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Unit4 Genetics Test

Total questions: 43

Worksheet time: 27mins

Name
Class
Date
1.
What are the nucleotides made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
2.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
3.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
4.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
5.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
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.

In eukaryotes, which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

8.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
9.
the process of making a copy of DNA
a)
transcription
b)
double helix
c)
DNA replication
d)
replication fork
10.
What is the shape of DNA?
a)
double helix
b)
double heelies
c)
double trouble
d)
double staircase
11.
If we think of DNA as a ladder, which parts are the sides of the ladder?
a)
the nitrogenous base pairs
b)
the phosphate-sugar backbone
c)
the genes
d)
the phospholipid bilayer
12.

What is a function of tRNA

a)

Links together the amino acids

b)

Manufactures amino acids

c)

Converts DNA to mRNA

d)

Carries the correct Amino Acid to the correct codon on mRNA

13.

A group of 3 nucleotides specifies a particular amino acid and is called a

a)

anticodon

b)

codon

c)

nucleotide

d)

deoxyribose sugar

14.

New messenger RNA is made through the process of __

a)

transcription

b)

translation

c)

replication

d)

synthesis

15.

Proteins are formed from the monomers called

a)

nucleotides

b)

nitrogen bases

c)

nucleic acids

d)

amino acids

16.

Base pairs to separate easily during transcription and replication due to

a)

hydrogen bonds between them

b)

peptide bond between them

c)

covalent bond between them

d)

the lack of any bond between them

17.

What is a polypeptide?

a)

ribosome

b)

DNA

c)

RNA

d)

protein

18.

Which of the processes takes place in the cytoplasm?

a)

replication

b)

transcription

c)

translation

d)

deletion

19.

RNA from a bee is compared to the RNA from a moth. Both will contain

a)

sugar deoxyribose and the base pairing of TCG

b)

sugar ribose and the base uracil

c)

sugar ribose and the base adinine

d)

Sugar deoxyribose and the base pairing of ATCG

20.

What is DNA replication?

a)

DNA opens up and each strand is used as a template for making a new strand

b)

DNA opens up and RNA copies it.

c)

DNA unwinds to make two new molecules

d)

RNA opens up the DNA and uses each strand as a template for a new strand.

21.

What is the semi-conservative model of DNA replication

a)

1/2 of the strand is new and 1/2 of the strand is old

b)

Bold 1/2's of the strand are old and no new material is used

c)

Both 1/2's of the DNA strand are new and no old material is used.

22.
What does this picture represent?
a)
amino acid
b)
base pairing
c)
nucleotide
d)
the DNA molecule
23.

What is the example of the molecule produced by the process shown above?

a)

Glucose

b)

Glycogen

c)

Carbohydrate

d)

Polypeptide

24.

The bond shown here in the amino acid chain is a ____ bond.

a)

covalent

b)

hydrogen

c)

ionic

d)

Peptide

25.

The sequence of ____ in a DNA molecule determines the protein that will be produces

a)

Lipids

b)

Nucleotides

c)

Proteins

d)

Sugars

26.

During ____ the cell uses information from messenger RNA to make polypeptides.

a)

meiosis

b)

transcription

c)

translation

d)

replication

27.

How many amino acids are coded for by the strand of mRNA shown here?

AUG UAC

a)

1

b)

2

c)

3

d)

4

28.

A portion of DNA that is condensed and rod-like

a)

Chromosome

b)

Gene

c)

Nucleotide

d)

Codone

29.

A portion of a chromosome that codes for a single protein

a)

Chromosome

b)

Gene

c)

Nucleotide

d)

Codone

30.

Subunit that makes up nucleic acids

a)

Nucleotide

b)

Codon

c)

Amino Acid

d)

Chromosome

31.

A sperm cell of a cow has 14 chromosomes. What is the total number of chromosomes that should be present in a stomach cell of the same cow?

a)

14

b)

7

c)

24

d)

46

32.

The distribution of chromosomes in one type of cell division that produces cells with half the number of chromosomes is

a)

mitosis

b)

meiosis

c)

asexual reproduction

d)

DNA replication

33.

Compared to the number of chromosomes contained in a body cell (46) how many chromosomes should there be in a gamete?

a)

23

b)

92

c)

82

d)

21

34.

Liver Cells, Stomach Cells, and Skin Cells all contain 46 chromosomes and are ____

a)

Gametes

b)

Sex Cells

c)

Sperms Cells

d)

Somatic Cells

35.

Cells not formed in Meiosis are

a)

somatic cells

b)

sex cells

c)

egg cells

d)

sperm cells

36.

Two similar chromosomes that you inherited from your parents (one from your mother and one from your father) are called

a)

homozygous alleles

b)

sister chromatids

c)

sex chromosomes

d)

homologous chromosomes

37.

(of a cell or nucleus) containing two complete sets of chromosomes, one from each parent.

a)

Diploid

b)

Haploid

c)

Karyotype

d)

Meiosis

38.

(of a cell or nucleus) having a single set of unpaired chromosomes.

a)

Diploid

b)

Haploid

c)

Karyotype

d)

Meiosis

39.

the number and visual appearance of the chromosomes in the cell nuclei of an organism or species.

a)

Diploid

b)

Haploid

c)

Karyotype

d)

Meiosis

40.

a process where a single cell divides twice to produce four cells containing half the original amount of genetic information.

a)

Diploid

b)

Haploid

c)

Karyotype

d)

Meiosis

41.

when the sperm from the male parent fertilizes an egg from the female parent, producing an offspring that is genetically different from both parents.

a)

Sexual Reproduction

b)

Fertilization

c)

Homologous Chromosomes

d)

Sister Chromatids

42.

Sperm and egg fuse to form a diploid zygote to initiate prenatal development. The union of two gametes.

a)

Sexual Reproduction

b)

Fertilization

c)

Homologous Chromosomes

d)

Sister Chromatids

43.

have corresponding DNA sequences and come from separate parents; one homolog comes from the mother and the other comes from the father.

a)

Sexual Reproduction

b)

Fertilization

c)

Homologous Chromosome

d)

Sister Chromatide

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