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Bio 113 exam 1 Review
Bio 113 exam 1 Review
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1
Which of the following can proteins not do?
They can do all of these things
Movement
Defense
Transportation
2
You don't need to include units on group exams, solo exams or homework.
False
True
3
What do purines bind to?
Purines
Pyrimidines
4
How many electron pairs are shared between carbon atoms in a molecule that has the formula C2H4?
1
2
3
4
5
A hydrogen bond individually is very strong
False
True
6
Chemical reactions occur when …
Hydrogen atom from 1 polar molecule is attracted to an electronegative atom
When molecules are very close together
Protons fight neutrons
1 or more substances are changed by breaking/creation of chemical bonds
7
What is the charge of a cation?
Negative
Positive
8
An atom has 6 electrons in its outer shell. How many unpaired electrons does it have?
4
6
0
2
9
Lipids dissolve in water
False
True
10
What is a flattened membrane stack called?
Grana
Stroma
Thylakoid
11
What type of reaction is the following: a water molecule is consumed to break down a polymer into two monomers?
Dehydration
Hydrolysis
12
Who's my favorite music artist?
All sorts of music
Russ
Jon Pardi
Post malone
13
What is another name for the Golgi complex?
UPS of the cell
Center of the cell
The brain of the cell
14
Which structure is not part of the endomembrane system?
Chloroplasts
nuclear envelope
Plasma membrane
ER
15
What determines the direction of a chemical reaction or other cellular processes?
Change in kinetic energy
Change in free energy
Change in potential energy
16
Electrons located further away from the nucleus, have less potential energy.
True
False
17
What is the function of the mitochondria?
cellular respiration
synthesizes
transports solutes
hydrolyzes macromolecules
18
When you go to the moon, your mass is different than what it is on earth.
True
False
19
Water molecules are able to form hydrogen bonds with…
any compound that is not soluble in water
compounds that have polar covalent bonds
compounds that have nonpolar covalent bonds
20
Membranes are made up of phospholipids.
False
True
21
Are ribosomes organelles?
No
Yes
22
Centrosomes are found in plant or fungal cells
False
True
23
What is an example of quantitative data?
The rabbit was very soft
A frog jumped 5 meters in 5 seconds
The algae was green
The test tube looked foggy
24
Ionic bonds occur between.....
Cations and Cations
Anions and Anionsa
Cations and Anions
25
What is the most likely pathway taken by newly synthesized protein that will be secreted by a cell?
ER-->Golgi-->vesicles that fuse with the plasma membrane
ER-->lysosomes-->vesicles that fuse with plasma membrane
Golgi-->ER-->Lysosome
nucleus-->ER-->Golgi
26
A scientist is studying energy flow in a frog. What is the scientist studying?
Kinetic energy
Potential energy
Thermodynamics
Bioenergetics
27
The concentration of the solute is lower than the concentration within the cell…
Isotonic
Hypertonic
Hypotonic
28
What organelle dictates if things can pass into or out of a cell while also protecting it?
Cytoplasm
Cell membrane
Ribosome
nucleus
29
When two atoms are equally electronegative, they will interact to form
nonpolar covalent bonds
hydrogen bonds
ionic bonds
polar covalent bonds
30
The second shell of an electron can hold…
2 pairs of electrons
3 pairs of electrons
4 pairs of electrons
1 pair of electrons
31
What was my favorite section in this class?
Mitosis
Transcription
Cell Function
Natural selection
32
Most cells cannot harness heat to perform work
True
False
33
During exocytosis, plasma membrane materials are encased in…
Ribosomes
Lysosomes
Vesicles
Nucleus
34
The Endosymbiont Theory deals with __________ between 2 cells.
phagocytosis
exocytosis
pinocytosis
35
What is the function of the vacuole?
sorting material
storing material
shipping material
36
What does thermodynamics study?
energy flow
change in free energy
37
My favorite TV show?
The news
Girls incarcerated
Barney
Untold stories of the ER
38
Phagocytosis involves engulfing liquid and molecules
False
True
39
Which of the following is present in a prokaryotic cell?
chloroplasts
ribosome
nuclear envelope
mitochondria
40
Who was the previous British Monarch?
Edward VII
George VI
Edward VIII
Elizabeth II
41
What is the simplest form of a carbohydrate?
Disaccharides
Monosaccharides
Polysaccharides
42
Students look to see if brightness of light has an effect on moths being attracted to it, what is the dependent variable
brightness of the light
How the moth reacts
43
Which of the following is not a functional group?
Amino
Hydrogen
Sulfate
Carboxyl
44
Carbohydrates contain hydrogen, oxygen and nitrogen
False
True
45
When is your solo exam?
Thursday, September 26th
Friday, September 27th
Complete between Thursday - Monday
Tuesday, September 24th
46
What are isotopes?
Multiple forms of an element that differ in the number of neutrons
Multiple forms of an element that differ in the number of electro
Multiple forms of an element that differ in the number of protons
47
What are the three subunits of Nucleotides?
Two sugars, hydrogen, carbon
Pentose sugar, phosphate, nitrogen base
Pentose sugar, phosphate, hydrogen base
Three sugars, hydrogen, carbon
48
Where are cell membranes found?
Eukaryotes
Prokaryotes
Both
49
C6H1206 (glucose) is an example of a....
Molecule
Compound
50
Electrons, protons and neutrons are all involved in chemical reactions between atoms
True
False
51
What are carbohydrates made of?
Carbon, Nitrogen, Hydrogen
Carbon, Hydrogen, Oxygen
Carbon, Nitrogen, Oxygen
Carbon and Oxygen
52
Prokaryotic cells have a nucleus and reproduce by sexual reproduction.
True
False
53
What does the following mean: Δ G > 0?
The reaction is guarenteed to go
Energy must be added to the system
will occur spontaneously
54
When is your group exam?
Thursday, September 26th
Wednesday, September 25th
Tuesday, September 24th
Monday, September 23rd
55
A controlled experiment is one in which…
there are at least 2 groups, one does not recieve experimental treatment
experiment proceeds at slow pace
experiment is repeated many times to ensure results are accurate
there are at least 2 groups, one differing from the other by 2 variables
56
What is an active site usually made of?
Amino acids that are not next to eachother in the primary sequence
Amino acids that are next to eachother in the primary sequence
Catalyst
Enzymes
57
What is most of a lipid made up of?
Nonpolar covalent bonds
Polar covalent bonds
58
Thylakoids, DNA, and ribosomes are all components found in
Chloroplasts
Vacuoles
Lysosomes
Mitochondria
59
The nucleus of a nitrogen atom contains 7 neutrons and 7 protons. What is the correct statement below?
Mass number of approx. 7 and atomic number of approx. 14
Mass number of approx. 7 and atomic number of 21
Mass number of approx. 14 and atomic number of approx 7
Mass number of approx. 14 and atomic number of approx. 14
60
What is a long molecule consisting of many similar building blocks called?
Polymer
Polysaccharide
Monomer
Phospolipid
61
Water, gasses and ions can pass through a cell membrane.
False
True
