SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Bio 101: Harvard
Start Test
Study First
Subjects
:
science
,
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. Copies of genes that are no longer functional
Kidney
Psuedogenes
Non shivering thermogensis
Heterozygote populations
2. In ECM - protein fibers makeup cartilage and bone (mineralized) - ECM of plasma liquid - Adipose=fat cells - energy storing
Radiation
Adaptation
Connective tissue
Gene Flow
3. Several loci
Quantitative
Size in BMR
Artificial selection
Hardy Weinberg equilibrium
4. Refers to all the bodily activities and chemical reactions in an organism that maintain life
Absorbed triglycerides
Metabolism
Convection
Population
5. Time (duration gene active) eg dolphin flipper
Population size
Lower critical temperature
Gene duplication
Heterochrony
6. Insects have these which transport uric acid - postassium ions and sodium ions into tubules - but ercovers water (allows insects to live in dry environments
Gene duplication
Cold fish vs hot fish
Malpighian tubules
Neutral Theory
7. Human based selection (ie cows with more milk or high fat content)
Artificial directional selection
Behavioral thermoregulatory adaptation
Conduction
Daily torpor
8. Minerals that carry electrical charges that help maintain the body's fluid balance - imbalance can alter membrane potentials/disrupt cell activities
Electrolytes
Habitat patches
Osmolarity
Basal Metabolic Rate
9. BMI of 30 or greater
Habitat
Artificial directional selection
Diploid
Obesity
10. Stable temperatures
Cold fish vs hot fish
Nucleotide Substitution
Radiation
Homeotherms
11. Native to one location and no where else
Disruptive selection
Temperature sensitivity
Electrolytes
Endemic
12. Lack of water --> lack of body water - compromises the circulatory system and regulation of body temperature
Alleles
Absorbed triglycerides
Dehydration
Leptin
13. Heat transfers to a surrounding medium ie air or water via surface
Convection
Hemodialysis
Orthologs
3 germ layers
14. Development of offspring from unfertilized eggs
Acclimatization
Dobzhansky Muller Model
Other guy who came up with natural selection
Excretory organs
15. Ability to compete for mates
Intrasexual Selection
Hemodialysis
Nucleotide Substitution
Genetic structure
16. Two or more homologous genes found in different species
Natural selection
Orthologs
Dobzhansky Muller Model
Heterotopy
17. 1. If equal - then amino acid residue drifting neutrally 2. If nonsynon higher than sysnon - positive selection causing change in amino acid residue 3. If sysnon higher than nonsynon then purifying selection resisting change in amino acid residue (ly
Nonsynonymous vs synonymous
Intrasexual Selection
Satiation
Evolutionary trend
18. Total number of individuals in a population
Population size
Glomerular Filtration Rate
Glomerulus
Fever
19. Total number of individuals in a population
Metabolic rate
Glomerulus
Population size
Habitat patches
20. A sudden change to population that causes large changes in allele frequencies over time ie population bottleneck
Calorie
Genetic Drift
Calorie
Psuedogenes
21. Allow extracellular fluid to equilibrate with seawater
Nervous tissue
Osmoconformers
Electrolytes
Secretion
22. Human based selection (ie cows with more milk or high fat content)
Artificial directional selection
Major blood buffer
Missense Substitution
Calorie
23. Made by pancreas - binds to cell surface receptor and stimulates singaling pathway - faciliates glucose diffusion into cell (secretion rises when blood glucose rises - eating - or parasympathetic stimulation ie negative feedback)
Secretion
Insulin
Excretory system functions
Individuals do not evolve
24. Copies of genes that are no longer functional
Intracellular fluid
Psuedogenes
Mutation
Intrasexual Selection
25. 1. If equal - then amino acid residue drifting neutrally 2. If nonsynon higher than sysnon - positive selection causing change in amino acid residue 3. If sysnon higher than nonsynon then purifying selection resisting change in amino acid residue (ly
Glycogenolysis
Genotype frequency
Nonsynonymous vs synonymous
Cold fish vs hot fish
26. Favors the mean - selection against any deleterious mutations (baby size)
Missense Substitution
Stabilizing Selection
Macroevolution
Evaporation
27. Thermostat of the brain (when cooled - constricts blood vessels in skin and increases metabolic heat production= body temp increases)
Ectotherms
Darwin's book
Secretion
Hypothalamus
28. 1. Both copies retain original function 2. Both copies able to produce original gene product - but expression diverges in different tissues or at different times in development 3. One copy may become psuedogene 4. One copy maintains function and seco
Daily torpor
Habitat
Alleles
Gene duplication
29. A favored trait that evolves through natural selection (more organisms with that trait survive than those without)
Osmolarity
Orthologs
Adaptation
Macroevolution
30. Does not change the encoded amino acid. Occurs at highest rate (also synonymous substitution)
Silent substitution
Bowman's capsule
Non shivering thermogensis
Geographic Range
31. If directional selection occurs for generations - however can be stopped due to change in environment or when optimal phenotype reached (then stabilizing)
Homeostasis
Evolutionary trend
Dobzhansky Muller Model
Major blood buffer
32. 1. Filtration 2. Reaborption 3. Secretion (Kidney can perform well with only 10% of nephrons functioning)
Leptin
Excretory organs
Nonsynonymous vs synonymous
Absorbed amino acids
33. Thermostat of the brain (when cooled - constricts blood vessels in skin and increases metabolic heat production= body temp increases)
Bowman's capsule
Metanephridia
Why Hardy Weinberg is Important
Hypothalamus
34. Hot fish have arteries closer to muscle to warm blood (countercurrent heat exchanger)- allows them to swim faster - catch prey
Reabsorption
Cold fish vs hot fish
Leptin
Conduction
35. Below TNZ must increase metabolic heat production (shivering increase four times above BMR)
Deleterious
Lower critical temperature
Evolutionary trend
Silent substitution
36. Pxp is genotype for AA qxq is genotype for aa and pq is heterozygotes - model shows scientists what mechanisms are causing evolution (p+q=1 and p2 + 2pq+q2=1)
Temperature sensitivity
Phenotype
Excretory system functions
Why Hardy Weinberg is Important
37. 1. No mutation 2. No differential selection among genotypes 3. There is no gene flow 4. Population size is infinite 5. Mating is random
Lipoprotein lipase
Nucleotide Substitution
Genetic structure
Hardy Weinberg equilibrium
38. 2/3 of all useful solute reabsorbed ie Na+ - K+ - Cl- - HCO3- - organic molecule - glucose - amino acids (TRANSPORT MAXIMUM based on saturatino of membrane transport proteins)
Reabsorption
Exon shuffling
Cold fish vs hot fish
Diploid
39. Tissues other than skeletal muscles produce metabolic heat by uncoulping oxidative phosphorylation (burn fuel without producing ATP)
Osmolarity
Non shivering thermogensis
Honest signal
Natural selection
40. One loci
Acclimatization
Qualitative
Cold fish vs hot fish
Antidiuretic hormone
41. 1. Filtration 2. Reaborption 3. Secretion (Kidney can perform well with only 10% of nephrons functioning)
Excretory organs
Molecular Evolution
Conduction
Homeostasis
42. Native to one location and no where else
Endemic
Habitat patches
Gene pool
Insulin
43. MR= K(Tb-Ta) K is the slope of thermal conductancce - how readily the animal loses heat
Allele frequency
Silent substitution
Intracellular fluid
MR equation
44. Change on scale at or above species - changes in separate gene pools
Geographic Range
Artificial directional selection
Glomerulus
Macroevolution
45. Occurs when ingested nutrients enter the blood stream from the GI tract
Absorptive phase
Absorbed amino acids
Silent substitution
Excretory system functions
46. Amount of fuel used during a given time to power all of its metabolic requirement - = MR - sometimes appears as heat
Energy expenditure
Osmolarity
Lateral gene transfer
Excretory system functions
47. Heat transfer when two objects come into direct contact (icepack on sprained ankle)
Alleles
Absorbed amino acids
Conduction
Absorptive phase
48. Heat transfers to a surrounding medium ie air or water via surface
Convection
Tubule
Missense Substitution
Heterotherms
49. Much of variation in size lies in non coding DNA as opposed to functional genes. Also in large populations - slightly deleterious sequences more likely to be purged than in small size (thus more noncoding DNA in large population over small)
Genome size
Habitat patches
Honest signal
Glycogenolysis
50. Shifts mean towards one extreme (positive selection) ie long horned cows
Metabolism
Connective tissue
Directional selection
Selfing
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