Biology and Genetics

39) Which of the following statements deseribes a characteristic feature of a ca

39) Which of the following statements deseribes a characteristic feature of a carrier protein in a plasma membrane? A) It exhibits specificity for a particular type of molecule. B…

39, Writers often confuse \"affect\" and \"effect\". The former is usually a ver

39, Writers often confuse "affect" and "effect". The former is usually a verb meaning "to influence" while the latter is usually a noun meaning "a consequence". Influences have co…

39,40,41,42,43 39. cytologist is examining a tissue, an electron microscope. not

39,40,41,42,43 39. cytologist is examining a tissue, an electron microscope. notices in particular that the under A the rough of each cell is rough appearance and of knows that th…

39-45. Matching. There can be more than one correct answer for a question and it

39-45. Matching. There can be more than one correct answer for a question and it may be possible to use an answer more than once, but list only one answer on the left. So for exam…

39. All organic molecules contain these two elements: 40. Why carbon is importan

39. All organic molecules contain these two elements: 40. Why carbon is important for forming macromolecules? and 41. Write out the formula of the following functional groups: Hyd…

39. An atom has an atomic number of 19 and a mass number of 39. This atom will h

39. An atom has an atomic number of 19 and a mass number of 39. This atom will have A. neutrons. B. 20 C., 39 D. 58 neutrons. E. 20 electrons. 40. Which of the following best desc…

39. Around the turn of the 19th century, scientists (naturalists really) were ga

39. Around the turn of the 19th century, scientists (naturalists really) were gathering evidence to realize that there used to be species on the planet that were not around today.…

39. Ca2+ pumps on the endoplasmic reticulum (ER) membrane are important for A) m

39. Ca2+ pumps on the endoplasmic reticulum (ER) membrane are important for A) maintaining osmotic balance B) keeping the cytsolic concentration of Ca2+ at a low level by pumping …

39. Erythema migrans, a bull\'s eye rash, at the portal of entry is associated w

39. Erythema migrans, a bull's eye rash, at the portal of entry is associated with A. syphilis. B. Rocky Mountain spotted fever C. relapsing fever D. Lyme disease E. leptospirosis…

39. Extraterrestrial life visits Earth. Before meeting with them, they give you

39. Extraterrestrial life visits Earth. Before meeting with them, they give you a sample of something similar to a virus that all of them naturally have on their bodies. The gover…

39. If a microorganism has a low infectious dose, then it has A) a low virulence

39. If a microorganism has a low infectious dose, then it has A) a low virulence B) no virulence C no disease-causing abilities D) a high virulence D the ability to infect oells a…

39. In a hypothetical population of deer, you learn that antler length maps to a

39. In a hypothetical population of deer, you learn that antler length maps to a single locus with two alleles (A, a). The A allele results in very large antlers and is completely…

39. In addition to central tolerance, there are additional mechanisms in periphe

39. In addition to central tolerance, there are additional mechanisms in peripheral lymphoid organs that further ensure tolerogenic states against self-antigens are maintained. Th…

39. Keloid scars are raised, thick, and irregular in appearance. A possible caus

39. Keloid scars are raised, thick, and irregular in appearance. A possible cause of kel scarring is an incision made across the oid A. epidermis. B. stratum spinosum. C. cleavage…

39. Magnesium chloride (MgCla) is a molecule held together by ionic bonds and co

39. Magnesium chloride (MgCla) is a molecule held together by ionic bonds and completely dissociates in solution. If you are given a MgClz solution that has a concentration of 2.0…

39. Mannitol salt agar (MSA) only allows the growth of halophiles (salt-loving m

39. Mannitol salt agar (MSA) only allows the growth of halophiles (salt-loving microbe the halophiles, mannitol fermenters release acid that turns the pH indicator yellow; mannito…

39. Name the only class of mollusks that have a well-developed nervous closed ci

39. Name the only class of mollusks that have a well-developed nervous closed circulatory system system, complex eyes and a 40. Which of the following have the unique ability to s…

39. Protein kinase A (PKA) forms a heterotetramer that consists of two regulator

39. Protein kinase A (PKA) forms a heterotetramer that consists of two regulatory (R) and two catalytic (C) subunits. Binding of CAMP activates the enzyme by releasing the catalyt…

39. Signal transduction pathways that require the synthesis of new considered fa

39. Signal transduction pathways that require the synthesis of new considered fast pathways proteins are generally A. True B. False 40. A synthesized protein with the following co…

39. Situations when only a few individuals survive unfavorable times, thereby lo

39. Situations when only a few individuals survive unfavorable times, thereby losing the majority of genotypes in the next generation, are called A) natural selection D) industria…

39. The following is called a macrophage when it leaves the blood vessel and eng

39. The following is called a macrophage when it leaves the blood vessel and engulfs a foreign object in the surrounding connective tissue: a) Neutrophil b) Eosinophil c) Basophil…

39. The following is the inner lining of the pericardial sac: a) Fibrous Pericar

39. The following is the inner lining of the pericardial sac: a) Fibrous Pericardium b) Parietal Pericardium d) e) Visceral Pericardium Band C All of the Above 40. The following i…

39. The iNSECTS Iniou 40. Poikilotherms are unable to produce body heat. 41. Lea

39. The iNSECTS Iniou 40. Poikilotherms are unable to produce body heat. 41. Leaves are broad and thin to minimize their absorption of oxygen 42. Water can hold more oxygen than a…

39. The middle segment of the small intestine is the A) ileum. B) duodenum. C) j

39. The middle segment of the small intestine is the A) ileum. B) duodenum. C) jejunum. D) pylorus. Cecum. 40. The portion of the small intestine that attaches to the cecum is the…

39. The middle segment of the small intestine is the A) ileum. B) duodenum. C) j

39. The middle segment of the small intestine is the A) ileum. B) duodenum. C) jejunum. D) pylorus. Cecum. 40. The portion of the small intestine that attaches to the cecum is the…

39. To maintain homeostasis freshwater fish must A) excrete large quantities of

39. To maintain homeostasis freshwater fish must A) excrete large quantities of water B) take in electrolytes through simple diffusion C) excrete large quantities of electrolytes …

39. Tsunami can be generated by a hurricane. a. True b. False 40. If the seafloo

39. Tsunami can be generated by a hurricane. a. True b. False 40. If the seafloor is suddenly displaced vertically, the ocean water will respond by: Subsiding Not moving at all a.…

39. What is generally added to wine as a preservative? C. nitrites D. sulphates

39. What is generally added to wine as a preservative? C. nitrites D. sulphates (SO2) E. tetracycline 40. Which of the following inhibit DNA fyrase and block bacterial DNA synthes…

39. What molecules can readily cross the biological membranes. Why? 40. What mol

39. What molecules can readily cross the biological membranes. Why? 40. What molecules cannot permeate the membrane bilayer? Why? 41. What is osmotic pressure? Explain 42. What is…

39. What types of genes are expressed continuously and are not regulated by an o

39. What types of genes are expressed continuously and are not regulated by an operon? A) adaptive genes B) introns C) constitutive genes (housekeeping genes) D) enzymatic genes E…

39. What would happen to the lac operon in the absence of allolactose? O The str

39. What would happen to the lac operon in the absence of allolactose? O The structural genes within the lac operon the will be constitutively transcribed. O The activator protein…

39. Which of the following signals indicates shade to a plant? A) lower temperat

39. Which of the following signals indicates shade to a plant? A) lower temperature B) blue light C) far-red light D) green light 40. Each pollen grain contains a. a haploid tube …

39. Which of the following statements regarding hydrogen bonding in secondary st

39. Which of the following statements regarding hydrogen bonding in secondary structures is true? Both ahelices and -sheets only use intrachain hydrogen bonds. b. Both a-helices a…

39. Which of the following substances would the body employ to provide the myeli

39. Which of the following substances would the body employ to provide the myelin sheath (insulation) for nerves? a) carbohydrates b) proteins c) cholesterol d) AOTA e) NOTA Neutr…

39. Which of these climate types would be found at the highest latitude a. Marin

39. Which of these climate types would be found at the highest latitude a. Marine West Coast b. Humid Subtropical c. Mediterranean d. Subtropical Steppe b. temperature and precipi…

39.Elephant seals were hunted nearly to extinction in the early 1900’s. Populati

39.Elephant seals were hunted nearly to extinction in the early 1900’s. Population size was reduced to only a few individuals. Under protection from hunting the population size of…

3952> Quizzes> Unit Exam 3 ute UnitE Unit Exam3 Started: Apr 4 at 7:56pm Quiz In

3952> Quizzes> Unit Exam 3 ute UnitE Unit Exam3 Started: Apr 4 at 7:56pm Quiz Instructions You have 75 minutes to complete the exam. Please see the study guide to prepare fo…

3: B is wrong 4: B is wrong 7: B is wrong 8: A is wrong 2: A is wrong 8: C is wr

3: B is wrong 4: B is wrong 7: B is wrong 8: A is wrong 2: A is wrong 8: C is wrong 2: D is wrong 33. How many "cells" of circulating air are found around the Earth? O 12 34. The …

3: C is wrong 4: C is wrong 5: C and D are wrong 6: C is wrong 4: (2nd page): B

3: C is wrong 4: C is wrong 5: C and D are wrong 6: C is wrong 4: (2nd page): B is wrong 3. Lupus is an autoimmune disorder. Which of the following would you expect to be a sympto…

3:10 AM o etisalat o 68% HW-13.pdf Done ID: Channel Engineering Exercise Al Ain

3:10 AM o etisalat o 68% HW-13.pdf Done ID: Channel Engineering Exercise Al Ain is partly built on alluvial fans that drain nearby mountains in Oman. The alluvial fans are visible…

3:24 PM ooooo Sprint LTE 90% d21.depaul.edu Nerves Highly specialized cells spat

3:24 PM ooooo Sprint LTE 90% d21.depaul.edu Nerves Highly specialized cells spatial specialization well regulated "energized" membrane voltage potential across membrane signals ar…

3;At what water depth and distance from shore will the waves break? What type of

3;At what water depth and distance from shore will the waves break? What type of breakers would you expect? What will be the breaker height? I know to find breaking wave height yo…

3A. The figure on the left depicts a cell-attached patch clamp experiment which

3A. The figure on the left depicts a cell-attached patch clamp experiment which is recording the changes in current through a single voltage-gated Na' channel (VGSC) when the memb…

3A. What conclusion do you draw from this figure? A. SON inhibits ESC differenti

3A. What conclusion do you draw from this figure? A. SON inhibits ESC differentiation and inhibits Oct4 splicing B. SON inhibits ESC differentiation and activates Oct4 splicing C.…

3B. The cell attached patch clamp experiment described above was repeated with c

3B. The cell attached patch clamp experiment described above was repeated with current recordings made from a single voltage-gate K' channel when the membrane was first clamped to…

3C a. Match the following cell surface receptors to their cell type. Note that s

3C a. Match the following cell surface receptors to their cell type. Note that some receptors may be expressed on more than one cell type. 10.5 point each, 2.5 points total) CD19,…

3Cersain retrovia b) is the facst ant ibody nade during a primazy smeune c 1s in

3Cersain retrovia b) is the facst ant ibody nade during a primazy smeune c 1s involved in allergic reaponses di pr 15. The oat plentifui ant ibody made during 16. Which is che lar…

3Cooke and Ryder (1971) studied the of nestlings of Ross\'s goose, a small Arcti

3Cooke and Ryder (1971) studied the of nestlings of Ross's goose, a small Arctic nesting goose. Goslings (baby geese) exist in two color morphs, grey or yellow. Cooke and Ryder re…

3H thymidine is incorporated into DNA during synthesis. A culture of rapidly gro

3H thymidine is incorporated into DNA during synthesis. A culture of rapidly growing asynchronous cells is given 3H thymidine. The cells are then allowed to grow for 1 hour. At th…

3H thymidine is incorporated into DNA during synthesis. A culture of rapidly gro

3H thymidine is incorporated into DNA during synthesis. A culture of rapidly growing asynchronous cells is given 3H thymidine. The cells are then allowed to grow for 1 hour. At th…