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. 2NAA + NAa/2N is p and 2aa + NAa/2N is q (however similar frequencies can have very different genotype frequencies)
Sexual selection
Allele frequency formula
Evaporation
Osmoconformers
2. Refers to all the bodily activities and chemical reactions in an organism that maintain life
Metabolism
3 disadvantages of endotherms
Satiation
Convection
3. Cover inner and outer surface areas - secrete substances - selective barriers - transport - cilia or sensory
Vestigial structures
Epithelial tissue
Heat budget equation
Osmolarity
4. Amount of heat required to raise the temperature of 1 gram of water 1 degree Celsius
Excess Glucose
Microevolution
Calorie
Malpighian tubules
5. Thermostat of the brain (when cooled - constricts blood vessels in skin and increases metabolic heat production= body temp increases)
Microevolution
Silent substitution
Epithelial tissue
Hypothalamus
6. Glycogen hodrolysis in liver
Sexual selection
Other guy who came up with natural selection
Daily torpor
Glycogenolysis
7. Favors the mean - selection against any deleterious mutations (baby size)
Three theories of Darwin
Brown fat
Stabilizing Selection
Tubule
8. Change salt water balance: 1. respiration - 2. metabolism - 3. waste elimination - 4. food ingestion 5. body temperature regulation
Major blood buffer
Obligatory Exchanges
Other guy who came up with natural selection
Reabsorption
9. Generate their own heat - maintain relatively constant body temperature - BMR measured in thermoneutral zone (birds and mammals)
Hypoglycemia
Endotherms
Phenotype
Glomerulus
10. Allow individual genes - organelles or fragments of genomes to move horizontally from one lineage to another (virus take genes from one host to new host or mitochondria/chloroplasts)
Lateral gene transfer
Brown fat
Disruptive selection
Gene duplication
11. The body's resting rate of energy expenditure
Antidiuretic hormone
Thermoneutral zone (TNZ)
Basal Metabolic Rate
Loop of Henle
12. 1. Filtration 2. Reaborption 3. Secretion (Kidney can perform well with only 10% of nephrons functioning)
Habitat
Tubule
Excretory organs
Artificial selection
13. Maintenance of stable conditions within the internal environment (temperature - PH level - ion concentrations - 02 levels - co2 levels - fuel molecules ie glucose)
Population
Thermal insulation
Homeostasis
Mutation
14. Major cell movement - 3 germ layers form
Macroevolution
Nephron
Radiation
Gastrulation
15. Main excretory organ of vertebrates: 1. specialized tubules of epithelial cell - 2. salt and water homeostasis - 3. Nitrogeneous waste elimination 4.Renal cortex= filtration - renal medulla = filtration concentrated 5. milions of nephrons
Kidney
Radiation
Genotype frequency
Ectotherms
16. A sudden change to population that causes large changes in allele frequencies over time ie population bottleneck
3 germ layers
Gene Flow
Natural selection
Genetic Drift
17. Different form of a gene
Hardy Weinberg equilibrium
Leptin
Alleles
Gene Flow
18. Found in many animals and prevents cancer - an ortholog
Quantitative
P53
Hardy Weinberg equilibrium
Muscle tissue
19. 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)
Genome size
Convection
Selfing
Reabsorption
20. Cells or organisms having two sets of chromosomes
Heterotopy
Stabilizing Selection
3 germ layers
Diploid
21. Location (pelvis in fish)-- Where gene effects - BMP4 causing webs to apoptosis
Heterotopy
Muller's Ratchet
Quantitative
Dehydration
22. Insects have these which transport uric acid - postassium ions and sodium ions into tubules - but ercovers water (allows insects to live in dry environments
Stabilizing Selection
Geographic Range
Nephron
Malpighian tubules
23. 20%of plasma leaves capillaries and filters into bowman's space. GFR= Rate of filtrate production (controlled by dilation and constriction of afferent arteriole)
Artificial selection
Chief monomers absorbed
Glomerular Filtration Rate
Leptin
24. MR= K(Tb-Ta) K is the slope of thermal conductancce - how readily the animal loses heat
Lower critical temperature
Vasa recta
MR equation
Genetic Drift
25. Proportion of genotype in population
Genotype frequency
Absorbed triglycerides
Conduction
Malpighian tubules
26. Like in butterfly - often give organism an survival and mating advantage-- however homozygotes will always exist as children of heterozygotes
Excretory system functions
Heterotherms
Muller's Ratchet
Heterozygote populations
27. Number of individuals per unit of area/volume (dynamic - change over time)
Neutral Theory
Nephron
Population density
Temperature sensitivity
28. Secrete penicillin - toxins - K+ and H+
Heterozygote populations
Disruptive selection
Secretion
Daily torpor
29. Does not change the encoded amino acid. Occurs at highest rate (also synonymous substitution)
Silent substitution
Lower critical temperature
Major blood buffer
Sexual selection
30. Taken up by all body cells - used to synthesize proteins - excess converted into fatty acids and then triglycerides
Absorbed amino acids
Osmoregulators
Chief monomers absorbed
Orthologs
31. Functional unit of kidney - millions per - renal corpuscle forms filtrate - tubule performs secretion and reabsorption
Basal Metabolic Rate
Nephron
Secretion
Selfing
32. Deleterious mutations in a non-recombining genome accumulate at each replication (asexual reproductivity)
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
33. Excrete ammonia
Major blood buffer
Ammonotelic
Antidiuretic hormone
Absorbed triglycerides
34. Native to one location and no where else
Major blood buffer
Absorbed triglycerides
Connective tissue
Endemic
35. Several loci
Thermal insulation
Genotype frequency
Genetic structure
Quantitative
36. Wallace
Individuals do not evolve
Evaporation
Other guy who came up with natural selection
Hardy Weinberg equilibrium
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
Gene Flow
Hardy Weinberg equilibrium
Nonsynonymous vs synonymous
Heterochrony
38. Environments where species can survive within their geographic range
Evolutionary trend
Meiosis
Gene pool
Habitat
39. 1. Must consume more food - run risk of overheating (hyperthermia) - restricted to water plentiful environments
Thermoneutral zone (TNZ)
3 disadvantages of endotherms
Size in BMR
Aldosterone
40. Some animals move around to increase decrease temperature (pray themselves with water/dust - find shade - put on clothing)
Feedforward information
Antidiuretic hormone
Behavioral thermoregulatory adaptation
Molecular Evolution
41. 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
Bowman's capsule
Absorptive phase
Heterozygote populations
Gene duplication
42. Allow extracellular fluid to equilibrate with seawater
Gene pool
Quantitative
Negative feedback
Osmoconformers
43. Changes at the DNA - RNA and protein scale
MR equation
Molecular Evolution
Satiation
Brown fat
44. 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)
Aldosterone
Energy expenditure
Insulin
Reabsorption
45. Heat transfer when two objects come into direct contact (icepack on sprained ankle)
Obligatory Exchanges
Cold fish vs hot fish
Connective tissue
Conduction
46. Too large to diffuse across plasma membrane so they are digested into monoglycerides and fatty acids - diffused through epithelial cells - re-synthesized into triglycerides - packaged into chylomicrons for lymph & blood transport
Major blood buffer
Absorbed triglycerides
Ketones
Secretion
47. Low glucose level in blood
Hypoglycemia
Habitat patches
Allele frequency formula
Satiation
48. Blood into dialyzer (acts as filtrater) to create artificaill countercurrent exchange system
Individuals do not evolve
Hypoglycemia
Hemodialysis
Major blood buffer
49. The Origin of Species 1859
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
50. Short term control of feeding - stretch receptors in stomach and small intestines sens signals to the brain - realease hormones to supress appetite
Satiation
Osmolarity
Allele frequency
Alleles