Biology and Genetics

Which of the following statements is/are true about cell-cell signaling in devel

Which of the following statements is/are true about cell-cell signaling in development, when given a certain concentration of ligand? a. The extracellular matrix cannot induce the…

Which of the following statements is/are true about energy production in prokary

Which of the following statements is/are true about energy production in prokaryotes? (CHECK ALL THAT APPLY) they can metabolize glucose, amino acids or lipids to generate ATP the…

Which of the following statements is/are true about the 95% confidence interval?

Which of the following statements is/are true about the 95% confidence interval? 1) If you did the study 100 times and got 100 point estimates and 100 confidence intervals, in 95 …

Which of the following statements is/are true concerning bacterial meningitis? (

Which of the following statements is/are true concerning bacterial meningitis? (Mark all true statements) A. The three common forms of bacterial meningitis all have capsules that …

Which of the following statements logically explains the anticipation shown by D

Which of the following statements logically explains the anticipation shown by DKC or why DKC arises at an earlier age in subsequent generations? Which of the following statements…

Which of the following statements most correctly describes the sequence of event

Which of the following statements most correctly describes the sequence of events in North America and Australia? Which of the following statements most correctly describes the se…

Which of the following statements provide evidence that supports the cancer stem

Which of the following statements provide evidence that supports the cancer stem cell hypothesis. Only certain transplanted cancer cells can give rise to tumors When certain cance…

Which of the following statements reflect observations and/or inferences upon wh

Which of the following statements reflect observations and/or inferences upon which Darwin based his ideas about evolution by natural selection? I. More individuals are born than …

Which of the following statements reflects an isolationist foreign policy? Selec

Which of the following statements reflects an isolationist foreign policy? Select one: a. The United States will attack any nation that threatens to use weapons of mass destructio…

Which of the following statements regarding Type 2 Diabetes is false? a. insulin

Which of the following statements regarding Type 2 Diabetes is false? a. insulin does not properly inhibit liver glucose production b. blood glucose shows a greater increase durin…

Which of the following statements regarding bone cells is true a Osteoblasts for

Which of the following statements regarding bone cells is true a Osteoblasts form bone, osteocytes break down bone, osteoclasts detect strain, lining cells line the bone O) O b Os…

Which of the following statements regarding cDNA libraries is false? They are us

Which of the following statements regarding cDNA libraries is false? They are usually double stranded DNA. They are composed of DNA synthesized with the use of reverse transcripta…

Which of the following statements regarding epithelial structure and function is

Which of the following statements regarding epithelial structure and function is/are true? Check all that apply. Simple squamous epithelium allows for rapid diffusion The keratin …

Which of the following statements regarding exocytosis is true? it involves budd

Which of the following statements regarding exocytosis is true? it involves budding through the plasma membrane exocytosis provides a virus with its envelope it involves fusion of…

Which of the following statements regarding familial Down syndrome is false? Het

Which of the following statements regarding familial Down syndrome is false? Heterozygous carriers of the Robertsonian translocation that causes familial Down syndrome can have ch…

Which of the following statements regarding forces that interact to compel movem

Which of the following statements regarding forces that interact to compel movement of water up a plant during the day is FALSE? (1 pt) a. A gradient of water potential provides t…

Which of the following statements regarding glucose homeostasis is CORRECT? Afte

Which of the following statements regarding glucose homeostasis is CORRECT? After a meal, 12 marks] A blood glucose increases, and the response is release of insulin from -cells o…

Which of the following statements regarding inheritance in Mendel\'s plants is N

Which of the following statements regarding inheritance in Mendel's plants is NOT true? a. b. c. d. e. yellow seeds are dominant over green purple flowers are dominant over white …

Which of the following statements regarding lipid membranes isTrue? A. Membrane

Which of the following statements regarding lipid membranes isTrue? A. Membrane lipids frequently flip-flop between one monolayerand the other B. In eukaryotes, all membrane-enclo…

Which of the following statements regarding maintaining body H2O balance is true

Which of the following statements regarding maintaining body H2O balance is true? A. Vasopressin (ADH) increases water loss in urine by promoting greater water reabsorption in the…

Which of the following statements regarding membrane proteins is FALSE? B) Perip

Which of the following statements regarding membrane proteins is FALSE? B) Peripheral membrane proteins position hydrophilic amino acid side chains in the loop portions of their s…

Which of the following statements regarding model organism is correct? Which of

Which of the following statements regarding model organism is correct? Which of the following statements regarding model organisms is correct? O Gregor Mendel used pea plant as a …

Which of the following statements regarding our solar system are correct? (More

Which of the following statements regarding our solar system are correct? (More than one answer may be correct or none at all.) The more massive planets in the solar system tend t…

Which of the following statements regarding parsimony methods is FALSE? a. Parsi

Which of the following statements regarding parsimony methods is FALSE? a. Parsimony is not a consistent estimator; in other words, it is not an estimation procedure that will ens…

Which of the following statements regarding photosynthesis and cellular respirat

Which of the following statements regarding photosynthesis and cellular respiration is true? Photosynthesis occurs in mitochondria, and cellular respiration occurs in chloroplasts…

Which of the following statements regarding primary transcripts in eukaryotes is

Which of the following statements regarding primary transcripts in eukaryotes is correct? A. The primary transcript is composed of RNA polymerase and associated histones. B. The p…

Which of the following statements regarding second messengers (or signal transdu

Which of the following statements regarding second messengers (or signal transduction) is FALSE? They are needed to mediate the action of nonpolar regulatory molecules They are re…

Which of the following statements regarding signaling in normal cells and cancer

Which of the following statements regarding signaling in normal cells and cancer cells is false? a. In normal cells, RTK transphosphorylation is strictly dependent on ligand bindi…

Which of the following statements regarding terrestrial biomes is INCORRECT? A.

Which of the following statements regarding terrestrial biomes is INCORRECT? A. Climate extremes (e.g. droughts, subfreezing temperatures) can be important predictors of terrestri…

Which of the following statements regarding the Ras protein is false? a. ras act

Which of the following statements regarding the Ras protein is false? a. ras activates a cascade of phosphorylation events b. the ligands are largely steroid hormones c. ras is mo…

Which of the following statements regarding the complexity of living organmisms

Which of the following statements regarding the complexity of living organmisms is false? Can someone answer this question please? Which of the following statements regarding the …

Which of the following statements regarding the data presented in the figure is

Which of the following statements regarding the data presented in the figure is false? A. Blood circulation to muscle was significantly reduced during the dives. B. Circulating bl…

Which of the following statements regarding the diffusion of materials between g

Which of the following statements regarding the diffusion of materials between gas mixtures and aqueous solutions is false? Each gas has a unique solubility in a given aqueous sol…

Which of the following statements regarding the health effects of exercise is fa

Which of the following statements regarding the health effects of exercise is false? a. the risk of death from breast cancer is greater in low aerobic fitness groups b. there is s…

Which of the following statements regarding the influenza virus is FALS? a. The

Which of the following statements regarding the influenza virus is FALS? a. The genome of influenza is very tiny to allow the generation of as many virions as possible. b. The inf…

Which of the following statements regarding the peripheral nervous system (PNS)

Which of the following statements regarding the peripheral nervous system (PNS) is false? a) The sympathetic division is part of the PNS. b) Nerves are part of the PNS. c) The bra…

Which of the following statements regarding the polymerase chain reaction is unt

Which of the following statements regarding the polymerase chain reaction is untrue? A. It can increase the amount of DNA in a sample B. It has the potential of diagnosing an infe…

Which of the following statements regarding the urogential tracts of humans is i

Which of the following statements regarding the urogential tracts of humans is incorrect? A. The male urinary tract and male reproductive tract have the same type of normal flora …

Which of the following statements regarding transcription only applies to prokar

Which of the following statements regarding transcription only applies to prokaryotes and not to eukaryotes? options: A region of the promoter about 30 nucleotides upstream of +1 …

Which of the following statements regarding voltage-gated sodium channels are TR

Which of the following statements regarding voltage-gated sodium channels are TRUE? Choose all of the correct answers. They actively transport sodium against its concentration gra…

Which of the following statements related to atmospheric gases is true? A. All o

Which of the following statements related to atmospheric gases is true? A. All of the gas molecules in the atmosphere are invisible except water vapor. B. In a vertical column of …

Which of the following statements relating to the major regions of Spain is corr

Which of the following statements relating to the major regions of Spain is correct. The Basque and Galician regions are important tourist regions are located adjacent to the Medi…

Which of the following statements relating to the major regions of Spain is corr

Which of the following statements relating to the major regions of Spain is correct. A.The Basque and Galician regions are important tourist regions are located adjacent to the Me…

Which of the following statements represents a conflict between economic develop

Which of the following statements represents a conflict between economic development and ecosystem quality? 1. Due to the high cost of land in cities, people often choose to build…

Which of the following statements support the previous conclusion that there are

Which of the following statements support the previous conclusion that there are more mRNA bases than amino acids? (NOTE: While there may be some rare exceptions that don't suppor…

Which of the following statements would be most acceptable to most zoologists? B

Which of the following statements would be most acceptable to most zoologists? B)What did the Haikouella, a primitive early chordate fossil, lack that vertebrates have a skull C) …

Which of the following statements would not be consistent with the theory for th

Which of the following statements would not be consistent with the theory for the endosymbiotic origin of mitochondria and chloroplasts? a. Mitochondria and chloroplasts have thei…

Which of the following statementscorrectly describes why a series of closely spa

Which of the following statementscorrectly describes why a series of closely spaced actionpotentials causes a sustained contraction rather than a series ofclosely spaced twitches?…

Which of the following statementscorrectly describes why a series of closely spa

Which of the following statementscorrectly describes why a series of closely spaced actionpotentials causes a sustained contraction rather than a series ofclosely spaced twitches?…

Which of the following staterments is NOT corree? 45. (a) Rock Q uality Designat

Which of the following staterments is NOT corree? 45. (a) Rock Q uality Designation (RQD) is a mensure of the degree of fracturing of rock mass (b) RQD, core recovery and rate of …