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. Asexual 1. Doesn't need a mate 2. Maintains adaptive genes 3. All kids asexual (able to reproduce) V.S. Sexual 1. Repairs damaged DNA 2. Elimination of deleterious mutations (asexual makes exact copies) 3. Greater genetic variation (genetic combinati
Epithelial tissue
Heterochrony
Sexual recombination vs asexual reproduction
Gene pool
2. Q10= Rt/Rt-10 (rate of process or reaction - and rate at 10 degreed celcius lower)-- If not sensititve - Q10 is usually 1 - generally between 2 and 3
Genome size
Molecular Evolution
Temperature sensitivity
Gene pool
3. 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
Heterotherms
Gene duplication
Endotherms
4. Refers to all the bodily activities and chemical reactions in an organism that maintain life
Artificial selection
Gluconeogenesis
Negative feedback
Metabolism
5. Cluster of interconnected fenestrated capillaries - supplied by afferent arteriole - drained by efferent arteriole - podocytes form filatration slits
Glomerulus
Glycogenolysis
Glomerular Filtration Rate
Positive feedback
6. 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
7. Liver converts no carbs into glucose (lipolysis-fatty acids and glycerol to glucose)
Endemic
Gluconeogenesis
Honest signal
Osmolarity
8. What organisms look like and how they behave
Dobzhansky Muller Model
Thermoneutral zone (TNZ)
Founder effect
Phenotype
9. Daily decline of body temp to save energy (bouts of torpor last mustiple days in hibernation)
Electrolytes
Daily torpor
Fever
Honest signal
10. Proportion of allele in population
Macroevolution
Allele frequency
Qualitative
Insulin
11. Produced in adipose tissue in proportion to fat mass - leptin reduces appetite through hypothalamus (increases BMR). Decrease in leptin decreases BMR - increases appetite
Antidiuretic hormone
Silent substitution
Leptin
Lipoprotein lipase
12. Like in butterfly - often give organism an survival and mating advantage-- however homozygotes will always exist as children of heterozygotes
Heterozygote populations
Gene pool
Genotype frequency
Aldosterone
13. Human based selection (ie cows with more milk or high fat content)
Non shivering thermogensis
Artificial directional selection
Neutral Theory
Sexual selection
14. High denisty of mitochodira abnd blood vessels (good at non shivering thermogensis)
Intracellular fluid
Darwin's book
Brown fat
Size in BMR
15. Generate their own heat - maintain relatively constant body temperature - BMR measured in thermoneutral zone (birds and mammals)
Endotherms
Positive feedback
Basal Metabolic Rate
Feedforward information
16. Favors the mean - selection against any deleterious mutations (baby size)
Qualitative
Stabilizing Selection
Macroevolution
Size in BMR
17. In ECM - protein fibers makeup cartilage and bone (mineralized) - ECM of plasma liquid - Adipose=fat cells - energy storing
Glomerulus
Excretory system functions
Connective tissue
Disruptive selection
18. Humans do this through clothing
Thermal insulation
Kidney
Satiation
Obesity
19. Insects have these which transport uric acid - postassium ions and sodium ions into tubules - but ercovers water (allows insects to live in dry environments
Post absorptive stage
Evaporation
Malpighian tubules
Heterotherms
20. Proportion of allele in population
Heterotopy
Mutation
Satiation
Allele frequency
21. BMI of 30 or greater
Habitat
Absorbed amino acids
Obesity
Population density
22. A sudden change to population that causes large changes in allele frequencies over time ie population bottleneck
Genotype frequency
Orthologs
Population size
Genetic Drift
23. Creates new genes by inserting exons and flanking introns into a different gene sequence - there by introducing a new domain in the gene product
Daily torpor
Evolutionary trend
Exon shuffling
Genotype frequency
24. 2NAA + NAa/2N is p and 2aa + NAa/2N is q (however similar frequencies can have very different genotype frequencies)
Genetic Drift
Metabolism
Founder effect
Allele frequency formula
25. Most of the water in an animal's body located within its cells
Ectotherms
Metabolism
Intracellular fluid
Interstitial fluid
26. Amount of fuel used during a given time to power all of its metabolic requirement - = MR - sometimes appears as heat
Energy expenditure
Habitat
Heat budget equation
Daily torpor
27. Bicarbonate ions (Co2+H2O= h2Co3= H+ + HCO3-) Co2 removed by lungs - H+ removed by urine
Selfing
Negative feedback
Molecular Evolution
Major blood buffer
28. 1. Must consume more food - run risk of overheating (hyperthermia) - restricted to water plentiful environments
3 disadvantages of endotherms
Conduction
Hypothalamus
Feedforward information
29. Excrete ammonia
Nucleotide Substitution
Psuedogenes
Allele frequency
Ammonotelic
30. If directional selection occurs for generations - however can be stopped due to change in environment or when optimal phenotype reached (then stabilizing)
Fever
Muller's Ratchet
Evolutionary trend
Gene Flow
31. Heat transfers to a surrounding medium ie air or water via surface
Gluconeogenesis
Deleterious
Convection
Homeostasis
32. 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)
Calorie
Genetic structure
Why Hardy Weinberg is Important
Individuals do not evolve
33. Functional unit of kidney - millions per - renal corpuscle forms filtrate - tubule performs secretion and reabsorption
Nephron
Gluconeogenesis
Daily torpor
Artificial directional selection
34. Cells or organisms having two sets of chromosomes
Nucleotide Substitution
Dehydration
Diploid
Other guy who came up with natural selection
35. Amount of heat required to raise the temperature of 1 gram of water 1 degree Celsius
Mutation
Gene Flow
Individuals do not evolve
Calorie
36. Time (duration gene active) eg dolphin flipper
Natural selection
Excess Glucose
Non shivering thermogensis
Heterochrony
37. The creation of bimodal distribution (both extremes favored) ie Bird bills
Disruptive selection
Heterotopy
Aldosterone
Insulin
38. 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
Glucose Transporters
Population size
Kidney
Qualitative
39. Change on scale at or above species - changes in separate gene pools
Macroevolution
Vasa recta
Satiation
Vestigial structures
40. Native to one location and no where else
Adaptation
Muller's Ratchet
Endemic
Electrolytes
41. Major cell movement - 3 germ layers form
Conduction
Absorptive phase
Gastrulation
MR equation
42. Region where species are found (densities are zero elsewhere)
Insulin
Geographic Range
Interstitial fluid
Quantitative
43. Neurons (generate and conduct electrical signals) and glial cells (release chemical signals)
Vasa recta
Nervous tissue
Lower critical temperature
Habitat patches
44. Location (pelvis in fish)-- Where gene effects - BMP4 causing webs to apoptosis
Heterotopy
Behavioral thermoregulatory adaptation
Why Hardy Weinberg is Important
Temperature sensitivity
45. 1. Most variation caused by neutral changes - do not confer advantage or disadvantage. 2. Since netural mutation is constant - can be used as a molecular clock to calculate divergence btwn species. 3. Neutral mutations not dependent on population siz
Natural selection
Lateral gene transfer
Post absorptive stage
Neutral Theory
46. When an organisms phenotype influences ability to attract mates
Psuedogenes
Fever
Acclimatization
Sexual selection
47. Stored as either glycogen in liver or as triglycerides
Missense Substitution
Muscle tissue
Non shivering thermogensis
Excess Glucose
48. Harmful mutation
Genetic structure
Deleterious
Neutral Theory
Microevolution
49. Maintenance of stable conditions within the internal environment (temperature - PH level - ion concentrations - 02 levels - co2 levels - fuel molecules ie glucose)
Leptin
Homeostasis
Excretory system functions
Other guy who came up with natural selection
50. Environments where species can survive within their geographic range
Molecular Evolution
Habitat
Sexual recombination vs asexual reproduction
Excretory system functions