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Biology and Genetics

101624 questions • Page 89 / 2033

1. Draw an accurate, up-to-date phylogenetic tree showing the relationship of th
1. Draw an accurate, up-to-date phylogenetic tree showing the relationship of the six kingdoms of living things. 3 pts) 2. What is the evolutionary significance of Protista? (2 pt…
1. Draw the structure of the nucleotide, adenosine trip te (ATP) Tiphosphate a.
1. Draw the structure of the nucleotide, adenosine trip te (ATP) Tiphosphate a. Indicate the location of each of the following bonds and explain what is linked by each type of bon…
1. Drug medications are often prescribed on the basis of bodyweight. The adult d
1. Drug medications are often prescribed on the basis of bodyweight. The adult dosage of Elixophyllin, a drug used to treatasthma, is 6 mg/kg of body mass. Calculate the dose in m…
1. Drugs called beta blockers block (prevent) the action of epinephrine and nore
1. Drugs called beta blockers block (prevent) the action of epinephrine and norepinephrine in the heart beta-blockers (A). lead to a decrese in the force of contraction (B). cause…
1. Drugs known as potasssium -sparing diuretics work by blocking the effects of
1. Drugs known as potasssium -sparing diuretics work by blocking the effects of aldosterone on the kdney. What effect would these drugs have on the amount of urine produced, on th…
1. Drugs should always be used _______ in treating mental illness. a. first b. w
1. Drugs should always be used _______ in treating mental illness. a. first b. whenever you want c. if therapy does not work alone d. never be used 2. The use of defense mechanism…
1. Due to cell migration to the outer edges, the solid morula changes into a hol
1. Due to cell migration to the outer edges, the solid morula changes into a hollow sphere called a(n) 2. The transfer of materials such as oxygen between the mothers bloodstream …
1. Due to the Coriolis effect, any large-scale current of air or water is deflec
1. Due to the Coriolis effect, any large-scale current of air or water is deflected to the _______ in the northern hemisphere and to the _______ in the southern hemisphere. A) lef…
1. Due to the development of medical technology, the ____ is/are no longer _____
1. Due to the development of medical technology, the ____ is/are no longer _____. A. Bacteria; causing diseases B. Microbiology; focusing on diseases C. Microbiology; an isolated …
1. Due to the role of Drosophila as a biological model, many eye color mutants h
1. Due to the role of Drosophila as a biological model, many eye color mutants have been isolated and used to analyze genetic control of eye pigmentation. Wild-type eye color is b…
1. During DNA replication, proteins unwind the DNA duplex, and separate the DNA
1. During DNA replication, proteins unwind the DNA duplex, and separate the DNA strands. Those proteins include: a.) DNA polymerase and ligase b.) Single-stranded DNA binding and …
1. During MHC class I synthesis and folding in the endoplasmic reticulum (ER), a
1. During MHC class I synthesis and folding in the endoplasmic reticulum (ER), a process of peptide editing takes place as the newly synthesized MHC class I protein is held in a ‘…
1. During _____________________ [name stage of replication], hemagglutinin prote
1. During _____________________ [name stage of replication], hemagglutinin proteins binds sialic acid molecules on the __________________ [name specific structure of host cell] of…
1. During a gravel rock operation, the 6-in. (in diameter) liner became filled w
1. During a gravel rock operation, the 6-in. (in diameter) liner became filled with gravel, and a layer of mill scale and dirt accumulated to a thickness of 1 in. on top of the gr…
1. During chemical weathering, H2O and oxygen are removed or exchanged from mine
1. During chemical weathering, H2O and oxygen are removed or exchanged from minerals. 2. The force of gravity acting on an object can be broken into two components: Gp, the compon…
1. During embryonic development B1 cells produce.... a. antibody against self pr
1. During embryonic development B1 cells produce.... a. antibody against self protein (autoantibody) b. antibody against polysaccharides c. antibody to microbial protein d. antibo…
1. During heavy exercise, pyruvate is metabolized by which pathway in an effort
1. During heavy exercise, pyruvate is metabolized by which pathway in an effort to regenerate NAD+ ? A. lactic acid fermentation B. alcoholic fermentation C. TCA cycle D. oxidativ…
1. During lab you observed several animals that use gills for respiration. How w
1.    During lab you observed several animals that use gills for respiration. How were they all similar? Were there any differences between them? How do you account for these diff…
1. During mitotic anaphase, chromosomes migrate A) from the poles of the cell to
1. During mitotic anaphase, chromosomes migrate A) from the poles of the cell toward the equatorial plate. B) from the equatorial plate toward the poles. C) toward the nuclear env…
1. During osmosis, individual molecules move: A. Toward lower concentration B. T
1. During osmosis, individual molecules move: A. Toward lower concentration B. Toward lower osmotic pressure C. all direction with equal probability D. Toward higher concentration…
1. During system respiration, our 02 in cellular respiration? (2 points) lungs i
1. During system respiration, our 02 in cellular respiration? (2 points) lungs inhale 02 and release CO2 and H20. How do cells use 2. During system respiration, we breathe out CO2…
1. During the TCA cycle, four reactions occur in which a pair of electrons are t
1. During the TCA cycle, four reactions occur in which a pair of electrons are transferred from a substrate to an electron accepting coenzyme. These reactions are catalyzed by? 2.…
1. During the age of the Barracks Emperors, a. Rome experienced a last, brief pe
1. During the age of the Barracks Emperors, a. Rome experienced a last, brief period of peace. b. Rome maintained the existence of the ordinary people through agriculture. c. barb…
1. During the zombie apocalypse, Ava manages to find a safe haven in a small hos
1. During the zombie apocalypse, Ava manages to find a safe haven in a small hospital. Inside she finds two survivors, Leon and Chris. Leon is badly injured from a freak accident …
1. E. coli O157:H7 and E. coli O26:H11 are two different serotypes of EHEC. Alth
1. E. coli O157:H7 and E. coli O26:H11 are two different serotypes of EHEC. Although they share the characteristic of being able to cause hemorrhagic colitis and HUS, they are oth…
1. E. coli has a doubling time of 20 minutes under optimal growth conditions. Co
1. E. coli has a doubling time of 20 minutes under optimal growth conditions. Compute the biomass of E. coli (in pounds) that would accumulate when a single cell of E. coli grows …
1. EORA BACTERIAL GENE, writing left-to-right, show the relative positions of ea
1. EORA BACTERIAL GENE, writing left-to-right, show the relative positions of each of these genetic elements as they would appear in the DNA from upstream on the left to downstrea…
1. Each day, how far does the Moon move compared to the Sun? a. The Moon doesn\'
1. Each day, how far does the Moon move compared to the Sun? a. The Moon doesn't move compared to the Sun b. about 1.5 degrees c. about 15 degrees d. about 50 degrees. 2. If you s…
1. Each muscle fiber is a bundle of myofibrils. Each myofibril is a series of sa
1. Each muscle fiber is a bundle of myofibrils.   Each myofibril is a series of sarcomeres. Thus, a muscle fiber contracts when each sarcomere within a series contracts simultaneo…
1. Each optic nerve is a bundle of axons that project from retinal ganglion cell
1. Each optic nerve is a bundle of axons that project from retinal ganglion cells to sites within the brain. The site where this bundle leaves the wall of the eye is known as the …
1. Each subset of effector T cells produces a distinct array of secreted factors
1. Each subset of effector T cells produces a distinct array of secreted factors known as cytokines. One common feature of nearly all effector T cell responses is the rapid produc…
1. Each summer in MA illnesses caused by the vibrio parahaemolyticus trigger man
1. Each summer in MA illnesses caused by the vibrio parahaemolyticus trigger mandatory a 14-day federally mandated ban on the barvesting and or process of oysters from the locatio…
1. Each vestibular apparatus contains 5 sites at which mechanoreceptors are foun
1. Each vestibular apparatus contains 5 sites at which mechanoreceptors are found. Are these mechanoreceptors modified neurons? yes or no 2. Are the intrafusal fibers found within…
1. Earth has left over heat from its formation billions of years ago. a. True b.
1. Earth has left over heat from its formation billions of years ago. a. True b. False 2. The higher the silica content of the magma, the less viscous it is. a. True b. False 3. W…
1. Earth orbits the Sun in a counterclockwise direction once every 365 days. App
1. Earth orbits the Sun in a counterclockwise direction once every 365 days. Approximately how many degrees does Earth move along its orbit in one day? 2. As Earth orbits the Sun,…
1. Echinoderms and vertebrates are more closely related than arthropods and vert
1. Echinoderms and vertebrates are more closely related than arthropods and vertebrates. 2. The origin of both craniates and gnathostomes involved duplication of Hox genes. 3. Ani…
1. Echolocation is the ability to use sound waves that bounce of off objects to
1. Echolocation is the ability to use sound waves that bounce of off objects to locate those objects. Bats and dolphins both have the ability ta echolocate. However, this is not a…
1. Echolocation is the ability to use sound waves that bounce of off objects to
1. Echolocation is the ability to use sound waves that bounce of off objects to locate those objects. Bats and dolphins both have the ability to echolocate. However, this is not a…
1. Economically the most important beetle family is a. Scarabaeidae b. Curculion
1. Economically the most important beetle family is a. Scarabaeidae b. Curculionidae c. Cerambycidae d. Chrysomelidae e. Carabidae 2. Cryptonephric Malpighian tubules a. are found…
1. Eddie, a 3-year-old, lived in an old, run-down house. He was so hungry at tim
1. Eddie, a 3-year-old, lived in an old, run-down house. He was so hungry at times that he used to eat the lead paint, which made him sick. How can this condition be treated? peni…
1. Egg activation in fruit flies occurs after sperm-egg membrane fusion. True or
1. Egg activation in fruit flies occurs after sperm-egg membrane fusion. True or False? 2. Most homeotic genes are signaling molecules while pair-rule genes are transcription fact…
1. Egg activation occurs before sperm and egg cell membranes fuse. True or False
1. Egg activation occurs before sperm and egg cell membranes fuse. True or False 2. A male fruit fly that is homozygous for a null mutation in the nanos gene was mated with a wild…
1. Emanuel Jones, 60 years of age, is male patient diagnosed with small cell car
1. Emanuel Jones, 60 years of age, is male patient diagnosed with small cell carcinoma. He underwent surgery in the past to remove the left lower lobe of his lung. He is receiving…
1. Embryonic stem cells: a. Are undifferentiated b. Can divide indefinitely c. a
1. Embryonic stem cells: a. Are undifferentiated   b. Can divide indefinitely   c. all of the above are true of embryonic stem cells ______________________________________________…
1. Employees in the paint department of an automotive parts production facility
1. Employees in the paint department of an automotive parts production facility use styrene to clean residue off the parts as they come off the paint line. The OSHA PEL for styren…
1. Endocytosis is a way substances can ___ a cell. During endocytosis, an intrac
1. Endocytosis is a way substances can ___ a cell. During endocytosis, an intracellular ___ forms to take in substances. 2. Endocytosis occurs in several different ways. Phagocyto…
1. Endolymph is the fluid found in the semicircular canals that are responsible
1. Endolymph is the fluid found in the semicircular canals that are responsible for dynamic equilibrium. True or False 2. The blind spot is located medial to the eye. For instance…
1. Endosymbiosis envolved just once in the history of life. (True or False) 2. S
1. Endosymbiosis envolved just once in the history of life. (True or False) 2. Symbiosis is when two organisms cooperate. Endosymbiosis is when one organsism cooperates from insid…
1. Energy conversions give off _____ as a byproduct. This keeps us warm, and kee
1. Energy conversions give off _____ as a byproduct. This keeps us warm, and keeps our car engines warm, too.             A carbon dioxide             B carbon monoxide           …
1. English and French Canadians have the same predominant culture and race, yet
1. English and French Canadians have the same predominant culture and race, yet speak different languages and have different viewpoints in general. Theirs is an example of which t…