B. 7. Which of the following is a precursor for an active form of a digestive enzyme ? A chymotrypsin B trypsinogen C. amylase D. xanthine oxidase
Q: You are employed in a gene therapy laboratory to test the effectiveness of a vector for correcting…
A: The CFTR gene encodes the CFTR protein (cystic fibrosis transmembrane conductance regulator). It is…
Q: Complete the sentences You cross two mice with wildtype (long) tails and collect a male offspring…
A: Imprinted gene is whom gene is silenced and gene from other parent us expressed. In this case from…
Q: 1. Which of the following best describes a bacterium's movement? a. Circular b. Zig-zag or random…
A: B. Zig-zag or random walk
Q: 11. Review the following experiment and answer the questions. You set up an experiment where you…
A: Dialysis: it is a process to remove the waste material of the body in patients with kidney…
Q: Conifers
A: Abies pinsapo, commonly known as the Spanish fir or Pinsapo fir, is a species of coniferous tree…
Q: 3. You are planning to build a greenhouse for the school. This graph shows the effect of temperature…
A: 35°C shows better CO2 absorption as it reaches the saturation at much higher level of CO2 compared…
Q: Laboratory 11-Questions And most 4. You discover a new animal that has yet to be classified. You…
A: A dihybrid cross is a pairing procedure in which two different, genetically determined…
Q: Match the following digestive enzymes with the major products that they form. Salivary…
A: Digestive enzymes are essential for breaking down complex food molecules into simpler and easier to…
Q: The kind of DNA you inherit only from your mother (because only eggs have it, sperm don't have it)…
A: DNA or the Deoxyribonucleic acid acg is the genetic material of almost all biological entities…
Q: 5. Read the article on the following pages and answer the questions below. Be sure to review the…
A: Vaccination plays a crucial role in preventing the spread of infectious diseases and protecting…
Q: QUESTION 14 Which of the following statements about the sodium/potassium (Na+/K+ ATPase) pump is…
A: Active transport is used by the sodium-potassium pump to transport molecules from a higher…
Q: Select all that apply: Phenolics affect the structure of
A: Phenolics can interact with proteins by forming chemical bonds or non-covalent interactions. This…
Q: Nikolas is investigating the presence of four different genes (A, B, C and D) in Ladybugs using a…
A: PCR or Polymerase Chain Reaction is a technique which is used to create several copies of a…
Q: The chain of infection is an important aspect of life for everyone, especially those who work in the…
A: 1.The chain of infection majorly consists of these links: an infectious agent, a reservoir, a portal…
Q: The sequence shown in Figure 2 is the nucleotide sequence of a heat shock protein of Bacillus…
A: For the purpose of figuring out a gene's or protein's properties and function, nucleotide sequence…
Q: What molecules are present in regions of gel corresponding to A? What happens upon…
A: A family of transcription factors known as "heat shock factors" (HSFs) is essential for the cellular…
Q: What is the main function of anti-oxidant compounds? Select one: a. They donate hydrogen ions to…
A: The main function of antioxidant compounds is:a. They donate hydrogen ions to free radicals
Q: Which aqueous solution should have the most different freezing point from pure water (neglecting ion…
A: If ion pair formation is disregarded, the concentration of particles of solute can be used to choose…
Q: Which of the following answer choices describes the consequence of decreasing serum concentration of…
A: A decrease in HDL levels can lead to reduced efficiency in removing excess cholesterol from tissues.…
Q: What type of nucleotide is not involved in oxidation-reduction reactions? ONADPH O ATP OFAD Question…
A: The nucleotide that is not involved in oxidation-reduction reactions is ATP (adenosine…
Q: The human anti-bacterial protein lysozyme, consisting of a single polypeptide with 129 amino acids,…
A: In essence, a peptide bond is an amide-type covalent chemical connection. This bond connects two…
Q: I II III II-1 III-1 11-2 Aa 1-1 11-3 Aa 1-2 11-4 Example: Given the pedigree above, what is the…
A: Gregor Mendel was an Austrian scientist, biologist, and mathematician who proposed laws of…
Q: 44. A research paper published in the summer of 2012 presented a method to obtain the whole-genome…
A: The data given incorporates the number of reads for diverse sorts of genes at seven particular…
Q: For each of the following diagrams, name the type of transport happening. Then give the reason you…
A: There are a lot of cells in the human body. They perform vital bodily processes, take in nutrition,…
Q: Answer everything, please. Fill in the Blank Compare the life cycles of mosses and ferns by…
A: According to our guideline we can only only first 3 subparts. So, please upload rest of the…
Q: Describe your results in the following data chart as directed in the instructions for the laboratory…
A: TreatmentGrowthControl+++0.01% bleach-0.1% bleach-1.0% bleach-2.5% Lysol-5% Lysol-10% Lysol-0.03%…
Q: Which of the following answer choices correctly describes the function of amylase? Select one:…
A: A option is correct
Q: True or False: Alkalinophiles live best in acidic conditions.
A: Acidophiles, are microorganisms that thrive in acidic environments, such as acid mine drainage or…
Q: Name the functions, food sources, and deficiency and toxicity symptoms for your selected nutrient:…
A: Sodium is special type of chemical element of alkali metal group. Sodium is very soft and silvery…
Q: Young Saguaro Cacti Under another plant NOT under Expected Percentage 35% 65% Expected Number 85.75…
A: The chi-square test is a statistical test that is used to determine the significant association…
Q: 50 μm SALL Figure 3. Grasshopper testis with differential staining and viewed under a microscope.…
A: Meiosis is a type of reductional cell division consisting of two consecutive stages- Meiosis-I and…
Q: Question 4 The following are merozygotes of E. coli with combinations of lac operon mutations.…
A: Lactose (lac) operon is an example of inducable operon. That means when the inducer (lactose) is…
Q: Why are there two sexes? Why don’t we often see three sexes?
A: The reproductive system and biological distinctions between males and females provide the foundation…
Q: Two populations of snails live on opposite sides of a city. The frequency of the recessive allele…
A: Migration is the phenomenon of mass movement of population from one regional area to another.…
Q: (b)State 2 roles played by the process named in (a) above in plants (e) What observations would be…
A: The cell is the basic structural and functional unit of life which various structural entity called…
Q: Mannitol salt agar is a selective media that inhibits the growth of Gram-negative bacteria due to…
A: A Growth medium is an environment created by combining various nutrients that support the growth of…
Q: Identify the correct statement about the ribosomes of prokaryotic and eukaryotic cells. prokaryotic…
A: The smallest unit of a living being, including humans and other creatures, is a cell. The metabolic…
Q: Which of the following is the compound that animals use to store sugars? Select one: a. Cellulose…
A: The compound that animals use to store sugars is:e. Glycogen
Q: A person with blue eyes is called Group of answer choices homozygous dominant heterozygous…
A: The expression of the eye colour ranges from brown to blue and virtually anything in between . This…
Q: A scientist observing a cell during gene expression would be able to easily distinguish it as a…
A: The process by which an RNA molecule is created from genetic information contained in DNA is called…
Q: Recent studies have found instances of transgenerational inheritance of epigenetic traits in humans…
A: Researchers have examined how parents' activities influence their children, indeed if those…
Q: Calculate total population size
A: We have given the data about age groups, age midpoints, and dx values. We need to find out the…
Q: Question 24 Suppose a young boy is always tired and fatigued, suffering from a metabolic disease.…
A: The most likely organelle involved in a metabolic disease causing fatigue and tiredness in a young…
Q: Explain Tyndall effect, Brownian movement and Electrophoresis.
A: A colloid is a substance that lies between a solution and a suspension. A colloid is a…
Q: Create a detailed mind map. The central idea is “factors that influence Canadians’ participation in…
A: 1. Socioeconomic Elements:Individuals with a higher income may have greater access to sporting…
Q: Green Rf = 0.89 Red Rf = 0.81 Blue Rf = 0.72 Yellow Rf = 0.77 Which colored pigment has the greatest…
A: Chromatography is used to separate and analyze a mixture of components depending on how differently…
Q: 28. a. Can a tRNA exist that has the anticodon sequence 5' IAA? If so, which amino acid would it…
A: Transfer RNA (tRNA) molecules contain a sequence of three nucleotides known as the anticodon. It is…
Q: human visual system
A: It is a complex biological system which allows us to perceive and process visual information from…
Q: à sequence of eukaryotic DNA containing a hypothetical gene. The base that is first (at the 5' end)…
A: The genetic code is a system of rules that living cells use to interpret the information contained…
Q: 1.Where can we find the Circle of Willis in 10 mm pig embryo? What are the branches
A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…
Step by step
Solved in 3 steps
- 2.A person did not get food for 3 days and had lost his weight, ketone bodies were revealed in urine. To explain this: a)describe the main metabolic pathways providing energy for the liver cells during starvation and explain its regulation; b) discuss the hormonal changes; c)predict the deleterious effect of prolonged starvation.Enzyme 1 has peak activity at pH 2.4 and Enzyme 2 has a peak activity at pH 8.4. Which of the following choices correctly identifies the two enzymes? A) 1- pepsin; 2- lingual lipase B) 1 - pepsin; 2 - carboxypeptidase C) 1 - trypsin; 2 - aminopeptidase D) 1- trypsin; 2 - amylase E) 1- trypsin; 2- pepsinWhich of the following statements are true concerning the activity of bile salts? (Assessing Lipase Activity on Lipid Digestion) Choose from the following: (A) bile salts work by a chemical process (B) bile salts work by a physical process (C) bile salts act as an enzyme (D) A and C (E) B and C
- 1) The major function of high density lipoprotein (HDL) is to, choose all correct answers. (A) bind high density lipoprotein (HDL). (B) transport cholesterol to peripheral tissues. (C) serve as a precursor for cholesterol biosynthesis. (D) transport cholesterol from peripheral tissues to liver. (E) serve as a site for the esterification of cholesterol. 2). Individual with the genetic disease of Familial hypercholesterolemia have higher levels of cholesterol in the blood, which of the following could cause this disease: (A) deregulated biosynthesis of low-density lipoprotein (LDL) receptors (B) high dietary cholesterol (C) plaque formation in the arteries. (D) high cholesterol biosynthesis in liver tissue. (E) deregulated biosynthesis of low-density lipoprotein (LDL) 3) The enzyme inorganic pyrophosphatase utilizes ____ as its substrate. A). ATP B). ADP C). AMP D). PPi E). phosphate22. Which hormone is NOT derived from cholesterol? a. oxytocin b. testosterone c. both a and b d. neither a nor b 23. Which lipoprotein mostly contains triacyglycerol (TAGs)? a. HDL b. VLDL c. LDL d. chylomicrons 24. Which enzyme in cholesterol synthesis is inhibited by statins? a. HMG-CoA synthase b. HMG-CoA reductase c. both a and b d. neither a nor b 25. Which lipoprotein prevents the formation of plaque in the artery? a. HDL b. VLDL c. LDL d. chylomicrons 26. In which test/s will triacylglycerol yield a positive result? a. acrolein b. translucent spot c. both a and b d. neither a nor b 27. In which solvent will corn oil be soluble? a. hexane b. benzene c. both a and b d. neither a nor b 28. In which test/s will cholesterol yield a positive result? a. acrolein b. Huble's test c. both a and b d. neither a nor b 29. Which sample would test negative in saponification test? a. cholesterol b. 18:2 fatty acid c. both a and b d. neither a nor b 30. What test could distinguish…Patient who had undergone a complex maxillofacial operation could not takefood during 2 days, but glucose level in the patient's blood during that period wason the lower limit of normal. What mechanisms facilitate the maintenance ofnormal level of glucose in prolonged starvation? To answer this question:a) indicate normal fasting blood glucose level;b) draw the metabolic pathway ensuring glucose synthesis in patient's body duringa period of starvation, mark the enzymes and coenzymes;c) list the substrates of this process and its localization.
- 1. Select the INCORRECT statement about Glutamate dehydrogenase : a. Catalyzes the removal of NH4+ into glutamate b.Catalyzes the incorporation of NH*4 into a-ketoglutarate c. Catalyzes the removal of NH*4 from glutamate C d. Catalyzes the incorporation of NH'4 into a-keto acid1.A patient with chronic pancreatitis and hence decreased secretory function of pancreas was prescribed an enzymatic drug «Enzystal» before each meal. Explain this prescription. For that: a)Name pansreatic enzymes, participating in digestion of carbohydrates, lipids and proteins. What is their pH optimum and how is it reached in duodenum? b) Draw the scheme representing the cascade of activation of pancreatic proteolytic enzymes. Indicate the mechanism ofactivation and its reversability c)Why are proteolytic enzymes secreted by pancreas in inactive form? d)What recommendations on diet can be given to this patient?One example of a stage 1 reaction in the heterotrophic breakdown of food molecules is: A. the intracellular digestion of some amino acids into NH4+ and pyruvate B. the intramitochondrial digestion of fatty acids into carbon dioxide and water C. the extracellular digestion of triglycerides into fatty acids and glycerol D. the intramitochondrial digestion of pyruvate into carbon dioxide and water E. the intracellular digestion of glucose monomers into pyruvate
- All of the following are true with respect to alpha-glucosidase inhibitor, except:A. It inhibits intestinal alpha-glucosidase B. It decreases enzymatic conversion of oligo- to monosaccharidesC. It lowers postprandial glucoseD. It causes gastrointestinal disturbances.E. It may cause development of hypertension.1. Insulin.....a. Carries glucose into the muscle cellb. signals the muscle cell to take up glucose c. signals the synthesis of glucose in the liver d. carries lactate from the muscle to the liver 2.In the fasting, state, the Liver helps maintain a normal level of blood glucose by: a. Making ketones and storing them for later.b. stopping glycolysis and using alternative fuels for energyc. speeding up glycolysis because it needs energy to make glucose d. Beginning glycogenesis to build up glucose storageThe end product of protein digestion is: a) monosaccharides b) glycerol and fatty acids c) nucleotides d) amino acids The role of the hormone secretin is: a) to signal the release of bile from the gall bladder d) to signal the release of digestive enzymes from the pancreas c) to raise the pH of the intestine d) to signal the removal of kinetic acid from lipids Which of these two substances serve as emulsifying agents in the digestion of lipids? a) cholecystokinin and secretin b) monoacylglycerols and bile salts c) lipases and proteases d) kinetic acid and cholesterol Triacylglycerols are packaged into which unit before being secreted into lymph fluid? a) chylomicrons b) liposomes c) lysosomes d) kinetic acid micelles Breakdown products of most nutrients are fed into the Krebs Cycle as which molecule? a) glycogen b) ATP c) acetyl-CoA d) NADH A process in which protein is built from amino acids would be: a) anabolic b) catabolic c) diabolic d)…