Biology and Genetics

1. The interaction of which two substances shown in the diagram below controls c

1. The interaction of which two substances shown in the diagram below controls cell movement? Ourside of cel 2. Which of the following statements regarding the sequence of events …

1. The interior of Earth consists almost entirely of __________ rock solid molte

1. The interior of Earth consists almost entirely of __________ rock solid molten sedimentary felsic 2. Why is the outer core the only layer in Earth that is molten? The pressure …

1. The introductory passage describes an exciting new insight into a possible me

1. The introductory passage describes an exciting new insight into a possible mechanism of antibiotic resistance. What are some other mechanisms of antibiotic resistance discussed…

1. The is the largest part of the brain? a Cerebrum, b. cerebelum, c. medulla ob

1. The is the largest part of the brain? a Cerebrum, b. cerebelum, c. medulla oblongata, d. mid brain 2. The term that describes the basic nerve cell is: a. Dendrites, b. axon, c.…

1. The lac P site lies within the lac operon and isupstream of the genes that en

1.   The lacP site lies within thelac operon and isupstream of the genes that encode for proteins involved in lactoseuptake and metabolism. Which of the following statements isTRU…

1. The lac operon responds to lactose and glucose. If wild-type E. coli cells ar

1. The lac operon responds to lactose and glucose. If wild-type E. coli cells are grown in media that contains both lactose and glucose, they will consume the glucose first becaus…

1. The large ocean gyres are primarily ______ driven density wind 2. Tropical cy

1. The large ocean gyres are primarily ______ driven density wind 2.   Tropical cyclones need sea surface temperatures to be at least: 10 °C 22 °C 27 °C 36 °C 3.   Monsoons are in…

1. The largest of the laryngeal cartilages is the A) corniculate cartilage. B) e

1. The largest of the laryngeal cartilages is the A) corniculate cartilage. B) epiglottis. C) cuneiform cartilage. D) cricoid cartilage. d cartilage. 2. The diameter of bronchiole…

1. The larynx is part of the lower respiratory system. True or false 2. The reas

1. The larynx is part of the lower respiratory system. True or false 2. The reason cirrhosis is life-threatening is because of the liver’s inability to produce bile. True or false…

1. The law of parsimony refers to a. the least complex explanation to explain so

1. The law of parsimony refers to a. the least complex explanation to explain something b. the most complex explanation to explain something c. a personality theory d. a theory of…

1. The layer charge of vermiculite minerals is less than the layer charge of the

1. The layer charge of vermiculite minerals is less than the layer charge of the minerals from which they are derived. a. What are the minerals from which trioctahedral vermiculit…

1. The layer of the heart that is composed mainly of cardiac muscle and forms th

1. The layer of the heart that is composed mainly of cardiac muscle and forms the bulk of the      heart is the a. endocardium                      b. myocardium                  …

1. The located in the Zagris Mountains of Turkey,_________ is the oldest settlem

1. The located in the Zagris Mountains of Turkey,_________ is the oldest settlement that has been discovered. 2. True or false. The agricultural Revolution, which featured the dom…

1. The loss of actin from striated muscle would... A. not prevent sarcomeres fro

1. The loss of actin from striated muscle would... A. not prevent sarcomeres from generation tension in a non-crossbridge manner B. prevent the msucle from recoiling to its restin…

1. The loss of actin from striated muscle would... A. not prevent sarcomeres fro

1. The loss of actin from striated muscle would... A. not prevent sarcomeres from generation tension in a non-crossbridge manner B. prevent the msucle from recoiling to its restin…

1. The mRNA for the Alzheimer-related gene is 2400 nucleotides long when isolate

1. The mRNA for the Alzheimer-related gene is 2400 nucleotides long when isolated from neurons, but 2900 nucleotides long when isolated from glial cells. Genomic DNAs isolated fro…

1. The main advantage of hydroponics in nutrient research is that a) it excludes

1. The main advantage of hydroponics in nutrient research is that a) it excludes hydrogen ions. b) it is simply a "cleaner" experimental system without any "dirt" involved. c) in …

1. The main difference between a malignant tumor and a benign tumor is A. malign

1. The main difference between a malignant tumor and a benign tumor is A. malignant tumor cells causes neighboring cells to mutate. B. malignant tumor cells attack and phagocytose…

1. The main function of the small intestine is nutrient absorption. Which of the

1. The main function of the small intestine is nutrient absorption. Which of the following structural qualities of the intestine increase absorption? Select all that apply. a. Ver…

1. The main molecule that makes up the \"walls\" of the cell is the ________ mol

1. The main molecule that makes up the "walls" of the cell is the ________ molecule. a. carbohydrate b. water c. phospholipid d. triglyceride 2. Which particle determines the atom…

1. The main steps in the Multiple Tube Technique include: a. Presumptive Test b.

1. The main steps in the Multiple Tube Technique include: a. Presumptive Test b. Filtration Test c. Confirmed Test d. Completed Test e. Most Probable Number "f. a, b, c" "g. a, c,…

1. The majority of DNA viral genomes are replicated using None of the following

1. The majority of DNA viral genomes are replicated using None of the following answers Host-encoded DNA-dependent DNA polymerase Virally encoded RNA-dependent DNA polymerase Vira…

1. The majority of the accessible drinking water on our planet comes from: a. Oc

1. The majority of the accessible drinking water on our planet comes from: a. Ocean                   b. Glaciers                   c. Streams                   d. Groundwater 2. …

1. The maltose-binding protein (MBP) of Escherichia coli is a periplasmic protei

1. The maltose-binding protein (MBP) of Escherichia coli is a periplasmic protein made of 370 amino acids that is secreted through SecYEG. SecA would use______ ATP molecules to as…

1. The marked hyperglycemia in DKA causes a. hypokalemia b. all answer shown are

1. The marked hyperglycemia in DKA causes a. hypokalemia b. all answer shown are correct c. excessive loss of water and dehydration d. an osmotic diuresis e. hyponatremia 2. Which…

1. The meaning or significance that an experience has for us comes from: a. the

1. The meaning or significance that an experience has for us comes from: a. the actual experience itself b. similar kinds of experiences we've had in the past c. the symbols we at…

1. The membrane of end plate is also called: a. Pre-synaptic membrane b. SERCA c

1. The membrane of end plate is also called: a. Pre-synaptic membrane b. SERCA c. Post-synaptic membrane d. Sarcolemma. 2. e. Neurolemma membrane are Acetylcholine receptors locat…

1. The metric system is the measurement 6. Mass is the measurement of (a) a line

1. The metric system is the measurement 6. Mass is the measurement of (a) a line, extending from one point to system of choice for (a) scientists. (b) most countries in the world.…

1. The molecular weight of a protein can be determined by SDS-PAGE or by sedimen

1. The molecular weight of a protein can be determined by SDS-PAGE or by sedimentation equilibrium. Which method would you use to determine the molecular weight of a protein conta…

1. The molecular weight of ammonium sulfate is 132.14 g mol -1 and you have a so

1. The molecular weight of ammonium sulfate is 132.14 g mol-1 and you have a solution of total volume 9 mL. What weight of ammonium sulfate should you add to reach a final concent…

1. The moon with no heat transport. The layer model assumes that the temperature

1. The moon with no heat transport. The layer model assumes that the temperature of the body in space is all the same. This isn't really very accurate, as you know that it's colde…

1. The mosses and liverworts are members of which division? 2. The first group w

1. The mosses and liverworts are members of which division?  2. The first group with flowers were 3.The formation of large molecules from small subunits is known as what kind of r…

1. The most common mutation found in sickle cell anemia is an amino acid substit

1. The most common mutation found in sickle cell anemia is an amino acid substitution in which a glutamic acid residue is replaced by a valine in the gene for Hemoglobin, dramatic…

1. The most energy dense foods usually contain lots of water and fiber. a. True

1. The most energy dense foods usually contain lots of water and fiber. a. True b. False 2. Energy density refers to foods that: a. Are higher in kcals relative to volume b. Are h…

1. The most important factor to consider in menu planning is: A.Price of ingredi

1.         The most important factor to consider in menu planning is:                    A.Price of ingredients B.Availability of production equipment C.Customer satisfaction D.Sk…

1. The most significant source of serum testosterone in the normal woman is: a.

1. The most significant source of serum testosterone in the normal woman is: a. liver production from ovarian estradiol b. peripheral production from adrenal DHEA c. ovarian granu…

1. The most simple and abundant cells on earth do not have any intracellular mem

1. The most simple and abundant cells on earth do not have any intracellular membranes or complex intracellular structures. But they contain DNA which codes for their reproduction…

1. The mother of a 17 year old girl brings her daughter to the doctor after she

1. The mother of a 17 year old girl brings her daughter to the doctor after she experiences a number of fainting spells and lethargy. The mother states that her daughter eats prac…

1. The mother produces antibodies from B cells that have become plasma cells. Ho

1. The mother produces antibodies from B cells that have become plasma cells. How is this accomplished? 2. The antibody from mother is transferred to the baby via breastmilk. The …

1. The motion of molecules______________ a. reflects the kinetic energy of molec

1. The motion of molecules______________ a. reflects the kinetic energy of molecules b. reflects the potential energy of molecules c. is ordered and predictable d. is random and e…

1. The myocardium contracts in response to action potentials that arise from: in

1. The myocardium contracts in response to action potentials that arise from: innervation by vasomotor center neurons autonomic motor neurons cardiac pacemaker cells 2. Do neurona…

1. The name for the point at which an earthquake rupture actually occurs in the

1. The name for the point at which an earthquake rupture actually occurs in the Earth is the 2. An approximate time span for a Wilson cycle is 3. The curve against which U-Pb date…

1. The name for the point on the Earth\'s surface above the point of an earthqua

1. The name for the point on the Earth's surface above the point of an earthquake initial rupture is the 2. The arm of a rift system that fails to open as drift begins is called 3…

1. The narrow-sense heritability of tail length in mice is about 0.6, and the na

1. The narrow-sense heritability of tail length in mice is about 0.6, and the narrow-sense heritability of litter size is about 0.15. The most likely reason for this difference is…

1. The nematode, C. elegans, and humans have nearly identical numbers of protein

1. The nematode, C. elegans, and humans have nearly identical numbers of protein coding genes, yet humans have much more complex organismal features. This is an example of: a. the…

1. The net charge of aspartate in a solution at pH 7 is: A. -1 B. -0.5 C. +0.5 D

1. The net charge of aspartate in a solution at pH 7 is:             A. -1             B. -0.5             C. +0.5             D. +1             E. +1.5 2. The aggregation of nonp…

1. The net formed in NETosis of neutrophils is composed mainly of ____. a. prote

1. The net formed in NETosis of neutrophils is composed mainly of ____. a. proteins b. DNA c. RNA d. polysaccharides e. lipids 2. Which of the following binds to C3b that has boun…

1. The next day when you and your lab partner returned to lab and ready to perfo

1. The next day when you and your lab partner returned to lab and ready to perform DNA extraction. You noticed your LB tubes are cloudier than other groups’ tubes. Your lab partne…

1. The nurse working at the senior center notices Mrs. Jones, a 78-year-old, cry

1. The nurse working at the senior center notices Mrs. Jones, a 78-year-old, crying. The nurse approaches Mrs. Jones and asks if she needs help. Mrs. Jones states “I am so embarra…

1. The nursing student knows that pasteurization is described by which of the fo

1. The nursing student knows that pasteurization is described by which of the following statement(s) below? A- Heating liquids in order to kill most contaminating bacteria without…