNA replication occur?

a)

In the nucleus

b)

In the ribosomes

c)

In the endoplasmic reticulum

d)

In the mitochondria

49.

Humans have how many pairs of chromosomes?

a)

23

b)

92

c)

46

d)

12

50.

Paired chromosomes, in which one chromosome comes from the mother and one chromosome comes from the father, are known as what?

a)

Sister chromatids

b)

Daughter chromatids

c)

Daughter cells

d)

Homologous chromosomes

51.

What phase of mitosis is occurring when the chromosomes line up along the middle of the cell?

a)

telophase

b)

prophase

c)

metaphase

d)

anaphase

52.

The process of separating the cytoplasm during cell division is known as ___.

a)

Anaphase

b)

Mitosis

c)

Cytokinesis

d)

Glycolysis

53.

For every stem cell that goes through spermatogenesis, how many viable sperm are produced?

a)

four

b)

one

c)

three

d)

two

54.

Which structures separate during mitosis?

a)

homologous chromosomes

b)

sister chromatids

55.

Which structures separate during meiosis I ?

a)

homologous chromosomes

b)

sister chromatids

56.

For every stem cell that goes through oogenesis, how many viable eggs are produced?

a)

four

b)

one

c)

three

d)

two

57.

Which structures separate during meiosis II ?

a)

homologous chromosomes

b)

sister chromatids

58.

If drosophila cells have 7 pairs of chromosomes, how many chromosomes would each cell have after mitosis?

a)

7

b)

14

c)

28

d)

30

59.

If drosophila cells have 7 pairs of chromosomes, how many chromosomes would each drosophila egg have after meiosis?

a)

7

b)

14

c)

28

d)

30

60.

How many pairs of autosomes (not counting the sex chromosomes) do human cells have?

a)

22

b)

23

c)

46

d)

92

BIO 156 Exam 4 review

Total questions: 60

Worksheet time: 32mins

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