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. One of two families of nitrogenous bases found in nucleotides. Adenine (A) and guanine (G) are purines.
ATP
purines
frameshift mutation
proton motive force
2. A phenotypic situation in which the two alleles affect the phenotype in separate - distinguishable ways
codominance
wild type
sexual reproduction
pleiotropy
3. One of several formed bodies with specialized functions - suspended in the cytoplasm of eukaryotic cells.
organelles
monohybrids
insertion
bundle sheath cell
4. The production of ATP by noncyclic electron flow.
turgid (firm)
chloroplast
carbonyl groups
noncyclic phosphorylation
5. The first filial - or hybrid - offspring in a genetic cross-fertilization.
polysaccharides
cell wall
F1 generation
proton pump
6. A nonspontaneous chemical reaction in which free energy is absorbed from the surroundings
condensation reaction
endergonic reaction
phenotype
stroma
7. Typically transmembrane proteins with hydrophobic regions that completely span the hydrophobic interior of the membrane.
fat
variation
turgid (firm)
integral proteins
8. Proteins that facilitate the amount of diffusion)A transport protein in the plasma membrane of a plant or animal cell that specifically facilitates the diffusion of water across the membrane (osmosis).
free energy
polar covalent bonds
crossing over
aquaporins(water channel)
9. The fifth and final subphase of mitosis in which daughter nuclei are forming and cytokenisis actually begins
heat
benign tumor
telophase
spliceosome
10. A phenomenon in which one gene alters the expression of another gene that is independently inherited
genetic recombination
chlorophyll B
epistasis
lysosomes
11. An ion transport protein generating voltage across the membrane.
nondisjunction
density dependent inhibitor
metaphase
electrogenic pump
12. Splits a membrane along the middle of the phospholipid bilayer. When a freeze-fracture preparation is viewed with an electron microscope - protein particles are interspersed in a smooth matrix - supporting the fluid mosaic model.
growth factor
golgi apparatus
freeze-fracture
RNA
13. A mutation occurring when the number of nucleotides inserted or deleted is not a multiple of three - resulting in the improper grouping of the following nucleotides into codons.
acid precipitation
electrochemical gradient
insertion
frameshift mutation
14. A dense object lying along the inside of the nuclear envelope in female mammalian cells - representing an inactivated X chromosome.
linked genes
interphase
barr body
sex linked genes
15. A type of RNA - synthesized from DNA - that attaches to ribosomes in the cytoplasm and specifies the primary structure of a protein.
mRNA
frameshift mutation
hydrolysis
plastids
16. Maintenance of cell shape (compression resisting girders) cell motility organelle and chromosome movement
epistasis
disaccharides
electron
microtubules
17. The disruption of a cell and separation of its organelles by centrifugation.
centrosome
cell fractionation
ligands
peroxisomes
18. A method of organizing the chromosomes of a cell in relation to number - size - and type.
G1 phase
electrogenic pumps
karyotype
polymer
19. 1. Transport of specific solutes into or out of cells. 2. Enzymatic activity - sometimes catalyzing one of a number of steps of a metabolic pathway 3. Signal transduction - relaying hormonal messages to the cell. 4. Cell-cell recognition - allowing o
frameshift mutation
functions of the proteins
bundle sheath cell
pinocytosis
20. One of several atomic forms of an element each containing different number of neutrons and different in atomic mass
anaerobic
RNA splicing
isotopes
flaccid (limp)
21. The parent individuals from which offspring are derived in studies of inheritance; P stands for parental.
chloroplasts
phenotype
phospholipid
P. generation
22. A structural polysaccharide of cell walls - consisting of glucose monomers joined by b-1 - 4-glycosidic linkages.
plasma membrane
cellulose
chlorophyll
CAM
23. A three-dimensional biological polymer constructed from a set of 20 different monomers called amino acids.
sickle cell anemia
protein
gametes
photorespiration
24. An individual with the normal phenotype.
wild type
mesophyll cell
sister chromatids
Integral proteins
25. The protein shell that encloses a viral genome. It may be rod-shaped - polyhedral - or more complete in shape.
solution
peroxisome
capsid
phenotype
26. 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
stroma
Integral proteins
concentration gradient
chemical bonds
27. The diffusion of a substance across a biological membrane
reaction center
character
solvent
passive transport
28. Having two identical alleles for a given trait.
gated channels
missense mutations
gametophyte
homozygous
29. A heritable feature.
gametes
buffers
hydroxyl groups
character
30. A threadlike - gene-carrying structure found in the nucleus. Each chromosome consists of one very long DNA molecule and associated proteins.
chromosomes
covalent bonds
disaccharides
transcription
31. The mating - or crossing - of two varieties.
proton
point mutation
hybridization
monosaccharides
32. A cell containing only one set of chromosomes (n).
chlorophyll
contractile vacuoles
cellulose
haploid cells
33. The subunit that serves as the building block of a polymer.
bound ribosomes
monomer
phagocytosis
fermentation
34. A metabolic pathway that consumes oxygen - releases carbon dioxide - generates no ATP - and decreases photosynthetic output; generally occurs on hot - dry - bright days - when stomata close and the oxygen concentration in the leaf exceeds that of car
photorespiration
unsaturated fatty acid
gated channels
facilitated diffusion
35. A type of endocytosis involving large - particulate substances.
acid precipitation
C3 plants
metaphase
phagocytosis
36. A discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA (or RNA - in some viruses).
cell plate
genes
osmosis
phenotype
37. The amount of heat that must be absorbed lost for one gram of a substance to change its temperature by one degree
glycoproteins
specific heat
electronegativity
ribosomes
38. A type of covalent bond between atoms that differ in electronegativity. the shared electrons are pulled closer to the more electronegative atom. making one slightly negative and the other slightly positive
metastasis
transport vesicles
polar covalent bonds
homologous chromosomes
39. A green pigment located within the chloroplasts of plants. Chlorophyll a can participate directly in the light reactions - which convert solar energy to chemical energy.
hydrocarbons
chlorophyll
peripheral proteins
homologous chromosomes
40. A network of microtubules - microfilaments - and intermediate filaments that branch throughout the cytoplasm and serve a variety of mechanical and transport functions.
cytoskeleton
peripheral proteins
mitochondria
fatty acid
41. A functional group that consists of a nitrogen atom bonded to two hydrogen atoms; can act as a base in solution - accepting a hydrogen ion and acquiring a charge of +1.
mitotoic phase
integral proteins
amino group
hydrophobic
42. A loosely arranged photosynthetic cell located between the bundle sheath and the leaf surface.
mesophyll cell
RNA splicing
monohybrids
asexual reproduction
43. Molecules that are mirror images of each other.
photophosphorylation
enantiomers
surface tension
homozygous
44. 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.
functional groups
telomeres
cytoplasm
tetrad
45. The entire contents of the cell - exclusive of the nucleus - and bounded by the plasma membrane.
cytoplasm
thermodynamics
electron microscope
collagen
46. A flattened membrane sac inside the chloroplast - used to convert light energy to chemical energy.
anion
chlorophyll B
thylakoids
lysosomes
47. An organic molecule possessing both carboxyl and amino groups. Amino acids serve as the monomers of proteins.
membrane potential
amino acid
substrate
photorespiration
48. A genetic map based on the frequencies of recombination between markers during crossing over of homologous chromosomes. The greater the frequency of recombination between two genetic markers - the farther apart they are assumed to be. See also geneti
linkage map
flaccid (limp)
Integral proteins
reducing agent
49. A stacked portion of the thylakoid membrane in the chloroplast. Grana function in the light reactions of photosynthesis
grana
glycoproteins
wavelength
gated channels
50. A noncoding - intervening sequence within a eukaryotic gene.
introns
transformation
nondisjunction
wavelength
Sorry!:) No result found.
Can you answer 50 questions in 15 minutes?
Let me suggest you:
Browse all subjects
Browse all tests
Most popular tests
Major Subjects
Tests & Exams
AP
CLEP
DSST
GRE
SAT
GMAT
Certifications
CISSP go to https://www.isc2.org/
PMP
ITIL
RHCE
MCTS
More...
IT Skills
Android Programming
Data Modeling
Objective C Programming
Basic Python Programming
Adobe Illustrator
More...
Business Skills
Advertising Techniques
Business Accounting Basics
Business Strategy
Human Resource Management
Marketing Basics
More...
Soft Skills
Body Language
People Skills
Public Speaking
Persuasion
Job Hunting And Resumes
More...
Vocabulary
GRE Vocab
SAT Vocab
TOEFL Essential Vocab
Basic English Words For All
Global Words You Should Know
Business English
More...
Languages
AP German Vocab
AP Latin Vocab
SAT Subject Test: French
Italian Survival
Norwegian Survival
More...
Engineering
Audio Engineering
Computer Science Engineering
Aerospace Engineering
Chemical Engineering
Structural Engineering
More...
Health Sciences
Basic Nursing Skills
Health Science Language Fundamentals
Veterinary Technology Medical Language
Cardiology
Clinical Surgery
More...
English
Grammar Fundamentals
Literary And Rhetorical Vocab
Elements Of Style Vocab
Introduction To English Major
Complete Advanced Sentences
Literature
Homonyms
More...
Math
Algebra Formulas
Basic Arithmetic: Measurements
Metric Conversions
Geometric Properties
Important Math Facts
Number Sense Vocab
Business Math
More...
Other Major Subjects
Science
Economics
History
Law
Performing-arts
Cooking
Logic & Reasoning
Trivia
Browse all subjects
Browse all tests
Most popular tests