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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. The entire contents of the cell - exclusive of the nucleus - and bounded by the plasma membrane.
Oxidative Phosphorylation
reduction
nucleolus
cytoplasm
2. A route of electron flow during the light reactions of photosynthesis that involves only photosystem I and that produces ATP but not NADPH or oxygen
peripheral proteins
cyclic electron flow
bundle sheath cell
amniocentesis
3. A solution in which water is the solvent
cyclic photophosphorylation
aqueous solution
hydroxyl groups
crossing over
4. A complex assembly that interacts with the ends of an RNA intron in splicing RNA - releasing the intron - and joining the two adjacent exons.
concentration gradient
spliceosome
homozygous
feedback inhibition
5. In comparing two solutions - referring to the one with a greater solute concentration.
fluid mosaic model
voltage
template strand
hypertonic
6. An already existing RNA chain bound to template DNA to which DNA nucleotides are added during DNA synthesis.
sickle cell anemia
primer
denaturation
terminator
7. Are not embedded in the lipid bilayer at all. Instead - the are loosely bound to the surface of the protein - often connected to integral proteins
Peripheral proteins
mitotoic phase
RNA processing
cell division
8. A heritable feature.
character
diffusion
saturated fatty acid
chromatin
9. The most abundant type of RNA - which together with proteins - forms the structure of ribosomes. Ribosomes coordinate the sequential coupling of tRNA molecules to mRNA codons.
noncompetitive inhibitor
endergonic reaction
ribosomal RNA
nuclease
10. A membranous sac that helps move excess water out of the cell.
ligands
contractile vacuoles
extracellular matrix
phagocytosis
11. A taxonomic category above the kingdom level. The three domains are Archaea - Bacteria - and Eukarya.
RNA processing
smooth ER
domains
terminator
12. A double sugar - consisting of two monosaccharides joined by dehydration synthesis.
RNA splicing
disaccharides
osmosis
glycoproteins
13. Reproduction of cells
transcription unit
cofactor
cell division
noncyclic phosphorylation
14. An instrument that measures the proportions of light of different wavelengths absorbed and transmitted by a pigment solution.
spectrophotometer
glycosidic linkage
hybridization
Acetyl CoA
15. A cell creates a vesicle around a droplet of extracellular fluid
stroma
pinocytosis
RNA polymerase
cytological maps
16. Special transport proteins that generate the voltage gradient across a membrane an example is the Na+-K+ pump restores the electrochemical gradient not only by the active transport of Na+ and K+ setting up a concentration gradien but because it pumps
missense mutations
amino acid
competitive inhibitor
electrogenic pumps
17. Cancerous tumor that is invasive enough to impair function of one or more organs
krebs Cycle
double helix
cholesterol
malignant tumor
18. 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.
binary fission
cotransport
triplet code
ATP
19. A method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway.
crossing over
anaphase
trait
feedback inhibition
20. The production of ATP by noncyclic electron flow.
telomeres
noncyclic phosphorylation
active transport
density dependent inhibitor
21. A reaction in which two molecules become covalently bonded to each other through the loss of a small molecule - usually water; also called dehydration reaction.
condensation reaction
RNA polymerase
purines
peroxisome
22. Phase of cell cycle that includes mitosis and cytokenisis
leading strand
mitotoic phase
cilia
meiosis
23. A chemical or physical agent that interacts with DNA and causes a mutation.
monohybrids
transfer RNA
lysosomes
mutagens
24. Period when cell cycle when cell is not dividing- cell metabolic activity is high - chromsomes and organelles are duplicated and cell size may increase. 90% of cell cycle
hemophilia
Oxidative Phosphorylation
interphase
phagocytosis
25. 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.
stroma
mitochondria
telomeres
noncyclic phosphorylation
26. Double membrane perforated by pores which regulate entry and exit of certain macromolecules and particles
nuclear envelope
plasma membrane
asexual reproduction
amniocentesis
27. Having aversion to water tend to coalesce and form droplets of water
deletion
hydrophobic
template strand
synapsis
28. A dense object lying along the inside of the nuclear envelope in female mammalian cells - representing an inactivated X chromosome.
cell cycle
metaphase
barr body
purines
29. A giant molecule formed by the joining of smaller molecules - usually by a condensation reaction. Polysaccharides - proteins - and nucleic acids are macromolecules.
macromolecule
covalent bonds
dominant allele
acid
30. An organic molecule with a carbonyl group located at the end of the carbon skeleton.
Cell-cell recognition
aldehyde
cofactor
nucleolus
31. The reactant on which an enzyme works
cotransport
centrioles
substrate
energy coupling
32. The electron donor in a redox reaction.
reducing agent
photophosphorylation
anaerobic
epistasis
33. An accident of meiosis or mitosis - in which the members of a pair of homologous chromosomes or sister chromatids fail to move apart properly.
nondisjunction
nucleus
reaction center
protein
34. 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
alternation of generations
centrioles
facilitated diffusion
chloroplast
35. A mutation involving the addition of one or more nucleotide pairs to a gene.
fermentation
pH
desmosome
insertion
36. A measure of the intensity of heat in degrees reflecting molecules average kinetic energy
ketone
temperature
pedigree
chlorophyll A
37. A functional group important in energy transfer.
phosphate group
amniocentesis
chromatin
cellulose
38. A flattened membrane sac inside the chloroplast - used to convert light energy to chemical energy.
cell wall
thylakoids
point mutation
nucleus
39. A long molecule consisting of many similar or identical monomers linked together.
deletion
ultra centrifuges
polymer
trisomic
40. Lacking oxygen; referring to an organism - environment - or cellular process that lacks oxygen and may be poisoned by it.
anaerobic
heterotrophs
cotransport
plasmolysis
41. A method of organizing the chromosomes of a cell in relation to number - size - and type.
chlorophyll B
karyotype
ultra centrifuges
polyribosomes
42. The substance in which animal tissue cells are embedded consisting of protein and polysaccharides.
epistasis
rubisco Ribulose carboxylase
endoplasmic reticulum
extracellular matrix
43. Complete complement of organisms genes; genetic material
duchenne muscular dystropy
capsid
malignant tumor
genome
44. Nuclear division process; prophase - prometaphase - metaphase - anaphase - and telophse
monosomic
mitosis
law of independent assortment
pleiotropy
45. A homogeneous mixture of two or more substance (liquid)
cystic fibrosis
stroma
surface tension
solution
46. A haploid cell such as an egg or sperm. Gametes unite during sexual reproduction to produce a diploid zygote.
genetic recombination
electron transport chain
gametes
genetics
47. A substance that reduces the hydrogen ion concentration of a solution
electrogenic pumps
translation
base
trace elements
48. (1) An atom's central core - containing protons and neutrons. (2) The chromosome-containing organelle of a eukaryotic cell. (3) A cluster of neurons.
induced fit
G1 phase
nucleus
geometric isomers
49. Span the membrane 1. channel proteins which have a hydrophilic channel that certain molecules or ions can use as a tunnel through the membrane (aquaporins facilitate the passage of water through the membrane) 2. carrier proteins bind to molecules and
cytoplasm
adhesion
transport proteins
voltage
50. Dissolving agent of a solution
solvent
interphase
recessive allele
cell plate