Biology and Genetics
101624 questions • Page 260 / 2033
23. Halite has a crystal form because it has 3 faces at right angles. a) cubic b
23. Halite has a crystal form because it has 3 faces at right angles. a) cubic b) prismatic c) sheet-like d) pyramidal 24 boundaries are the deepest parts of the ocean that form a…
23. Iasulin, a homo that is secreted in ponse to high blood sugar levels is a pr
23. Iasulin, a homo that is secreted in ponse to high blood sugar levels is a protein that has following ne targeting sequence(s) Th 24 its peculiar shape, or scientifically speak…
23. If an individual prokaryote divides every 20 minutes, how many individual ce
23. If an individual prokaryote divides every 20 minutes, how many individual cells will there be after 100 minutes? (Assume the cell line started with one individual cell.) -----…
23. If the bacterium Staphylococcus aureus experiences a cost for maintaining on
23. If the bacterium Staphylococcus aureus experiences a cost for maintaining one or more 23. antibiotic-resistance genes, then what should happen in environments from which antib…
23. In a cross between AABbCcDD and AaBbecdd, what proportion of the offspring w
23. In a cross between AABbCcDD and AaBbecdd, what proportion of the offspring wou be expected to be A B C_D ? (4_ means AA or Aa.) A) 3/256 B) 3/32 C) 3/16 D) 3/8 E) 3/4 in the n…
23. In a negative feedback mechanism, a. the output cancels the input. b. there
23. In a negative feedback mechanism, a. the output cancels the input. b. there is a fluctuation above and below the average. c. there is self-regulation. d. a regulatory center c…
23. In decarboxylation carbon atoms are removed from intermediates in theand pat
23. In decarboxylation carbon atoms are removed from intermediates in theand pathways of carbohydrate metabolism. a. glycolysis; Krebs cycle b. Krebs cyle: electron transport chai…
23. In mammals, the medullary interstitial fluid near the renal pelvis isto the
23. In mammals, the medullary interstitial fluid near the renal pelvis isto the urine entering the collecting duct a. hyperosmotic b. isosmotic c. hyposmotic d. isoionic and hypos…
23. In mammals, the medullary interstitial fluid near the renal pelvis isto the
23. In mammals, the medullary interstitial fluid near the renal pelvis isto the urine entering the collecting duct. a. hyperosmotic b. isosmotic c. hyposmotic d. isoionic and hypo…
23. In order for plants to have adequate water (a). good infiltration, holding c
23. In order for plants to have adequate water (a). good infiltration, holding capacity, (d). nts to have adequate water it is important for the soil to have on, (b). good water-h…
23. In rabbits, short hair is due to a dominant allele, S, long hair to its rece
23. In rabbits, short hair is due to a dominant allele, S, long hair to its recessive allele, s. Black hair is due to a dominant allele, B, and white hair to its recessive allele,…
23. In the Anthony method of staining the bacterial capsule, which step is not i
23. In the Anthony method of staining the bacterial capsule, which step is not included in order to avoid shrinking and destroying the capsule a. Smear preparation b. a basic dye …
23. In the Anthony method of staining the bacterial capsule, which step is not i
23. In the Anthony method of staining the bacterial capsule, which step is not included in order to avoid shrinking and destroying the capsule a. Smear preparation b. a basic dye …
23. In the Anthony method of staining the bacterial capsule, which step is not i
23. In the Anthony method of staining the bacterial capsule, which step is not included in order to avoid shrinking and destroying the capsule a, smear preparation b. abasic dye d…
23. Ketamine and phencyclidine work by: a) NMDA glutamate receptor agonism b) NM
23. Ketamine and phencyclidine work by: a) NMDA glutamate receptor agonism b) NMDA glutamate receptor ANTagonism c) blocking glutamate reuptake d) serotonin agonism 24. Ketamine a…
23. Lepisosteiformes (\"banner-back forms\") (1 answer). a. possess a planar, sp
23. Lepisosteiformes ("banner-back forms") (1 answer). a. possess a planar, spatulate rostrum b. possess numerous corporal finlets or tubercles c. possess delicate lepides (scales…
23. Major cardiovascular disorders include alll of thefollowing EXCEPT a. atheri
23. Major cardiovascular disorders include alll of thefollowing EXCEPT a. atheriosclerosis b. stroke c. hypertension d. diabetes 24. All capillary beds have blood running to them …
23. Marasmus is the medical term for the condition that results from overall cal
23. Marasmus is the medical term for the condition that results from overall calorie starvation. In developed countries like the US, it is relatively uncommon. However, there is a…
23. Match the terms with the appropriate definitions -Fructose a. Carbohydrate p
23. Match the terms with the appropriate definitions -Fructose a. Carbohydrate present in vegetables and fruit -Mannitol b. Crystal alcohol made by plants -Methyl red c. Alkaline …
23. Metamorphic rocks are those which A. are claimed to have certain metaphysica
23. Metamorphic rocks are those which A. are claimed to have certain metaphysical properties, e.g., quartz crystals. B. have mineral compositions altered from those originally pre…
23. Normally, the chromosomes of the human genome are organised into: A. 22 homo
23. Normally, the chromosomes of the human genome are organised into: A. 22 homologous pairs of autosomes and 2 sex chromosomes, comprising around 6.5 billion basepairs of DNA. B.…
23. On a ranch in Idaho, there is a large population of brown rabbits that is at
23. On a ranch in Idaho, there is a large population of brown rabbits that is at Hardy-Weinberg equilibrium for two alleles C and c Homozygous ccrabbits, which make up about 5% of…
23. On the contour map below (Figure Q23) a coal seam was discovered at point A.
23. On the contour map below (Figure Q23) a coal seam was discovered at point A. The seam appears to dip to the West at 14 degrees, however, the geologist is not sure. Assuming th…
23. Photosynthesis is a process that a) takes place in animal tissue only b) syn
23. Photosynthesis is a process that a) takes place in animal tissue only b) synthesizes fatty acids with the aid of sunlight c) uses up oxygen…
23. Prior to the industrial revolution in the 1800s, the average concentration o
23. Prior to the industrial revolution in the 1800s, the average concentration of CO2 was about 280 ppmv. By approximately what percent have CO2 concentrations increased from thei…
23. Prokaryotic cells have DNA, but it is contained within a nucleus with a nucl
23. Prokaryotic cells have DNA, but it is contained within a nucleus with a nuclear envelope nucleoid which has no nuclear envelope A) B) C) D) E) ribosome fimbriae 24. Bacteria t…
23. Restorative rehabilitation care begins with: A. Good skin care and positioni
23. Restorative rehabilitation care begins with: A. Good skin care and positioning. B. Bowel and bladder training C. Counseling about economic problems. D. Consultation by differe…
23. Retreating to an earlier level of development or to earlier less demanding h
23. Retreating to an earlier level of development or to earlier less demanding habits or situations is called: a suppression b. repression c. projection d. regression 24. as a def…
23. Second law of thermodynamics states that energy is neither created nor destr
23. Second law of thermodynamics states that energy is neither created nor destroyed a. Energy conversion results in a loss of usable energy in form of heat Energy cannot be chang…
23. The Endosymbiotic Theory of Eukaryotic evolution is based on which organelle
23. The Endosymbiotic Theory of Eukaryotic evolution is based on which organelles as symbionts? a. nucleus b. chloroplast c. mitochondria d. a and b e.b and c 24. Increased Co, in…
23. The bacterial repair system that cortmimathed bases aer polymevieation is al
23. The bacterial repair system that cortmimathed bases aer polymevieation is alble ta discriminate between the old and wewly made DNA strands becnne a. the b older DNA is more li…
23. The electron transport chain is part of A. glycolysis C. oxidative phosphory
23. The electron transport chain is part of A. glycolysis C. oxidative phosphorylation. B. the citric acid cycle. D. fermentation. E. pyruvate oxidation. 24- The individual polype…
23. The enzyme that unzips or separates the DNA molecule during replication is _
23. The enzyme that unzips or separates the DNA molecule during replication is ______________. a.DNA ligase b. Helicase c. DNAase d. DNA polymerase 24. The enzyme that catalyzes D…
23. The limit of resolution of a light microscope is a function of A. the magnif
23. The limit of resolution of a light microscope is a function of A. the magnifying power of the lenses B. the numerical aperture of the lens C. the wavelength of light used D. B…
23. The mutation the causes Tay-Sachs disease, a autosomal recessive neurodegene
23. The mutation the causes Tay-Sachs disease, a autosomal recessive neurodegenerative disease that leads to death usually before the age of 5 years has remained in human populati…
23. The oxidation of glycolate to glyoxylate occurs in the a. chloroplast d. cyt
23. The oxidation of glycolate to glyoxylate occurs in the a. chloroplast d. cytoplasm c. peroxisome b. mitochondria e. vacuole 24. The enzyme that releases CO during the photores…
23. The plateau phase (phase 2) of an action potential observed in non-pacemaker
23. The plateau phase (phase 2) of an action potential observed in non-pacemaker cardiac cells is a result of which of the following? a) a delayed efflux of Ca2+, which balances a…
23. The replacement method of fossilization: 1) leaves behind only a thin film o
23. The replacement method of fossilization: 1) leaves behind only a thin film of carbon 2) fills 3) removes the original material and replaces it with minerals, preserving the in…
23. Transcribe the following sequence of DNA located on the coding strand: 5’-AC
23. Transcribe the following sequence of DNA located on the coding strand: 5’-ACGGTACATT-3’ a. 5’-ACGGUACAUU-3’ b. 3’-ACGGUACAUU-5’ c. 5’-UGCCAUGUAA-3’ d. 3’-UGCCAUGUAA-5’ I thoug…
23. True or False: Consuming alcohol before pregnancy can damage a mother\'s ovu
23. True or False: Consuming alcohol before pregnancy can damage a mother's ovum (egg) and a father's sperm, causing fetal abnormalities, while alcohol during pregnancy can limit …
23. Two lac auxotrophs, lacA1 and lacB1, have mutations in different genes withi
23. Two lac auxotrophs, lacA1 and lacB1, have mutations in different genes within the lac operon. Consider the experiments below: Experiment #1 : lacA1 strain-lactose minimal medi…
23. Use the diagram below of the global nitrogen cycle to answer the following q
23. Use the diagram below of the global nitrogen cycle to answer the following questions. Note: for the nutrient cycle diagrams, I do NOT want you to memorize pools and fluxes, I …
23. We can use a simple formula to find out structural information when provided
23. We can use a simple formula to find out structural information when provided a chemical formula. What we calculate is a value called the index of hydrogen deficiency, or IHD. …
23. What are the nonpolar parts of a phospholipid? A) Head group B) Tail group C
23. What are the nonpolar parts of a phospholipid? A) Head group B) Tail group C) Both are nonpolar D) Neither are nonpolar 24. This portion of the cell membrane enables cell memb…
23. What doe A) Access to the Signal Molecule at does a targec require to respon
23. What doe A) Access to the Signal Molecule at does a targec require to respond to an extraccl an extracellular signal molecule! B) The pre e presence of the appropriate recepto…
23. What is a trochophore larva and who has them? Platy helminthes 24. Know how
23. What is a trochophore larva and who has them? Platy helminthes 24. Know how to classify flatworms according to the 4 animal body plan features (see #8). 25. Be able to explain…
23. What is the function of the atlas (first cervical vertebrate P TWELVE THIRTE
23. What is the function of the atlas (first cervical vertebrate P TWELVE THIRTEES FOURTEEN ribs are found in humans TWELVB THIRTEEN FOURTEEN 24. The carpal bones of the mink core…
23. What kinds of information goes to coun a. financial records- including payro
23. What kinds of information goes to coun a. financial records- including payroll and specific b. performance improvement data c. medical staff performance evaluations d. all of …
23. What tools are necessary for studying viruses? Why couldn’t van Leeuvenhoek
23. What tools are necessary for studying viruses? Why couldn’t van Leeuvenhoek observe them in his studies? How can we study viruses today? 24. Describe how an animal virus infec…
23. When a cell of genotype F/f; G/g; H/h having all the genes on separate chrom
23. When a cell of genotype F/f; G/g; H/h having all the genes on separate chromosome pairs divides mitotically, what are the genotypes of the daughter cells? a) F/F; G/G; H/H and…
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