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Final Exam Prep Fall 2021

Total questions: 56

Worksheet time: 56mins

Name
Class
Date
1.

What are the domains? (can click more than one)

a)

Bacteria

b)

Archaea

c)

Eukarya

d)

Plantae

e)

Animalia

2.

Which of the following is a correct statement?

a)

Cytosol is everything within the membrane

b)

Cytosol is the fluid of the cytoplasm

c)

Cytoplasm is the fluid

d)

Cytoplasm is everything outside of the membrane

3.

Going largest to smallest, which of these is correct?

a)

Biosphere, Organism, Community

b)

Community, Ecosystem, Molecule

c)

Organism, Tissue, Organelle

4.

Evolution is a change over time within a (a)   of organisms.

5.

__________: atoms of the same element that have variable numbers of neutrons

a)

radioactives

b)

orbitals

c)

isomers

d)

isotopes

6.

______ is a positive ion and ______ is a negative ion.

a)

cation; anion

b)

isomer; isotope

c)

anion; cation

d)

isotope; isomer

7.

Cohesion is when water molecules stick to _______ by hydrogen bonds.

a)

other things

b)

each other

c)

nothing

8.

(a)   is hydrophilic and hydrophobic; polar and non-polar

9.

These are responsible for maintaining a stable pH.

a)

bases

b)

acids

c)

acidic solutions

d)

buffers

e)

basic solutions

10.

Which of the following is an isomer that is the same chemical formula, but is the mirror image?

a)

trans isomer

b)

structural isomer

c)

enantiomer

d)

cis isomer

11.

This functional group is also known as thiol

a)

Carboxyl

b)

Sulfhydryl

c)

Carbonyl

d)

Hydroxyl

12.

Which macromolecule is not a polymer?

a)

carbohydrate

b)

nucleic acids

c)

proteins

d)

lipids

13.

The bonds in cellulose are?

a)

alpha-1,4

b)

alpha-4,1

c)

beta-1,4

d)

beta-4,1

14.

What is the linkage called the bonds a glycerol and fatty acid together?

a)

ester

b)

glycosidic

c)

fatty

d)

ether

15.

How does quaternary level differ from tertiary?

a)

quaternary is only composed of one protein

b)

quaternary is always four proteins

c)

quaternary is composed of two or more proteins

d)

quaternary is 2-D

16.

Click all of the bases that are in DNA and are purines

a)

Adenine

b)

Uracil

c)

Thymine

d)

Cytosine

e)

Guanine

17.

When you add a phosphate to AMP, which of the following molecules is the result?

a)

AMPP

b)

ADP

c)

ATP

d)

ADPP

18.

In DNA, A and T have __ base pairs and G and C have __ base pairs.

a)

1;2

b)

3;2

c)

2;3

d)

2;1

19.

(a)   rxns use exergonic rxns to make endergonic rxns go.

20.

In the Gibb's Free Energy Equation, what does S stand for?

a)

enthalpy

b)

entropy

c)

free energy

d)

absolute temperature

21.

Cholesterol can do what in terms of membrane fluidity?

a)

increase it

b)

decrease it

c)

increase and decrease it

d)

nothing

22.

What are two properties that are needed to readily pass through the cell membrane?

a)

large and non polar

b)

small and polar

c)

large and polar

d)

small and non polar

23.

A cell has 0.5M concentration and the environment has 0.3M concentration. Where will the water flow?

a)

into the cell

b)

out of the cell

c)

it will not flow

d)

in and out of the cell

24.

Pinocytosis is also known as cell (a)   .

25.

Click all of the following that can affect enzyme regulation.

a)

temperature

b)

inactive forms

c)

pH

d)

enzyme concentration

26.

Paracrine and synaptic signaling are examples of ______ distance cell signaling.

a)

short

b)

long

c)

medium

d)

these are not an example

27.

What is the NET gain of glycolysis?

a)

2 ATP, 2 Pyruvate, 2 H20, 2 NADH+2H+

b)

4 ATP, 2 Pyruvate, 2 H20, 3 NADH+3H+

c)

2 ATP, 2 Pyruvate, 2 H20, 4 NADH+4H+

d)

2 ATP, 3 Pyruvate, 2 H20, 2 NADH+2H+

28.

This is the splitting of water using light energy.

a)

photosynthesis

b)

photolysis

c)

photosplit

d)

hydrolysis

29.

C4 pathway is important for plants that live in what type of climate?

a)

hot and dry

b)

hot and wet

c)

cold and wet

d)

cold and dry

30.

In the cell cycle, what occurs during G2?

a)

DNA replication; duplicate chromosomes

b)

chromosomes line up along the spindle equator

c)

prep for cell division; make organelles and increase cell volume

d)

cytokinesis

31.

What is the DNA content and policy number of a zygote?

a)

1n, 1c

b)

1n, 2c

c)

2n, 1c

d)

2n, 2c

32.

Expressivity is the partial expression of a phenotype in a(n)

(a)  

33.

These are heterozygotes who phenotypically express a characteristic encoded by one allele, but are carrying another form of the gene that is not expressed.

a)

expressers

b)

carriers

c)

hidden gene

d)

carrers

34.

What is the standard ratio of a dihybrid cross?

a)

9:4:3

b)

9:3:3:1

c)

9:4:2:1

d)

8:5:3

35.

A Barr body is a(n) (a)   X chromosome.

36.

A mother is a carrier for color-blindness. A father has normal vision. What is the correct ratio below?

a)

3:1 normal:color-blind

b)

3:1 color-blind-normal

c)

1:1 normal:color-blind

d)

1:1 color-blind-normal

37.

What is the correct order of the steps in transcription?

a)

termination, elongation, initiation

b)

initiation, elongation, termination

c)

elongation, initiation, termination

d)

elongation, termination, initiation

38.

RNA Dependent RNA Polymerase uses what to make an RNA strand?

a)

RNA

b)

DNA

c)

single-stranded DNA

d)

double-stranded DNA

39.

The RNA Dependent RNA Polymerase cannot/does not fix its mistakes, which results in?

a)

unnoticeable changes

b)

death

c)

mutations

d)

nothing

40.

This is where we 'get rid' of the introns and then glue the exons together (which results in a shorter molecule).

a)

RNA splicing

b)

RNA cutting

c)

RNA gluing

d)

intron splicing

41.

Atomic number defines the ________ of the element.

a)

isotopes

b)

purpose

c)

identity

d)

neutrons

42.

What matches this definition: a molecule that contains two or more different elements?

a)

compound

b)

molecule

c)

anion

d)

cation

43.

electronegativity is a measure of how strongly an atom attracts what?

a)

protons

b)

electrons

c)

neutrons

d)

none of these

44.

T or F. 1 Cal = the amount of energy required to raise the temperature of 10 grams of water 1 degree C.

a)

True

b)

False

45.

Which statement is correct?

a)

Acids accept OH- and bases accept H+

b)

Acids donate H+ and bases accept OH-

c)

Acids donate OH- and bases accept OH-

d)

Acids donate H+ and bases accept H+

46.

Which of the following is an ester?

a)

C-O-C=O

b)

C=O-C=O

c)

C-O-P=O

d)

C=O-P=O

47.

Which words corresponds to a molecule that is both a cation and an anion?

a)

canion

b)

amphipathic

c)

zwitterion

d)

charged

48.

how do you read an amino acid?

a)

left to right

b)

n terminal to c terminal

c)

right to left

d)

c terminal to n terminal

49.

This level of protein structure is the first where function is present.

a)

primary

b)

secondary

c)

tertiary

d)

quaternary

50.

Click all of the following that tertiary and quaternary proteins are stabilized by

a)

ionic bonding

b)

hydrophobic interactions

c)

hydrogen bonds

d)

disulfide bonds (covalent bonds)

51.

Out of all of the options, which factor can affect membrane fluidity to make the membrane more fluid and less fluid?

a)

saturated fats

b)

unsaturated fats

c)

cholesterol

52.

A cell has 0.5M concentration and the environment has 0.3M environment. Where will water flow?

a)

inside the cell

b)

outside the cell

c)

no water flow

d)

cannot tell with this information

53.

enzymes may require ______ or ______ to function as electron carries

(a)  

54.

Explain how the inactive form of propeptide works.

4 lines
55.

As helices causes torsional strain, what enzyme fixes this?

a)

primase

b)

torsionase

c)

RNA polymerase

d)

topoisomerase

56.

the polyadenylation signal is a signal to add what?

a)

5' cap

b)

5' tail

c)

3' cap

d)

3' tail

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