SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
MCAT Biology 3
Start Test
Study First
Subjects
:
mcat
,
science
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. Responsible for cellular movments like contraction - crawling - pinching during division or cytosis - and formation of cellular extensions
Purines (identify)
Purines (characteristics)
Transport disaccharides (reasoning)
Actin (functions in cytoskeleton)
2. (CH2O)n - n = number of carbon atoms
Collagen
Amino acid (composition)
Carbohydrates (empirical formula)
Centrosome
3. Eukaryotic cell's internal protein scaffold which provides structural support and is extremely important for organizing the cell's activites; a dynamic system that is constantly forming and disassembling
Domains
Hydrocarbons
Cytoskeleton
Fat (characteristics)
4. A common feature of porin proteins; beta sheets that forma characteristic motif where the sheets form a barrel - like structure
Purines (characteristics)
Methanogens
Beta barrel
Intermediate filaments
5. Proteins - lipids - carbohydrates - nucleic acids
Desmosomes
Anchoring junction
Major categories of macromolecules
Adherins junctions
6. Chlorophyll containing bacteria that played an important role in increasing the concentration of oxygen
Cyanobacteria
Pinocytosis
Phospholipid (composition)
Penicillin (mechanism of action)
7. Energy cannot be created or destroyed
Domains
First law of thermodynamics
Motifs
Bacteriorhodopsin
8. A glucose ring formed with the hydroxyl group in the opposite plane of the methanol group
Alpha glucose ring
Miller - Urey experiment
Amylopectin
Carbohydrates (empirical formula)
9. The inward movement of one molecule is coupled with the outward movement of another (across the cell membrane)
Bacteriorhodopsin
Major categories of macromolecules
Countertransport
Kinesin
10. Glycerol attached to a phosphate group and two fatty acid chains
Joule <--> Calorie (conversion)
Nucleolus
Phospholipid (composition)
Pyrimidines (characteristics)
11. The DNA found in cells which transmits hereditary information from one generation to the next; in prokaryotes it is a single naked circle of DNA; in eukaryotes it is a single strand of DNA complexed with protein
Plastids
Pyrimidines (characteristics)
Flagellum
Chromosome
12. 7 pass transmembrane protein in bacteria that carries out photosynthesis
Major categories of macromolecules
5 classes of amino acids
Aromatic amino acids
Bacteriorhodopsin
13. Glycoprotein that attaches the ECM to the plasma membrane
Gram positive bacteria
Peptide bond
Phosphdiester bond
Fibronectin
14. Catalysis (enzymes) - Defense/recognition (immune and hormonal systems) - Transport (eg hemoglobin) - Support (eg collagen) - Motion (actin and myosin) - Regulation (hormones) - Storage (eg bound calcium and iron)
Monosaccharide
Motifs
Functions or proteins
Plastids
15. Glycerol attached to 3 fatty acids. Also called triglyceride or triacylglycerol
Fat (composition)
Major categories of macromolecules
Plastids
Integrins
16. Adenine and Guanine
Nonpolar amino acids
Purines (identify)
Actin (functions in cytoskeleton)
Glycogen
17. Simple sugars are turned into disaccharides so they can be transported without being metabolized (typically in plants). The enzymes that can break the bond and utilize the sugar are typically present only where the glucose is to be used.
C - H - O - N - S
Transport disaccharides (reasoning)
Pinocytosis
Starch
18. Large - membrane bound sac in plant cells that stores proteins - pigments - and waste material
Integrins
Plasmodesmata
Prokaryote
Central vacuole
19. A form of endocytosis where an animal cell engulfs liquid matter
Plastids
Fat (composition)
Pinocytosis
Starch
20. Components of cytoskeleton
Tertiaty level of protein structure
Actin - microtubules - intermediate filaments
Kinesin
Fibronectin
21. Consist of a central carbon bound to an amino group - a carboxylic acid - a hydrogen atom - and an R group
Integrins
Amino acid (composition)
Peptidoglycan
Bacteria
22. Nonpolar - polar uncharged - charged - aromatic (nonpolar and polar uncharged) - special function
Extreme halophiles
Amino acid (composition)
5 classes of amino acids
Amylopectin
23. 5- carbon sugar - adenine - and a tri - phosphate group
Starch
Beta barrel
Glycosidic bond
ATP (composition)
24. A protein cross - linked carbohydrate that is a key compound in the cell walls of most modern prokaryotes (bacteria)
Extreme thermophiles
First law of thermodynamics
DNA (location)
Peptidoglycan
25. A semi - fluid matrix that fills the interior of the cell
Cytoplasm
Purines (characteristics)
Bacteria
Fatty acid
26. Long - threadlike structures protruding from the surface of a cell that are used for locomotion
Glycoproteins
Extreme halophiles
Nucleolus
Flagellum
27. Composed of connexons; creates a channel that connects the cytoplasm of two cells
Proteoglycans
Dehydration synthesis
Purines (identify)
Gap junction
28. Simplest starch which is a long unbranching chain of glucose molecules
Anchoring junction
Hydrocarbons
Amylose
Spectrin
29. The exact sequence of amino acids specified by DNA
Cytoskeleton
Domains
Primary level of protein structure
Tight junctions
30. Small single - celled organisms that lack a definite nucleus and distinct interior compartments; they are encased within a rigid cell wall. Two main groups are archaebactera and bacteria
Middle lamella
Prokaryote
Disaccharide
First law of thermodynamics
31. The sugar in RNA contains an extra hydroxyl group and RNA uses uracil instead of thymine
Adherins junctions
Functions or proteins
Actin (functions in cytoskeleton)
Differences between RNA and DNA
32. Energy rich molecules that consist only of carbon and hydrogen
Hydrocarbons
Miller - Urey experiment
Carbohydrates (empirical formula)
Amylopectin
33. A group of about 20 lipids that are modified fatty acids - 5- carbon ring w/ 2 nonpolar tails.
Extracellular matrix
Extreme halophiles
Dehydration synthesis
Prostaglandin
34. Alanine - Valine - Leucine - Isoleucine
Nonpolar amino acids
Secondary level of protein structure
Antiport
Pyrimidines (characteristics)
35. The animal version of starch. An insoluble polysaccharide containing branched amylose chaings. (chain length is much greater than starch and there are more branches)
Charged amino acids
Glycogen
Anchoring junction
Special function amino acids
36. Two scientists attempted to reproduce the condition of the (assumed) earth's primitive ocean's under a reducing atmosphere. They produced some of the key molecules to life (amino acids and nucleotides).
Dehydration synthesis
Tertiaty level of protein structure
Spectrin
Miller - Urey experiment
37. The bond between two amino acids. Non - rotational because it has partial double - bond characteristics
Motifs
Spectrin
Peptide bond
Extreme thermophiles
38. Adenine --- Thymine (DNA) - Adenine --- Uracil (RNA) - Guanine --- Cytosine
Primary cell wall
Chitin
Extreme thermophiles
Complimentary bases
39. A network of integrins that connects the actin filaments of one cell with those of neighboring cells or with the extra cellular matrix
Adherins junctions
xtrusion
Plastids
Antiport
40. A hydrocarbon chain that terminates with a carboxyl group.
Extreme halophiles
Keratin
Carbohydrates (empirical formula)
Fatty acid
41. Glutamic acid - Aspartic acid - Histidine - Lysine - Argenine
Charged amino acids
First law of thermodynamics
Special function amino acids
Prokaryote
42. The manner in which all macromolecules are assembled -- water is a product of the reaction
Phosphdiester bond
Dehydration synthesis
Cellulose
Methanogens
43. The region surrounding a pair of centrioles
Denaturation
Peptide bond
Extracellular matrix
Centrosome
44. Methane - producing archaebacteria - one of the most primitive archaebacteria that are alive today
Phospholipid (composition)
Archaebacteria
Purines (identify)
Methanogens
45. A combination of secondary structure bonding that forms characteristic patterns within protein strucure - such as the alpha - helix and the beta - pleated sheet
Cytoplasm
Secondary cell wall
Starch
Motifs
46. Function section of a protein that is able to fold independently of the other sections - encoded by exons (functional sections of a gene)
Beta barrel
ATP (composition)
Anchoring junction
Domains
47. 1 joule = 0.239 calories
Joule <--> Calorie (conversion)
Starch
Beta barrel
5 classes of amino acids
48. A special motor protein that moves along the microtubule toward the negative end; responsible for rentrograde axoplasmic transport
Intermediate filaments
Starch
Dynein
Chaperone proteins
49. Glycine - Serine - Threonine - Asparagine - Glutamine
Fat (characteristics)
Polar uncharged amino acids
Aromatic amino acids
Chaperone proteins
50. A sticky substance that acts as a glue between the primary cell walls of plant cells
Countertransport
5 classes of amino acids
Centrosome
Middle lamella
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