SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
AP Biology
Start Test
Study First
Subjects
:
science
,
ap
,
biology
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Genes that are located on the same chromosome.
primer
monohybrids
linked genes
valence electrons
2. A chemical or physical agent that interacts with DNA and causes a mutation.
endoplasmic reticulum
RNA
sporophyte
mutagens
3. The diffusion gradient of an ion - representing a type of potential energy that accounts for both the concentration difference of the ion across a membrane and its tendency to move relative to the membrane potential.
electrochemical gradient
duplication
centrosomes
acid precipitation
4. A specialized molecule sharing the reaction center with the chlorophyll a molecule; it accepts an electron from the chlorophyll a molecule.
meiosis
chromosome theory of inheritance
primary electron acceptor
cohesion
5. The electron donor in a redox reaction.
coenzyme
parental types
reducing agent
pinocytosis
6. Compounds that have the same molecular formula but differ in the covalent arrangements of their atoms.
cell plate
structural isomers
mitochondria
translation
7. An organelle in eukaryotic cells consisting of stacks of flat membranous sacs that modify - store - and route products of the endoplasmic reticulum.
mesophyll cell
golgi apparatus
mitosis
G1 phase
8. A nonspontaneous chemical reaction in which free energy is absorbed from the surroundings
nucleolus
spliceosome
temperature
endergonic reaction
9. A tiny membranous sac in a cell's cytoplasm carrying molecules produced by the cell.
light reactions
trans face
gametes
transport vesicles
10. A cell organelle constructed in the nucleolus and functioning as the site of protein synthesis in the cytoplasm; consists of rRNA and protein molecules - which make up two subunits
gated channels
tonoplast
ribosomes
hypertonic
11. An adenine-containing nucleoside triphosphate that releases free energy when its phosphate bonds are hydrolyzed. This energy is used to drive endergonic reactions in cells.
transport proteins
heat
ATP
G2 phase
12. Complex of DNA and proteins that makes up a eukaryotic chromosome
metastasis
catalyst
induced fit
chromatin
13. The protective structure at each end of a eukaryotic chromosome. Specifically - the tandemly repetitive DNA at the end of the chromosome's DNA molecule. See also repetitive DNA.
telomeres
grana
pinocytosis
induced fit
14. A protein covalently attached to a carbohydrate.
Cytochrome
glycoproteins
polyribosomes
purines
15. A quantitative measure of disorder or randomness - symbolized by S.
visible light
entropy
plastids
absorption spectrum
16. For proteins - a process in which a protein unravels and loses its native conformation - thereby becoming biologically inactive. For DNA - the separation of the two strands of the double helix. Denaturation occurs under extreme conditions of pH - sal
denaturation
chromosome theory of inheritance
catalyst
RNA processing
17. An increase or decrease in the density of a chemical substance in an area -->substances tend to move form where there are more concentrated to where they are less concentrated
endocytosis
gated channels
electron transport chain
concentration gradient
18. An organic molecule possessing both carboxyl and amino groups. Amino acids serve as the monomers of proteins.
amino acid
flaccid (limp)
viral envelope
G2 phase
19. One of two families of nitrogenous bases found in nucleotides. Adenine (A) and guanine (G) are purines.
free energy
purines
substrate
nucleus
20. In comparing two solutions - referring to the one with a greater solute concentration.
capsid
polyribosomes
mesophyll cell
hypertonic
21. Phase of cell cycle that includes mitosis and cytokenisis
cotransport
covalent bonds
cotransport
mitotoic phase
22. A human genetic disease caused by a sex-linked recessive allele; characterized by progressive weakening and a loss of muscle tissue.
C4 plants
carbohydrates
duchenne muscular dystropy
phospholipid
23. The parent individuals from which offspring are derived in studies of inheritance; P stands for parental.
leading strand
electron microscope
P. generation
peroxisome
24. An increase or decrease in the density of a chemical substance in an area. Cells often maintain concentration gradients of ions across their membranes. When a gradient exists - the ions or other chemical substances involved tend to move from where th
concentration gradient
chromatin
cotransport
solvent
25. A team of enzymes that hydrolyze DNA and RNA into their component nucleotides
polymer
entropy
cohesion
nuclease
26. Smallest unit of matter that retains property of an element
atom
activation energy
chromatin
nucleolus
27. The DNA strand that provides the template for ordering the sequence of nucleotides in an RNA transcript.
template strand
aquaporins(water channel)
wild type
NADP+
28. Sites where the replication of a DNA molecule begins.
pleiotropy
origins replication
lactid acid fermentation
linkage map
29. Fourth subphase of mitosis in which the chromatids of each chromosome have separated and the daughter chromosomes are moving to the poles of the cell
pleiotropy
genes
entropy
anaphase
30. A membrane-enclosed bag of hydrolytic enzymes found in the cytoplasm of eukaryotic cells.
fermentation
phagocytosis
polyribosomes
lysosomes
31. Suspended in cytosol which will function in cytosol (ex:enzymes)
transformation
free ribosomes
trans face
ribosomes
32. In cellular metabolism - the use of energy released from an exergonic reaction to drive an endergonic reaction.
buffers
peroxisome
unsaturated fatty acid
energy coupling
33. 3rd subphase in mitosis; spindle is complete and the chromosomes attached to microtubules at their kinetochores are aligned at he metaphase plate
ATP synthase
S phase
metaphase
cytoskeleton
34. (1) A lineage of genetically identical individuals or cells. (2) In popular usage - a single individual organism that is genetically identical to another individual. (3) As a verb - to make one or more genetic replicas of an individual or cell. See a
alternation of generations
clone
autotrophs
transformation
35. A functional group present in organic acids and consisting of a single carbon atom double-bonded to an oxygen atom and also bonded to a hydroxyl group.
carboxyl group
Rough ER
heredity
incomplete dominance
36. The fifth and final subphase of mitosis in which daughter nuclei are forming and cytokenisis actually begins
amino acid
telophase
prokaryotic cell
plasmolysis
37. An organic molecule consisting only of carbon and hydrogen.
passive transport
hydrocarbons
chemical bonds
glycogen
38. Sites of photosynthesis. convert solar energy--> chemical energy by absorbing sunlight and using it to drive the synthesis of organic compounds from CO2 and H20
chloroplast
hydrocarbons
mitotoic phase
aqueous solution
39. Gene carrying structure found in nucleus- consists of 1 very long DNA molecules and associated proteins
electron transport chain
gap junctions
chromosomes
endoplasmic reticulum
40. Anything takes up space and has mass
nuclear lamina
ribosomes
gated channels
matter
41. A type of blue-green photosynthetic pigment that participates directly in the light reactions.
S phase
central vacuole
F1 generation
chlorophyll A
42. The enzyme that catalyzes the first step of the Calvin cycle (the addition of CO2 to RuBP - or ribulose bisphosphate).
chromatin
rubisco Ribulose carboxylase
thylakoids
hydrogen bond
43. A type of yellow-green accessory photosynthetic pigment that transfers energy to chlorophyll a.
ATP
chlorophyll B
proton
condensation reaction
44. A quantum - or discrete amount - of light energy.
photon
helicase
primer
F1 generation
45. The second subphase of mitosis - in which discrete chromosomes consisting of identical sister chromatids appear - the nuclear envelope fragments - and the spindle microtubules attach to the kinetochores of the chromosomes.
Peripheral proteins
prometaphase
endergonic reaction
malignant tumor
46. A covalent bond formed between two monosaccharides by a dehydration reaction.
anticodon
element
inversion
glycosidic linkage
47. A phenotypic situation in which the two alleles affect the phenotype in separate - distinguishable ways
mRNA
G1 phase
NaD+
codominance
48. A regularity protein whose concentration fluctuates cyclically
cell cycle
catalyst
reduction
cyclin
49. A property of biological membranes that allows some substances to cross more easily than others.
somatic cell
ECM function in support - adhesion - movement - and regulation (glycoproteins)
RNA splicing
selective permeability (the ability to allow some sub. to cross the plasma membrane more easily)
50. A method of organizing the chromosomes of a cell in relation to number - size - and type.
karyotype
trace elements
domains
exergonic reaction