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1st Semester Biology Review

Total questions: 57

Worksheet time: 29mins

Name
Class
Date
1.

Which biomolecule is a source of quick energy for cells?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

2.

Which biomolecule is involved in long term energy storage?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

3.

A mutation in DNA would initially start with which biomolecules?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

4.

Which type of biomolecule makes up cell membranes?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

5.

Enzymes are special _______ that speed up chemical reactions.

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

6.

DNA and RNA belong to this biomolecule group.

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

7.
DNA is in the...
a)
Membrane
b)
Ribosome
c)
Chloroplast
d)
Nucleus
8.
When Cells reproduce, they need to replicate their...
a)
sugar
b)
membrane
c)
DNA
d)
emotions
9.
The enzyme that unwinds the double helix is called
a)
Helicase
b)
Primase
c)
Polymerase
d)
Replicase
10.
When new nucleotides are added, Adenine pairs with
a)
Guanine
b)
Cytosine
c)
Adenine
d)
Thymine
11.
When new nucleotides are added, Cytosine pairs with
a)
Guanine
b)
Cystosine
c)
Adenine
d)
Thymine
12.
When new nucleotides are added, Thymine pairs with
a)
Guanine
b)
Cytosine
c)
Adenine
d)
Thymine
13.

What type of bond holds the DNA strands together?

a)

hydrogen

b)

ionic

c)

nonpolar covalent

d)

polar covalent

14.

What molecules make up the backbone of DNA?

a)

nucleotides and phosphates

b)

nucleotides and sugars

c)

sugars and nucleotides

d)

sugars and phosphates

15.

Name this structure

a)

double helix

b)

nucelotide

c)

twisted ladder

d)

hydrogen bond

16.

The letters of the DNA alphabet are:

a)

A, C, G and T

b)

A, O, G, and T

c)

C, G, P and T

d)

C, G, T and D

17.

A group of three letters on DNA is called a:

a)

Helix

b)

Sugar

c)

Phosphate

d)

Codon

18.

If one strand of DNA says GCT, the other strand says:

a)

GCT

b)

CTA

c)

CGA

d)

TCG

19.

The three parts of a nucleotide are:

a)

Sugar, protein, letter from DNA alphabet

b)

Sugar, phosphate, letter from DNA alphabet

c)

Phosphate, protein, letter from DNA alphabet

d)

Phosphate, sulphur, letter from DNA alphabet

20.

The end result of mitosis is

a)

4 Identical Cells are produced

b)

4 genetically different cells are produced

c)

2 identical cells are produced

d)

2 genetically different cells are produced

21.

The end result of meiosis is...

a)

4 identical cells

b)

4 genetically different cells

c)

2 identical cells

d)

2 genetically different cells

22.

How many chromosomes do the daughter cells have in meiosis?

a)

23

b)

46

c)

2

d)

4

23.

How many chromosomes do the daughter cells have in mitosis?

a)

23

b)

46

c)

2

d)

4

24.

What is the correct order for the phases of mitosis?

a)

Prophase, Anaphase, Telophase, Metaphase

b)

Anaphase, Telophase, Prophase, Metaphase

c)

Telophase, Anaphase, Prophase, Metaphase

d)

Prophase,

Metaphase, Anaphase, Telophase

25.

How many divisions are in meiosis?

a)

46

b)

23

c)

2

d)

4

26.

Which phase of mitosis do the chromosomes line up in the middle of the cell?

a)

Anaphase

b)

Metaphase

c)

Telophase

d)

Prophase

27.

What is the correct definition of a haploid cell?

a)

A cell that only has a single set of chromosomes. (23 = n)

b)

A cell that has 2 sets of chromosomes (46 = 2n)

28.

What process results in the division of 1 cell into 2 identical daughter cells?

a)

Mitosis

b)

Meiosis

c)

G1

d)

Cross-Over

29.

What is the name for the event that results in the division of the cell body (cytoplasm) into 2 daughter bodies.

a)

Telophase

b)

Citokinesis

c)

Mitosis

d)

Cross Over

30.
products of meiosis are genetically
a)
different
b)
identical
31.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
32.

This regulates what goes in and out of the cell.

a)

Cell membrane

b)

Nucleus

c)

Ribosome

d)

Mitochondria

33.

Cellular respiration takes place here and produces energy called ATP.

a)

Lysosome

b)

Golgi apparatus

c)

Nucleus

d)

Mitochondria

34.

Makes proteins (protein synthesis)

a)

Ribosomes

b)

Rough ER

c)

Nucleus

d)

Cytoplasm

35.

Traps sunlight and converts it into energy for plants.

a)

Chloroplasts

b)

Cell wall

c)

Cell membrane

d)

Vacuole

36.

In which osmotic state does the cell shrink?

a)

hypertonic

b)

isotonic

c)

hypotonic

37.

In which osmotic state does the cell look normal?

a)

hypertonic

b)

isotonic

c)

hypotonic

38.

During which osmotic state does the cell swell and get bigger?

a)

Hypertonic

b)

Isotonic

c)

Hypotonic

39.

What is the difference between active and passive transport?

a)

Active is high to low; Passive is low to high

b)

Active uses no cell energy; Passive uses cell energy

c)

Passive is high to low and uses no energy; Active uses energy and is low to high

d)

Passive uses no cell energy

40.

Fill in the blank:

Osmosis is the movement of ________ across a cell membrane from high to low.

a)

Carbon dioxide

b)

Starch

c)

Water

d)

Oxygen

41.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
42.

If the semipermeable membrane allows the green chemical to pass through it freely, where will the green chemical move?

a)

right to left

b)

left to right

c)

up and down

43.
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
44.
Replicate the following strand of DNA: 
AATCATGGA
a)
AATCATGGA
b)
TTAGTACCT
c)
UUAGUACCU
d)
GGATAUCUA
45.

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

46.

The monomers that make up DNA and RNA are called?

a)

amino acids

b)

monosaccharides

c)

nucleotides

d)

fatty acids

47.

What are the three components of a DNA monomer unit?

a)

ribose, phosphate, nitrogen base

b)

ribose, sugar, nitrogen base

c)

deoxyribose, phosphate, nitrogen base

d)

deoxyribose, sugar, nitrogen base

48.
What can the cell cycle also be called?
a)
Cell growth
b)
DNA Replication
c)
Preparation for Mitosis
d)
Cell Divison
49.
During what phase of the cell cycle does cell division occur?
a)
Interphase
b)
M phase
c)
S phase
d)
G2 phase
50.
During what phase of the cell cycle is DNA replicated?
a)
G1 phase
b)
S phase
c)
G2 phase
d)
M phase
51.
During what phase of the cell cycle does the cell grow?
a)
G1 phase
b)
S phase
c)
M phase
d)
Cytokinesis
52.
During what phase of the cell cycle does the cell prepare for mitosis?
a)
G1 phase
b)
S phase
c)
G2 phase
d)
M phase
53.

_____ is the uncontrolled growth of cells, often resulting in a tumor or mass of abnormal cells

a)

Cancer

b)

Apoptosis

c)

Radiation

54.

Which stage of the cell cycle do cells spend the most time?

a)

Cytokinesis

b)

Mitosis

c)

Interphase

d)

Prophase

55.

What stage is represented with this image?

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

56.

What stage is represented by this image?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

57.

What stage is represented by this image?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

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