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Exam 1 Review Adv. Bio
nonpolar covalent bonds...?
Why are phosphates important in ATP
Exam 1 Review Adv. Bio
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1
Why are phosphates important in ATP
when they break they give off energy
because there are 3
when you break them they take in energy
2
nonpolar covalent bonds...?
don't share electrons equally
share electrons equally
3
which functional group gives protein it's shape?
carboxyl
amino
sulfhydryl
4
Carbon 12, 13, and 14 are examples of
trace elements
subatomic particles
isotopes
5
If you have 10g of an element and it's half life is 4.24 years. What would it have after two half lives?
3g
5g
2.5 g
it wouldn't have any left
6
How many electrons are on first shell and second
8 & 8
2 & 8
4 & 8
2 & 2
7
what fats are found in plant and fish oils
saturated
unsaturated
8
If you change this group in DNA they will fall apart
nitrogen
phosphate
sugar
9
If you are walking on the wet ground you are breaking what bonds?
no bonds
nonpolar bonds
Hydrogen bonds
ionic bonds
10
which 4 elements represent 96% of matter?
carbon, calcium, sulfur, nitrogen
hydrogen, oxygen, phosphorus, carbon
none
hydrogen, carbon, nitrogen, oxygen
11
Which bond leaves atoms with partial charges?
nonpolar
polar
12
Which level would causes the greatest change or impact?
biosphere
tissues
populations
ecosystems
13
which functional groups are found in amino acids?
carbonyl and amino
carboxyl and amino
carboxyl and carbonyl
14
Atomic number is number of...?
neutrons in atom
none
only electrons
protons in atom
15
The time it takes for one half of the atomic particle nuclei of a radioactive particle to decay
half life
quarter life
full life
16
What is chemical equilibrium?
forward and reverse reactions don't equal each other
only products change
only reactants change
forward and reverse reactions equal each other
17
what causes sickle cell?
hydrophilic to hydrophobic
none
triangle and diamond
change in AA sequence
18
What is a biological system?
An frog with another frog
a frog in a pond with other organisms
DNA with another DNA only
19
If you have a fish in a pond that survives through winter it is because?
water has high specific heat
water has low specific heat
water has high heat of vaporization
20
Which are trace elements?
calcium, phosphorus, sulfur, potassium
calcium, phosphorus, carbon, potassium
phosphorus, calcium, nitrogen, carbon
none
21
which have more H bonds?
saturated fats
unsaturated fats
22
Within the finches tree diagram if they are close together, what does that mean?
they like each other
they have same environment
they have a common ancestor
23
which polysaccharide has the most glycosidic linkage
none
glycogen
starch
cellulose
24
Which is in the right order?
molecules-->ecosystem-->cells
Cells--> tissues --> organism-->ecosystems-->biosphere
biosphere-->organs-->cells-->tissue
25
polar covalent bond is...?
equal sharing of electrons
an atom taking another electron from another atom
unequal sharing of electrons
26
When an atoms take an electron from one atom like in NaCl it is....?
polar
nonpolar
ionic
27
Which property causes cracks to widen when water in them freeze?
cohesive behavior
expansion upon freezing
versatility as solvent
ability to moderate temp
28
You need to have this in pH to prevent protein from denaturing
buffer
acid
hydroxide
29
which is the heaviest part of a cell membrane?
cholesterol
phospholipids
protein
steroids
30
Which of these is not a unifying theme in biology?
inductive reasoning
systems of biology
redictionism
31
What variable in an experiment do you change and located on the x axis?
both
independent
neither
dependent
32
If your right foot can't fit into the space of your left foot that is called?
cis and trans
carbon skeleton
enantiomers
33
Which bonds allow the structure to be on one plane
single
double and triple
only double
34
If you are looking at a cell that has cilia and you can say that it shares...?
doesn't share a common ancestor with anything, it is a new discovery
common ancestor with paramecium that also has cilia
35
What type of bonds are important in cohesion, adhesion, and surface tension?
H bonds
no bonds
C bonds
36
which functional group acts as a base?
carboxyl
methyl
amino
carbonyl
37
1 mole of coffee, 1 mole of water, 1 mole of sugar all have...
same amount of molecules
different measurements of substance
same substance
different amount of molecules
38
What is an example of natural selection?
the first organism
Natural selection doesn't exist
2 white mice
Finches in Galapagos island
39
Biocarbonate and carbonic acid are buffers in
water
urine
blood
saliva
40
which subatomic particle has an indirect on the bonds that are formed between atoms?
neutrons
electrons
protons
