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BSC1010 Fall 2020 Exam 4

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

What is the way that prokaryotes reproduce?

a)

Mitosis

b)

Meiosis

c)

Binary fission

d)

Spermatogenesis

2.

What is the way that eukaryotes produce gametes?

a)

Mitosis

b)

Meiosis

c)

Binary fission

3.

What is the term for sex cells (sperm, ova)?

a)

Gamete

b)

Zygote

c)

Diploid

d)

Fetus

4.

During mitosis, four identical daughter cells are formed

a)

True

b)

False

5.

During cell signaling, what accurately describes what a ligand is?

a)

Receptor that molecule binds to

b)

Molecule that binds to receptor

c)

Internal cell structure that senses signals

d)

Electrical impulses in nerves

6.

What is the accurate order of a eukaryotic cell cycle?

a)

S, G1, G2, M, C

b)

M, G1, S, G2, C

c)

G1, S, G2, M, C

d)

C, M, G1, G2, S

7.

During what stage of the eukaryotic cell cycle can the cell enter a "resting state" of G0?

a)

G1

b)

S

c)

G2

d)

M

8.

The S phase of the cell cycle is when DNA is replicated in preparation for mitosis

a)

True

b)

False

9.

Cancer is uncontrolled meiosis where the normal cell signals that regulate replication are impaired

a)

True

b)

False

10.

During what phases of the cell cycle are there self assessment checkpoints?

a)

G1

b)

G2

c)

S

d)

M

11.

What are proteins that regulate cell growth called?

a)

Ligands

b)

Amino acids

c)

Estradiol

d)

Cyclins

12.

In mitosis, during what stage does the nuclear envelope break down and chromosomes condense?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

13.

In mitosis, during what stage do chromosomes move to the opposite sides of the cell?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

14.

In mitosis, during what stage do the chromosomes align at the equator of the cell?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

15.

In mitosis, during what stage do the new nuclear envelopes begin to form?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

16.

In mitosis, what stage immediately precedes cytokinesis?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

17.

What is the INCORRECT statement about mitosis?

a)

Produces 2 daughter cells

b)

Daughter cells are identical

c)

Daughter cells are haploid

d)

Produces somatic cells

18.

What is the term for sperm and egg meeting?

a)

Syncopy

b)

Meiosis

c)

Crossing over

d)

Syngamy

19.

There are twice as many divisions in meiosis than mitosis

a)

True

b)

False

20.

In mitosis, daughter cells are identical to each other but not to the parent cell

a)

True

b)

False

21.

What is the term for a given version of a gene?

a)

Locus

b)

Allele

c)

Mutagen

d)

Chromosome

22.

When two gametes fuse they form a...

a)

Fetus

b)

Blasatocyst

c)

Fistula

d)

Zygote

23.

What law states that the alleles of two different genes get sorted into gametes independently from each other?

a)

1st law of inheritance: Segregation

b)

2nd law of inheritance: Independent assortment

c)

3rd law of inheritance: Dominance

24.

What law states two members of an alleles segregate from each other in the formation of gametes?

a)

1st law of inheritance: Segregation

b)

2nd law of inheritance: Independent assortment

c)

3rd law of inheritance: Dominance

25.

What law states that some alleles will always be expressed over other alleles if both are present

a)

1st law of inheritance: Segregation

b)

2nd law of inheritance: Independent assortment

c)

3rd law of inheritance: Dominance

26.

What is the terms for all of the genes in an organism?

a)

Genotype

b)

Phenotype

c)

Autosome

d)

Allele

27.

What is the terms for the expressed traits of an organism's genes?

a)

Genotype

b)

Phenotype

c)

Autosome

d)

Allele

28.

What is the difference between sister chromatids and homologous chromosomes?

a)

Sister chromatids are identical

b)

Homologous chromosomes are identical

c)

Sister chromatids are formed during meiosis

d)

Homologous chromosomes are formed during mitosis

e)

There is no difference

29.

What is the term for the "crossing over" that occurs during prophase I of meiosis?

a)

Syngamy

b)

Synapsis

c)

Entropy

d)

Law of independent assortment

30.

What is the question mark pointing to?

a)

Cilia

b)

Synaptonemal complex

c)

Synaptids

d)

Ligands

31.

What is the term for these four connected chromosomes?

a)

Tetris

b)

Tetrad

c)

Homologous

d)

Alleles

32.

What is the phenotype ratio of a dihybrid cross?

a)

1:2:1

b)

9:3:3:1

c)

6:3:3:3

33.

If an individual has the genotype Aa BB, what are the possible gametes they can produce?

a)

AB, aB, ab

b)

AB, aB

c)

AB

d)

aB

34.

If we crossed an AA individual with an aa individual, what are the genotypes of their possible children?

a)

AA, aa, Aa

b)

AA, Aa

c)

aa, Aa

d)

Aa

35.

If two heterozygous individuals reproduced four times, we would expect how many children to be carriers of the recessive allele?

a)

1

b)

2

c)

3

d)

4

36.

What protein is number 1?

a)

Helicase

b)

Ligase

c)

SS Binding protein

d)

Gyrase

37.

What protein is number 2?

a)

Helicase

b)

Ligase

c)

DNA polymerase

d)

Gyrase

38.

Protein #3 is adding an small section of RNA, it is...

a)

Okazaki

b)

Primase

c)

DNA polymerase

d)

Gyrase

39.

Protein 8 and 6 are adding nucleotides that complement their strand, they are...

a)

Okazaki

b)

Helicase

c)

DNA polymerase

d)

Gyrase

40.

What protein removes the RNA primer and replaces it with DNA nucleotides?

a)

DNA polymerase

b)

Primase

c)

Gyrase

d)

Helicase

41.

Protein #9 is stitching together fragments of DNA, what are these fragments called?

a)

Okazaki fragments

b)

RNA primers

c)

Nucleotides

d)

Codons

42.

Protein #9 is stitching together fragments of DNA, what is this protein?

a)

Gyrase

b)

Polymerase

c)

Ligase

d)

Ligand

43.

A mutation that doesn't change the amino acid the nucleotide would normally code for is a...

a)

Conservative missense mutation

b)

Nonconservative missense mutation

c)

Silent mutation

d)

Nonsense mutation

44.

A mutation that changes an amino acid codon to a stop codon is a...

a)

Conservative missense mutation

b)

Nonconservative missense mutation

c)

Silent mutation

d)

Nonsense mutation

45.

A mutation that is either a deletion or insertion of a nucleotide is called a...

a)

Nonsense mutation

b)

Missense mutation

c)

Silent mutation

d)

Frameshift mutation

46.

What is it called when you look at two Mendelian traits at once in a punnett square?

a)

Hybrid cross

b)

Dihybrid cross

c)

Monohybrid cross

d)

Codominant cross

e)

Dominant cross

47.

All genes follow the dominant/recessive pattern

a)

True

b)

False

48.

Two grey sheep are bred with each other. Two lambs are grey, one black, one white. What is this Mendelian exception?

a)

Codominance

b)

Epistasis

c)

Incomplete dominace

d)

Polygenic inheritance

49.

A purple flower is bread with a pink one. The baby plant has pink & purple stripes. What is this Mendelian exception?

a)

Codominance

b)

Epistasis

c)

Incomplete dominace

d)

Polygenic inheritance

50.

There are many genes that contribute to a person's hair color. What is this Mendelian exception?

a)

Codominance

b)

Epistasis

c)

Incomplete dominace

d)

Polygenic inheritance