Grand BIO130 test

09 Jun Grand BIO130 test

Question
Art, theology, and philosophy are non-sciences because they:

a. are not worthwhile fields of study.

b. are basically untrue.

c. deal with things that cannot be tested by the scientific method.

d. are bodies of knowledge too small to qualify as science.

2. The electron transport system uses __________ atoms.

a. hydrogen

b. carbon

c. nitrogen

d. all of the choices apply

3. A gene that can be masked by another gene is called:

a. pleiotropy.

b. dominant.

c. incompletely dominant.

d. recessive.

4. A community:

a. is a population living in a certain habitat.

b. is a portion of a species making its home within a certain habitat.

c. includes those animals that only visit a habitat for food and drink.

d. includes all organisms that interact with one another within a local area.

5. The cardiovascular system includes all of the following, except:

a. heart.

b. vessels.

c. lymph.

d. blood.

6. Chewing is important because it:

a. alters the food chemically.

b. adds enzymes that cause starch, proteins, and fats to begin to be broken down.

c. increases the surface area exposed to the action of enzymes.

d. is required by your mother.

7. A population with five males and five females is an example of:

a. age distribution.

b. gene flow.

c. sex ratio.

d. reproductive capacity.

8. Humans have the diploid number of chromosomes, 2n = 46. This also indicates that humans:

a. have two genomes.

b. are more intelligent than worms.

c. have at least two genotypes that can result from fertilization.

d. have 23 chromosomes that are necessary for life.

9. Carbohydrates can be converted into:

a. glycerol.

b. fatty acids.

c. amino acids.

d. all of the choices apply.

10. All chemical reactions:

a. involve the creation of new atoms.

b. involve a change in chemical bonds.

c. are dangerous.

d. create energy.

11. The substrate is:

a. the material changed by an enzyme.

b. a coenzyme.

c. the material formed by an enzyme.

d. always a protein.

12. This occurs when there is a problem with controlling how cells divide and replace themselves.

a. Crossing over

b. Nondisjunction

c. Cancer

d. Death

13. The living organism that provides nutrients for a parasite is the:

a. prey.

b. host.

c. predator.

d. scavenger.

14. __________ are not considered microorganisms.

a. Yeast cells

b. Bacteria

c. Protozoa

d. Insects

15. The behavior of animals is under the control of:

a. the endocrine system.

b. the nervous system.

c. both the nervous system and the endocrine system.

d. neither the nervous system nor the endocrine system.

16. Currently, the human population of the world:

a. has reached its carrying capacity.

b. is stable.

c. is declining in much of the world.

d. is increasing rapidly.

17. Plants that are exactly alike genetically are:

a. homozygous.

b. mutants.

c. clones.

d. highly genetically diverse.

18. The production of ATP occurs:

a. as hydrogen ions move across membranes.

b. in chloroplasts.

c. in mitochondria.

d. in all of these choices.

19. AgNO3 + NaCl AgCl + NaNO3. The AgNO3 in this equation is called a(n):

a. reactant.

b. acid.

c. product.

d. base.

20. Molecules move from an area of low concentration to an area of high concentration during:

a. osmosis.

b. facilitated diffusion.

c. diffusion.

d. active transport.

21. Chromosomes first become visible during:

a. prophase I.

b. metaphase I.

c. anaphase I.

d. telophase I.

22. The branch of science that deals with the study of organisms and how they interact with their environment is known as:

a. biology.

b. the biome.

c. ecology.

d. abiotic.

23. The largest taxonomic grouping is the:

a. kingdom.

b. phylum.

c. domain.

d. family.

24. Smooth muscle:

a. can stay contracted for long periods of time.

b. responds quickly to nervous stimulation.

c. is present in specific parts of the body like the muscles of the back.

d. does not respond to hormones.

25. Which of the following is the most likely series of events?

a. Earth formed—oxygen in atmosphere—living organisms—ozone

b. Ozone—living organisms—plants—organic molecules

c. Organic molecules—ozone—living organisms—oxygen in atmosphere

d. Organic molecules—living organisms—oxygen in atmosphere—ozone

26. There is a population of giraffes. Some have short necks, some have medium-length necks, and some have long necks. If the short-necked giraffes are regularly eliminated from the population, this would be an example of:

a. disruptive selection.

b. sexual selection.

c. dysfunctional selection.

d. directional selection.

27. The oxygen produced by a plant comes most directly from:

a. CO2.

b. H2O.

c. C6H12O6.

d. glyceraldehyde-3-phosphate.

28. Enzymes are made from:

a. fats.

b. proteins.

c. cytoplasm.

d. nucleoplasm.

29. A human cell contains 46 chromosomes consisting of about __________ genes.

a. 50

b. 25,000

c. 80,000,000

d. 3,000,000

30. Lamarck’s theory of evolution was based upon:

a. polyploidy.

b. geographic isolation.

c. macroevolution.

d. acquired characteristics.

31. The use of binomial system of nomenclature was developed by:

a. Linnaeus.

b. Lamarck.

c. Oparin.

d. Taxa.

32. The onset of puberty:

a. is typically earlier in girls than boys.

b. involves increased production of estrogen or testosterone.

c. causes changes in body structure.

d. all of the choices apply.

33. Sexuality is:

a. the sexual anatomy of an individual.

b. the sex drive and related behaviors of an individual.

c. often different in other cultures.

d. all of the choices apply.

34. The science that seeks to show evolutionary relationships between organisms is:

a. phylogeny.

b. anatomy.

c. taxonomy.

d. nomenclature.

35. A dominant allele does not express itself in every person that contains it; occasionally parents without the characteristic have children that show the characteristic. This statement represents a feature known as:

a. fitness.

b. expressivity.

c. recessiveness.

d. penetrance.

36. Which of the following contains a coded message of how to construct a protein?

a. ATP

b. tRNA

c. Ribosome

d. mRNA

37. Energy can be furnished to a cell by extracting it directly from:

a. enzymes.

b. minerals.

c. coenzymes.

d. fats.

38. Photosynthesis takes place in:

a. both plants and animals.

b. animals, but not plants.

c. plants, but not animals.

d. bacteria only.

39. An individual’s genome includes:

a. only favorable genes.

b. only genes passed on to the offspring.

c. all of its genes.

d. all the genes except those resulting from mutations.

40. Egg cells are fertilized in the:

a. cervix.

b. vagina.

c. ovary.

d. oviduct.

41. Which of the following is part of the abiotic environment of an organism?

a. Grass

b. Rain

c. Food

d. Decomposers

42. Exon and intron are best associated with:

a. transcription.

b. translation.

c. replication.

d. prokaryotic cells.

43. Which of the following kinds of organisms can manufacture the greatest variety of organic compounds?

a. Aerobic bacteria

b. Anaerobic bacteria

c. Animals

d. Plants

44. For two types of organisms to belong to the same species, they must:

a. look alike.

b. live in the same geographic region.

c. be able to naturally produce fertile offspring.

d. contain the same gene frequencies.

45. All of the following characteristics are typical for microorganisms, except:

a. generally consist of single cell or groups of cells with little specialization.

b. generally reproduce by asexual reproduction.

c. most are parasites.

d. generally live in moist environments.

46. The source of energy for nearly all ecosystems is:

a. the sun.

b. food.

c. oxygen.

d. water.

47. Glycolysis takes place in the:

a. mitochondria.

b. cytoplasm.

c. grana.

d. stroma.

48. Natality is greater than mortality during the __________ phase.

a. stable equilibrium

b. lag

c. exponential growth

d. death

49. Bile is produced in the:

a. liver.

b. duodenum.

c. pancreas.

d. stomach.

50. Different forms of the same gene are referred to as:

a. loci.

b. alleles.

c. homozygotes.

d. hybrids.