stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Duplicate of AP Biology Exam Review 2 Flashcards | StudBud
Explore
/
Duplicate of AP Biology Exam Review 2
Duplicate of AP Biology Exam Review 2
25 terms
·
StudBud Administration
·
38 plays
AP Biology Exam Review
Flashcards
25 cards
F
Practice quiz
P
Host live
L
Questions
25
Answers
1
Cell size is limited by
surface to volume ratios
# of proteins in the plasma membrane
size of the endomembrane system
surface area of the mitochondria in the cytoplasm
2
predict the amino acid sequence: 5' AUG-UCU-UCG-UUA-UCC-UUG 3'
leu-glu-arg-arg-glu-leu
lys-ser-leu-ser-leu-ser
met-ser-ser-leu-ser-leu
arg-arg-glu-arg-glu-arg
3
Which of the following is NOT a polymer?
DNA
cellulose
starch
glucose
4
The complexity & variety of organic molecules is due to ____
Chemical versatility of Carbon atoms
variety of rare elements in organic molecules
diverse bonding patterns of nitrogen
their interaction with water
5
Which of these provides evidence of the common ancestry of all life?
structure of chloroplasts
structure of cilia
universality of the genetic code
structure of the nucleus
6
In the process of transcription, ____________________
DNA is replicated
RNA is synthesized
mRNA attaches to ribosomes
proteins are synthesized
7
Viruses __________________
use host cell to copy themselves & then make ATP for energy
make their own ATP, proteins & nucleic acids
metabolize food and produce their own ATP
use the host cell to copy them selves & make viral proteins
8
In the process of science, which of these is tested?
a hypothesis
a control group
an observation
a result
9
Which of the following is (are) true of natural selection?
all choices are true
requires genetic variation
differential reproductive success
results in descent w/ modification
10
Which viruses have single-stranded RNA that acts as a template for DNA synthesis?
viroids
retroviruses
proviruses
bacteriophages
11
Why is Carbon so important in Biology?
It is most common element on earth
forms a variety of carbon skeletons & host functional groups
has little electronegativity, makes a good electron donor
bonds to only a few other elements
12
A single molecule of water has two Hydrogen atoms bonded to a single Oxygen atom by ___
polar covalent bonds
Hydrogen bonds
nonpolar covalent bonds
ionic bonds
13
All of the following are part of a prokaryotic cell EXCEPT________
plasma membrane
endoplasmic reticulum
ribosomes
Cell wall
14
Which structure is common to plant AND animal cells?
chloroplast
Centriole
mitochondria
Central vacuole
15
25 natural elements are known to be essential to life which 4 make up 96 % of living matter?
O, H, Ca, N
C, H, N, O
C, Na, H, N
C, O, P, Fe
16
Which of the following is a property of liquid water?
lower specific heat than most other substances
less dense than ice
heat of vaporization is higher than most other substances
nonpolar
17
Which macromolecule leaves the nucleus of a eukaryotic cell thru nuclear membrane pores?
DNA
phospholipids
amino acids
mRNA
18
The attraction between very weak and changing +/- charges of two molecules is called_____
phosphodiester bond
ionic bond
covalent bond
van der Waals interaction
19
In comparison to eukaryotes, prokaryotes ________________
more structurally complex
are smaller
are larger
don't have membranes
20
Which of the following best summarizes the relationship b/w dehydration sythesis & hydrolysis?
Both reactions assemble polymers from monomers
Dehyd. syn assemble polymers & hydrolysis breaks apart
Dehyd. syn removes water from membranes & hydrolysis adds it
Hydrolysis creates polymers & Dehyd. syn creates monomers
21
The element present in all organic molecules is _______
Carbon
Sodium
Hydrogen
Nitrogen
22
Which of the following supports the argument that viruses are nonliving?
They do not evolve
Their DNA does not encode proteins
They are not cellular
They have RNA rather than DNA
23
If p = dominant allele and q = recessive allele, if there was "r" what would that represent?
another dominant allele
yarrrrr...pirates.
it replaces the recessive allele
everyone loves monkeys!
24
Which of the following is the best modern definition of evolution?
change in the # of genes in a population over time
survival of the fittest
descent w/ modification
inheritance of acquired characters
25
Which of the following effects can occur because of the high surface tension of water?
sweat can evaporate from the skin to stop overheating
a raft spider can walk across the surface of a small pond
Organisms can resist temp changes despite giving off heat
Lakes can't freeze solid in winter despite low temperatures
