Midterm Study guide Flashcards

1
Q

Levels of organization?

A

atom,molecule,macromolecule, cell, tissue, organ, organ system, organism, community, population, ecosystem, biosphere

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2
Q

What’s incorrect about DNA?

A

All forms of life are composed with cells with a membrane enclosed nucleus.

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3
Q

The main source of energy for producers in an ecosystem?

A

sunlight

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4
Q

Lowest level of organization that is considered living?

A

cell

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5
Q

Which statement is incorrect regarding prokaryotic and eukaryotic cells?

A

Has to due with prokaryotic cells not having membrane bound organelles

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6
Q

What’s a type of protein that’s considered a catalyst?

A

an enzyme

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7
Q

What kind of feedback is regulation of the pancreas pertaining to blood glucose levels?

A

negative feedback

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8
Q

Charles Darwin said organisms are adapted to their environment during descent with modification when the possess….?

A

inheritable traits enhance the survival and reproductive success of those organisms

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9
Q

Atomic number and atomic mass (possibly into neutron number)?

A

you subtract the atomic number and the atomic mass to find the number of neutrons.

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10
Q

Atoms can’t react when their outer shells are full,

A

meaning they are nonreactive

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11
Q

Know who gains and loses electrons during ionic bonds

A

K loses an electron and CL gains an electron

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12
Q

What’s the difference between covalent and ionic bonds?

A

Covalent is sharing electrons, ionic is losing or gaining electrons

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13
Q

How is one successful in an evolutionary sense?

A

-To be most successful they must live short by offspring much

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14
Q

What theme(S) go along with evolution?

A

all of the above

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15
Q

What is a control group?

A

The group that does not receive what one is testing

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16
Q

Know why a control group is important?

A

You need something that doesn’t receive what you’re testing so you can compare it.

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17
Q

How do water’s bond with each other?

A

hydrogen bonds

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18
Q

Know bond strengths? (Which is not a weak bond)

A

Covalent is strongest to van der waals is the weakest

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19
Q

Hypothesis supported many times is a?

A

Theory

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20
Q

All the chemical reactions involved inside a cell(s)?

A

metabolism

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21
Q

Four most important elements everywhere?

A

-carbon, oxygen, nitrogen, hydrogen

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22
Q

What molecules have carbon?

A

organic

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23
Q

Identify the dependent variable?

A

Dependent variable is measurable change

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24
Q

For a protein molecule in between two amino acids to form what has to be released?

A

water

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25
What kind of bonds are in between bonds in proteins like amino acids?
-peptide
26
Term used for a change in shape in proteins, like damaging it?
-denature
27
3 parts of a nucleotide?
-phosphate group, base, and a sugar
28
What is a perimidine?
-cytosine and uracil
29
What is a purine?
-guanine and adenine
30
What bonds with cytosine?
-guanine
31
What is the cell theory?
-Cells are the basic unit of life
32
A term for the cell membrane?
-phospholipid bilayer
33
What type of transport is needed to move sodium in and out of the cell?
-active transport
34
How to move water in and out of the cell?
-osmosis
35
Noticeable difference plants and animal cells under a microscope?
-cell wall for plants and it is green and is a box when animals are round
36
What attracts sunlight in chloroplasts?
-chlorophyll
37
What qualifies as a specialized cells?
-any type of cell that has a specialized purpose
38
What is the process of going from higher to lower concentrations?
-diffusion
39
A large question.. What is the function of ribosomes.
Make proteins
40
Particular organelle for making oils, etc.
Smooth ER
41
Tay sachs disease. What organelle is dysfunctioning if its getting clogged up?
Lysosome
42
Liver has to break down certain poisons?
Smooth ER
43
Organelle in a plant that takes up a bunch of room?
Vacuole
44
Energy, what organelle?
mitochondria
45
Two cells have it’s own DNA?
Mitochondria and Chloroplast
46
Organelle has grana and thylakoid and stroma?
Chloroplast
47
Light energy to chemical energy?
Chloroplast
48
Organelle that's responsible for structure of cell?
Cell wall
49
Fluid Mosaic Model, where are phospholipid?
Inside of the membrane, they never go out
50
What is the purpose of proteins and lipids?
They help transportation
51
What kind of molecules would be able to go through cell membrane the easiest? A carrier protein, what would be a characteristic when it talks about which molecule it prefers?
for a certain type, only specific job. Smallest ones, hydrophobic
52
What’s diffusion?
In Passive Transport, High to Low Concentration
53
What process has to use ATP?
Active Transport. Potassium and Sodium
54
Electron Transport and Kreb Cycle happen where?
Mitochondria
55
Correct formula for photosynthesis.
6CO2+6H2O→ C6H12O6+6O2
56
Where does respiration occur?
Mitochondria
57
Food Chain on Earth?
Starts with Plants
58
Definition of Thermodynamics?
Energy
59
What’s the source of energy for metabolism?
ATP
60
ADP and ATP?
Phosphorylation
61
Enzymes, turn on and turn off?
Activator and inhibitor
62
Which reaction in photosynthesis creates oxygen and ATP?
Light Reaction and Dark reaction
63
Step of cellular respiration that does not require oxygen?
Glycolysis
64
Name of cellular respiration that happens w/o oxygen?
Anaerobic