2. What is a checkpoint? Give an example and say what happens at that checkpoint.
Q: What is the rise per turn associated with an alpha helix?
A: Proteins are specialized macromolecules that are necessary for the structure and operation of living…
Q: During fasting or starvation, the body converts to the production of ketone bodies. Diagram…
A: The objective of the question is to understand the biochemical pathways involved in the production…
Q: Genetics Q3
A: The objective of the question is to identify which family members could have passed the…
Q: A protein has a molecular mass of 400 kDa when measured by size-exclusion chromatography. When…
A: Size exclusion chromatography is a technique which separates molecules according to their size…
Q: . The is primarily responsible for establishing the negative resting membrane potential of neuronal…
A: It is important for cells to be able to uptake nutrients. This function as well as movement of ions…
Q: why does A2-B3 structure is active (contain the antibiotic) and the (A2-…
A: Aldehydes and ketones react with hydrazine to form hydrazones which is a part of Wolff-Kishner…
Q: Along the pathway shown belour for a reaution when Est represents on enzyme bound transition state,…
A: The state that is attained by the substrates through a molecular arrangement during a reaction. This…
Q: 4. Which of the following is a correct description of the peptide segment shown below? A. The amino…
A: Amino acids joined by peptide bonds form compounds known as peptides. These macromolecules, which…
Q: Please draw titration curves for peptide HFDTYA and HEKDGQ, and calculate the pl for each. Use this…
A: Peptides are composed of amino acids. Some amino acids have ionizable side chains while others do…
Q: 7. Complete the scheme for isocitrate dehydrogenase. Name the reactant and product. Draw and name…
A: Kreb cycle or citric acid cycle is a sequence of reactions that take place in mitochondial matrix…
Q: The chromatogram shows fluorescent peak data from a dye-terminating nucleotide-sequencing reaction.…
A: In 1977, Frederick Sanger and his colleagues developed a method for sequencing DNA, which was later…
Q: Determine the fraction of Vmax that would be obtained when the substrate concentration, [S], is…
A: Michaelis-Menten equation:Leonor Michaelis and Maude Menten created a simple model that accounts for…
Q: Part A What kind of inhibition is imposed on HIV protease by ritonavir? O irreversible inhibition O…
A: Enzyme inhibition is when an inhibitor binds to the enzyme at the active site or another site, which…
Q: The enzyme aspartate transcarbamoylase (ATCase) catalyzes the reaction below and, as discussed in…
A: The 4 main categories of biochemical reactions are;Neutralization : reactions between an acid and…
Q: Select the following enzymes that utilize a mechanism involving covalent catalysis. Triose phosphate…
A: In covalent catalysis, the enzymes temporarily forms a covalent bond with the substrate, forming an…
Q: II. Analysis. Given below is a schematic diagram for a simple analysis of a novel tetrasaccharide…
A: Benedicts test : This is the biochemical test that is used to identify the presence of reducing…
Q: Genetics Question 1
A: The objective of the question is to determine which inheritance pattern can be eliminated based on…
Q: Question 8 Listen In Labrador dogs, there are 2 genes that determine coat color. One gene has a…
A: The objective of this question is to determine the probability of a Labrador dog being black given…
Q: 1- Pain is one of the cardinal sign of inflammation, Give the mechanism behind 1 development of this…
A: The main cause of pain during inflammation is the production of chemical mediators such as…
Q: (a) AG for transport of a proton from the mitochondrial matrix (inside) to the intermembrane space…
A: Where,C( inside)= Concentration of H+ ions inside the mitochondrial matrixC(outside)= Concentration…
Q: 2. Calculate [H*] and [OH-] for the following a. Baking soda (pH 8.4) b. Beer (pH 4.5)
A: The objective of the question is to calculate the concentration of H+ and OH- ions in solutions of…
Q: Draw the structure of the dipeptide Val-Ile at physiological pH.
A: Val-Ile dipeptide is composed of the amino acids valine (Val) and isoleucine (Ile). Valine is the…
Q: 2. Amino acid analysis of the a heptapeptide gave the following residues: Asp Glu Leu Lys Met Tyr…
A: Edman degradation of a peptide results in the release of the N-terminal amino acid of the peptide as…
Q: A high concentration of which of the following would activate the citric acid cycle? ADP ATP Acetyl…
A: In the animal tissue, the citric acid cycle takes place in the mitochondrial matrix. Acetyl CoA from…
Q: Genetics Question 6
A: A spontaneous mutation is a change in the DNA sequence that occurs naturally and randomly without…
Q: 6. Malate dehydrogenase catalyzes the following reversible reaction: NAD+ NADH + H* IZI malate…
A: Biological oxidation-reduction reactions or redox reactions involve the transfer of electrons from…
Q: Genetics Question 7
A: The question is asking about the possible origins and consequences of spontaneous mutations in…
Q: The chromosomal sequences of two mutant alleles of gene A from patients with the zero subtype…
A: DNA is the genetic material. An alteration in the DNA sequence of an organism by the substitution or…
Q: What is the pH of a solution of 4.1 x 10-8 M NaOH in otherwise pure water?
A: The objective of this question is to calculate the pH of a solution of sodium hydroxide (NaOH) in…
Q: Match the number in the image with the correct name for the lab supply 1 2 ♡ AGEN QIAGEN QIAGEN QIAC…
A: The industry standard for isolating total RNA is RNeasy Kits. They use 96 well plates or silicon…
Q: Hurray! The bacteria did their job and expressed your protein. Now, you need to isolate…
A: In order to answer this question we have to use the clue given in the bracket in the last sentence.…
Q: Polar and neutral HO H OOC-CH₂-CH₂-C-COO NH3 NH3 CH₂-CH-C-0 0=0 Nonpolar hydrophobic amino acids Met…
A: Amino acids are biomolecules in which an alpha-carbon is bonded to 4 groups. The 4 groups are;a…
Q: Problem: From the following information determine the amino acid sequence of a peptide. N-terminal…
A: When a polypeptide undergoes edman degradation it gives PTH derivative of an amino acid residue. The…
Q: Briefly explain the direct effect (i.e., not via hormones) glucose has on the enzyme, referring to…
A: a) Glycogen phosphorylase is a key enzyme in glycogen breakdown. It cleaves glycogen by the addition…
Q: When the product of reaction \\( A \\) becomes the reactant of reaction \\( B \\), the metabolic…
A: Metabolism is the sum of all the chemical changes (anabolism and catabolism) occurring in the cell.…
Q: Consider this simplified diagram of the catabolism of proteins. protein hydrolysis amino acid B…
A: Proteins are macro molecules which are made up of amino acids bonded through a peptide bond.…
Q: EF-G is a macromolecular mimic of EF-tu. It's role in translation is to To cause the large subunit…
A: Translation is the synthesis of the protein from m RNA. There are various initiation and elongation…
Q: 3a.What is the state of the sunflower seed oil at room temperature? Solid or liquid? Explai why.…
A: Saturated and unsaturated fatsSaturated fats are solids at room temperature. As saturated fatty…
Q: Leu-Glu-Glu-Val-Phe-Ser-Gln-Leu-Cys-Thr-His-Val-Glu-Thr-Leu-Lys a) Circle all of the hydrophilic…
A: Answers to a) and b)Hydrophilic amino acid residues are circled and hydrophobic amino acid residues…
Q: Identify the following lipids as wax, triglyceride, eicasanoid, phospholipid, or steroid 1.
A: We are given four lipid structures and we have been asked to identify the type of lipid.Lipids are…
Q: The first recombinant human growth hormone (available in 1985) had an extra amino acid (relative to…
A: Human growth hormone (hGH or HGH), commonly referred to as somatotropin or growth hormone (GH), is a…
Q: Genetics Question 4
A: The AR gene provides instructions for making a protein called the androgen receptor. Androgens are…
Q: If you discover that a protein binds more than one molecule (ligand). How can you determine whether…
A: Proteins are the large and complex biomolecules composed of a large number of amino acids attached…
Q: For your first experiment you make a membrane of pure myristic acid and measure the melting curve…
A: Melting temperature of a membrane (Tm) is the temperature value at which the membrane fluidity is…
Q: Dihybrid Cross Problem 7: Homozygous offspring of a dihybrid cross. In a dihybrid cross, AaBb x…
A: The objective of this question is to determine the fraction of offspring that will be homozygous for…
Q: fractional occupancy
A: The fractional occupancy quantifies the fraction of total protein binding spots taken by ligands at…
Q: GQ 6
A: The objective of the question is to determine the epistatic relationship between the genes that…
Q: Antibodies are one of the key elements in the human immune system. a. What is the general structure…
A: A big Y-shaped protein called an antibody (Ab), sometimes referred to as an immunoglobulin (Ig), is…
Q: Draw the titration curve for an 800 mL 0.25 M solution of Arginine. (Graph pH vs. mole OH-.) Where…
A: An amino acid is simply an alpha-carbon bonded to 4 groups. The 4 groups are;an alpha-carboxyl…
Q: B-mercaptoethanol is a reducing agent for disulfide bonds, resulting in the breakage of the…
A: Disulphide bond is a disuphide bridge between two cysteine residues which are in close proximity.…
AI-generated content may present inaccurate or offensive content that does not represent bartleby’s views.
Unlock instant AI solutions
Tap the button
to generate a solution
Click the button to generate
a solution
- 3.Mention what are the important functions of apoptosis? discuss briefly at your own words?.1. How do the daughter cells compare in size relative to the parent cell? 2. List several reasons for mitosis in plant or animal cells. Use complete sentences for full credit.11. What moves the chromatids during mitosis? 12. What anchors the spindle? 13. What are the four phases of mitosis? 14. How many daughter cells are created from mitosis and cytokinesis? 15. During what phase does cytokinesis begin? 16. If a human cell has 46 chromosomes, how many chromosomes will be in ea daughter cell?
- 6. Which best-described checkpoint? A. A site in the cytoplasm where proteins are inspected for mutationsB. Either G1, S phase, G2, prophase, metaphase, anaphase, or telophase.C. Specific stages where further progress of the cell cycle can be haltedD. Any step where the cell cycle is blocked by a mutated protein3. What happens during the G, phase? 4. What is the importance of the G, phase? 5. What is interphase? What are the events during this state? 6. What are the important events in each stage of mitosis? Refer to the illustration below.2. What are ensured by G, and G, as well as metaphase checkpoints? 3. What happens during the G, phase?
- 1.What stage of mitosis would be the most likely to stall if there was an issue with the microtubules? Why?1. a. What are the three categories of genes mutated in cancer cells? What is the effect of mutation of each? b. What is the function of checkpoint controls in the cell cycle? What is checked at G1, S, G2 and M phase before the cell can progress to the next phase?5. Mark whether each of these items stimulates or inhibits the cell cycle: Item Inhibits cell cycle? Oncogene Tumor suppressor Retinoblastoma protein (RB) p53 p21 Her2 Cyclin proteins Stimulates cell cycle? yes Yes Yes Yes yes Yes 1
- 9. Complete the following table, which compares embryonic stem cells to adult stem cells. Embryonic stem cells Adult stem cells Description3. Identify the following: a. the sex cell produced by the female b. cell division in which two cells, each with the same number of chromosomes identical to the parent, are produced from one cell c. cell division that results in the formation of four sex cells, each of which has half the number of chromosomes as the parent cell d. a cell part that organizes the web along which chromosomes move during cell reproduction e. a jellylike, living substance inside the cell membrane but outside the nucleus f. the creation of a new organism through the union of an egg and a sperm g. the union of a male sex cell (a sperm) and a female sex cell (an egg) h. the strands of material that determine traits of daughter cells (deoxyribonucleic acid) i. refers to any trait or material that determines characteristics passed on from the parent(s) j. a group of molecules used as both building materials for cell growth and as a control factor for cell behavior21. describe the differences between stem cells and proliferating differentiated cells in mitosis/ cell division. you may use outside resources but you must cite them in your answer.
