Exam 1

Question 1

Calculate:

10^7 x 10^-4

Answer 1

1 x 10^3

Question 2

Calculate:

(10^-1 x 10^3) / 10^-4

Answer 2

1 x 10^6

Question 3

0.05 mL to μl

Answer 3

50 μl

Question 4

725 μl to mL

Answer 4

0.725 mL

Question 5

2 mm to μ​m

Answer 5

2000 μm

Question 6

5100 mL to L

Answer 6

5.1 L

Question 7

Find the micropipette to use and setting

Volume ​750μl

Answer 7

P1000

0-7-5

Question 8

Find the micropipette to use and setting

Volume ​75μl

Answer 8

P200

0-7-5

Question 9

Find the micropipette to use and setting

Volume ​0.35mL

Answer 9

P1000

0-3-5

Question 10

Find the micropipette to use and setting

Volume ​12.5μl

Answer 10

P20​

1-2-5

Question 11

List three characteristics of all living organisms.

A.

B.

C.

Answer 11

A. All living organisms are highly organized.

B. All living things have the ability to grow and develop

C. All living things can reproduce.

Question 12

Prokaryotic/Eukaryotic two differences for each.​

Answer 12

Prokaryotic:

1. Usually smaller in size 1.0-10μm

2. Has no nucleus and replicates DNA in free-floating environment.

Eukaryotic:

1. Has true nucleus and has membrane-bound organelles.

2. Has multiple of organized origin of DNA replication

Question 13

_ N​ucleus

_ Mitochondria

_ Cytosol

_ Cytoplasm

_ Chloroplast

_ Rough Endoplasmic Reticulum (ER)

_ Cytoskeleton

_ Golgi Apparatus

_ Cell Wall

_ Plasma Membrane

A. made of phospholipids and surrounds cell

B. Everything inside the cell (except the nucleus)

C. Location of cellular respiriation

D. Location of photosynthesis

E. The gel-like liquid around the organelles

F. Gives cells shape and involved in cell movement

G. Made of cellulose and outside of plasma membrane

H. DNA is inside

I. Involved in exocytosis

J. Synthesizes new proteins

Answer 13

H. N​ucleus

C. Mitochondria

E. Cytosol

B. Cytoplasm

D. Chloroplast

J. Rough Endoplasmic Reticulum (ER)

F. Cytoskeleton

I. Golgi Apparatus

G. Cell Wall

A. Plasma Membrane

Question 14

• _ Arabidopsis thaliana*
• _ Escherichia coli*
• _ Mus musculus*
• _ Danio rerio*
• _ Xenopus laevis*
• _ Saccharomyces cerevisiae*
• _ Drosphilia melanogaster*
• _ Caenorhabditis elegans*

A. Nematode worm

B. Yeast

C. Bacteria

D. Small plant

E. Frog

F. Mouse

G. Small fish

H. Fruit fly

Answer 14

• D. Arabidopsis thaliana*
• C. Escherichia coli*
• F. Mus musculus*
• E. Danio rerio*
• A, Xenopus laevis*
• B. Saccharomyces cerevisiae*
• H. Drosphilia melanogaster*
• G. Caenorhabditis elegans*

Question 15

The yeast Cdc2 gene from yeast is functionally homologous to the human Cdc2 gene. What does the term “functional homology” mean?

Answer 15

Functional homology at which structures relating to common ancestry is able to replace and work with a similar gene, but just expressed differently.

Question 16

Explain the Endosymbiont Theory

Answer 16

The endosymbiont theory suggest that mitochondria and chloroplasts were bacteria that were engulfed by an organism.

Question 17

List the three parts of Cell Theory

A.

B.

C.

Answer 17

A. All living things come from pre-existing cells

B. All living things are made up of one-or more cells

C. Cells are the building blocks of all living things.