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