Biology and Genetics

Which of the following statements about pseudodominance is TRUE? caused by delet

Which of the following statements about pseudodominance is TRUE? caused by deletion of one gene that masks the expression of a different gene in epistasis identical to hemizygosit…

Which of the following statements about pyruvate is most accurate? Pyruvate can

Which of the following statements about pyruvate is most accurate? Pyruvate can be produced only from carbohydrates; Pyruvate dehydrogenase complex does not belong to the Krebs cy…

Which of the following statements about recent climate change is true? Climate h

Which of the following statements about recent climate change is true? Climate has warmed several degrees Celsius in the past 100 years. Climate has cooled since 1998. Heat waves …

Which of the following statements about reconstructing the lives of our early an

Which of the following statements about reconstructing the lives of our early ancestors is FALSE? Select one: a. Antelope fossils preserved at an early hominin site provide clues …

Which of the following statements about regulation during fasting is False? Sele

Which of the following statements about regulation during fasting is False? Select one: a. Glucagon is released from the pancreas b. More Glucose is produced by the liver by gluco…

Which of the following statements about regulation of the eukaryotic gene expres

Which of the following statements about regulation of the eukaryotic gene expression is INCORRECT? The presence of a nuclear membrane separating transcription and translation in e…

Which of the following statements about resting potential is true ? A resting me

Which of the following statements about resting potential is true? A resting membrane allows much more sodium than potassium to diffuse across. The concentration of sodium is much…

Which of the following statements about revitalization movements is incorrect fr

Which of the following statements about revitalization movements is incorrect from an anthropological perspective? a. The purpose of revitalization movements is to reform society.…

Which of the following statements about riboswitches is INCORRECT? (a) They regu

Which of the following statements about riboswitches is INCORRECT? (a) They regulate gene expression at the level of transcription or translation through changes in RNA secondary …

Which of the following statements about sandy beach communities is FALSE? Hints

Which of the following statements about sandy beach communities is FALSE? Hints Zonation of the intertidal zone is dominated by heterotrophic organisms rather than autotrophs. Alm…

Which of the following statements about schistosome eggs is correct? All schisto

Which of the following statements about schistosome eggs is correct? All schistosofne eggs have a spine although it varies in size and position between species. The egg spine is s…

Which of the following statements about secondary growth is TRUE? A) the steam a

Which of the following statements about secondary growth is TRUE? A) the steam and roots of most dicots increase in girth B) it involves the cork cambium C) it involves the vascul…

Which of the following statements about sex determination in humans (below) is f

Which of the following statements about sex determination in humans (below) is false? a.) In both humans and Drosophila, the genetic constitution of the sperm determines the sex o…

Which of the following statements about sickle cell anemia is FALSE? a) The muta

Which of the following statements about sickle cell anemia is FALSE? a) The mutation in sickle cell anemia replaces a hydrophilic surface residue with a non-polar residue. b) In s…

Which of the following statements about signal transduction pathways is incorrec

Which of the following statements about signal transduction pathways is incorrect? Select one: O a. The first messenger is typically a hormone or neurotransmitter O b. Cells have …

Which of the following statements about signaling pathways associated with somit

Which of the following statements about signaling pathways associated with somitogenesis is NOT true? Select one : a. Somites form when FGF levels are low. b. The notch-delta path…

Which of the following statements about skeletal muscle contraction is false? A.

Which of the following statements about skeletal muscle contraction is false? A. The changes in voltage across the plasma membrane that occur when a muscle cell receives a signal …

Which of the following statements about skeletal muscle contraction is false? A.

Which of the following statements about skeletal muscle contraction is false? A. The changes in voltage across the plasma membrane that occur when a muscle cell receives a signal …

Which of the following statements about solute potential is FALSE? (1 pt) a. Sol

Which of the following statements about solute potential is FALSE? (1 pt) a. Solute potential increases as solute concentration increases. b. Solute potential pertains to the redu…

Which of the following statements about somite formation in the frog Xenopus is

Which of the following statements about somite formation in the frog Xenopus is NOT TRUE? Select one: a. Xenopus somites form every 50 minutes. b. The dystroglycan cell adhesion c…

Which of the following statements about tapeworms of the genus Diphyllobothrium

Which of the following statements about tapeworms of the genus Diphyllobothrium is correct? Worms of this genus have dispensed with a vertebrate definitive host and the life cycle…

Which of the following statements about tapeworms of the genus Diphyllobothrium

Which of the following statements about tapeworms of the genus Diphyllobothrium is correct? Worms of this genus have dispensed with a vertebrate definitive host and the life cycle…

Which of the following statements about telomerase is true? It prevents the ends

Which of the following statements about telomerase is true? It prevents the ends of chromosomes from continuing to grow. It prevents the ends of chromosomes from being eroded with…

Which of the following statements about the DNA double helix is TRUE? Multiple C

Which of the following statements about the DNA double helix is TRUE? Multiple Choice Complementary base pairing allows the production of a DNA strand that is identical to its tem…

Which of the following statements about the DNA double helix is TRUE? Multiple C

Which of the following statements about the DNA double helix is TRUE? Multiple Choice Complementary base pairing allows the production of a DNA strand that is identical to its tem…

Which of the following statements about the Jurassic Period is true? Select one:

Which of the following statements about the Jurassic Period is true? Select one: a. Sea levels rose and submerged 30% of Earth’s current land surface. b. The first mammals evolved…

Which of the following statements about the Na + -K + pump is incorrect? It regu

Which of the following statements about the Na+-K+ pump is incorrect? It regulates cell volume by controlling the concentration of solutes inside the cell. It has ATPase activity.…

Which of the following statements about the \"minimum necessary standard\" is tr

Which of the following statements about the "minimum necessary standard" is true? Select the correct option and then click Submit to check your answer. The federal "minimum necess…

Which of the following statements about the action potentials in contractile myo

Which of the following statements about the action potentials in contractile myocardial cells (cardiac muscle) is INCORRECT? Compared to skeletal muscle cells, contractile myocard…

Which of the following statements about the aminoacyl-tRNA synthetase reaction a

Which of the following statements about the aminoacyl-tRNA synthetase reaction are correct? Circle all that apply: ATP is a cofactor GTP is a cofactor The amino acid is attached t…

Which of the following statements about the autonomic nervous system is INCORREC

Which of the following statements about the autonomic nervous system is INCORRECT? The adrenal medulla is a sympathetic ganglion The ganglia of the sympathetic division are usuall…

Which of the following statements about the beta-adrenergic receptor signaling s

Which of the following statements about the beta-adrenergic receptor signaling system is correct? Epinephrine binding the p adrenergic receptor activates Gs alpha by replacement o…

Which of the following statements about the characteristics of the aurora are tr

Which of the following statements about the characteristics of the aurora are true? Choose all that apply. (a) Auroral light is a continuous spectrum. (b) Excited nitrogen molecul…

Which of the following statements about the code of Hammurabi is true? A. All pu

Which of the following statements about the code of Hammurabi is true? A. All punishments were the same, regardless of the crime. B. It only included commercial laws C. It applied…

Which of the following statements about the composition of red cell membranes is

Which of the following statements about the composition of red cell membranes is correct. A. As with plant cell membranes, cholesterol is present only in traces. B. As a group, th…

Which of the following statements about the cytoskeleton is true? 1. Transport v

Which of the following statements about the cytoskeleton is true? 1. Transport vesicles among the membranes of the endomembrane system produce the cytoskeleton. 2. Microfilaments …

Which of the following statements about the cytoskeleton is true? a. The cytoske

Which of the following statements about the cytoskeleton is true? a. The cytoskeleton controls the location of organelles in eukaryotic cells. b. All eukaryotic cells have actin, …

Which of the following statements about the detritivores is true? A. They are an

Which of the following statements about the detritivores is true? A. They are an energy compartment,they eat dead organic material, and they occupy a trophic level. B. They store …

Which of the following statements about the differences between mitosis and meio

Which of the following statements about the differences between mitosis and meiosis is not correct? 2. Which of the following statements about the differences between mitosis and …

Which of the following statements about the different types of enzyme inhibition

Which of the following statements about the different types of enzyme inhibition is false? A. A competitive inhibitor decreases Vmax, but does not affect K». B. Competitive inhibi…

Which of the following statements about the effect of social class on personal t

Which of the following statements about the effect of social class on personal traits is correct? Poor parents tend to encourage creativity in their children more than rich parent…

Which of the following statements about the effects of ocean acidification on li

Which of the following statements about the effects of ocean acidification on life is FALSE? (2 points) Organisms which produce calcium carbonate shells may struggle to exist in p…

Which of the following statements about the electron transport chain is NOT true

Which of the following statements about the electron transport chain is NOT true? Four multiprotein complexes are responsible for coupling electron transport to proton pumping. Cy…

Which of the following statements about the endosymbiotic theory is false? A. Eu

Which of the following statements about the endosymbiotic theory is false? A. Eukaryotic cells engulfed the ancestral bacteria from which mitochondria and chloroplasts are derived…

Which of the following statements about the evolution of eukaryotic chloroplasts

Which of the following statements about the evolution of eukaryotic chloroplasts and mitochondria is not true? A) both organelles are derived from Endosymbioses that occurred in t…

Which of the following statements about the evolution of eukaryotic chloroplasts

Which of the following statements about the evolution of eukaryotic chloroplasts and mitochondria is not true? a) both organelles are derived from free-living bacteria that were e…

Which of the following statements about the figure shown below is true? A) 1 is

Which of the following statements about the figure shown below is true? A) 1 is a homotetrameric protein. B) 2 is found on the extracellular side of the plasma membrane. C) 1 and …

Which of the following statements about the flow of genetic information is true?

Which of the following statements about the flow of genetic information is true? a)None of the above b)RNA encodes information that is translated into DNA, and DNA encodes informa…

Which of the following statements about the founder effect is true? Genetic drif

Which of the following statements about the founder effect is true? Genetic drift leads to the fixation of alleles that provide a reproductive advantage in populations created as …

Which of the following statements about the function of the centrosome is FALSE?

Which of the following statements about the function of the centrosome is FALSE? A) Centrosomes are the major microtubule-organizing center in animal cells. B) Centrosomes contain…