1. Photoreactivation destroys the covalent bond by using the light energy from the UV light source that does not occur in humans. a. True b. False
Q: Ben, Marie, and Korra are siblings. Ben is blood type O, Anna is blood type B, and Kora is type A. W...
A: Blood group of an individual can be detected by the absence or presence of specific proteins known a...
Q: Describe one medical/ethical issue that was raised in your lifetime involving politics. How was poli...
A: In light of the recent pandemic that has created shockwaves globally, disruptions pertaining to the ...
Q: 1. Enumerate and discuss the illuminating parts of the microscope and give their respective function...
A: A microscope is an optical device that magnifies pictures that are too tiny to see with the naked ey...
Q: II. Match each item in column A with an item in column B. Write the letter of the correct answer on ...
A: Brain is a very complex organ which controls many activities involved in regulation of body.
Q: a 60-year-old Patient was taken to the hospital by ambulance for an obturation intestinal obstructio...
A: Intestinal obstruction is a blockage that keeps food, or bowel passing through small or large intest...
Q: How would a mutation which prevented Gal3 from binding to Gal80 affect gene expression from the GAL ...
A: Galactose metabolizing genes express themselves in the presence of galactose. Galactose is metaboliz...
Q: Can someone please explain the distinction of natural selection and evolution of populations?
A: Answer
Q: Can you help me identify the specific structure pointed
A: This is transverse section of kidney. The labelled pointed section attached below.
Q: dentify a competitive inhibitor and the enzyme that it impacts. Describe how the competitive inhibit...
A: Competitive inhibitors are those substances that compete with the substrates to bind to an active si...
Q: For a simulated population in AlleleA1 to be in Hardy-Weinberg equilibrium, the mutation rate would ...
A: The physical traits or appearance of an organism are referred to as its phenotype. The genotypes, or...
Q: Sexual reproduction introduces genetic variation more frequently than asexual reproduction. Which pr...
A: In Asexual reproduction only single parent is involved in producing offspring because of that offspr...
Q: PART I. THE THEORY OF EVOLUTION. DIRECTIONS: Complete the paragraph about evidence of evolution by c...
A: Introduction :- The theory of evolution is founded on the assumption that all species are connected ...
Q: Make simple diagrams tracing the life history of Schistosoma japonicum
A: Schistosoma japonicum: Schistosoma japonicum is a significant parasite and one of the main schistos...
Q: Why do you need to lest the null hypothesis instead of just proving an alternatine bypothesis?
A: A null hypothesis is a claim that no link exists between two variables. An alternate hypothesis is a...
Q: Is COVID-19 virus will destroy/damage ALL the blood vessels and layers of the walls of the heart? if...
A: Even though COVID-19, the coronavirus that triggered the global pandemic, is largely a breathing or ...
Q: How was smallpox eliminated? Natural immunity? Vacination? Etc. Appreciate that viruses are obligate...
A: Microbes are organisms that are too small to detect without a microscope, such as bacteria, archaea,...
Q: 5. Molecule #5 a)What Group? (Carb, Lipid, Protein, or Nucleic Acid). b)Within the group, how would ...
A: Macromolecules are a large molecule that includes biomolecules such as protein, lipid, nucleic acids...
Q: Consider the endomembrane system. Explain how a CFTR protein would be produced/synthesized in a lung...
A: CFTR ( cystic fibrosis Transmembrane receptor) protein is help in regulation of chloride and sodium ...
Q: A homozygnous Dominant brown mouse is crossed with a heterozynous Brown mouse(tan is ressesive color...
A: A gene is a piece of DNA that contains the instructions for a specific feature or attribute. Heteroz...
Q: General Biology - True or False , you can read the instructions for clarification, thanks!
A: Genetic modification is a methodology for altering a plant's, animal's, or microorganism's qualities...
Q: Describe the fluid mosaic model of cell membrane structure.
A: The cell membrane is also called as plasma membrane, it is membrane which is separate interior envir...
Q: 3 4 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 ху Match the chromosome to its homologous chromos...
A: 1 answer... The total chromosome is 46 or 23 pair, because the each homologous chromosome have two ...
Q: List three general uses for industrial fermentation ethanol.
A: On an industrial scale, ethanol is produced by the fermentation of molasses. Molasses is the mother ...
Q: 1. Why do we pass the smear in the open flame of the bunsen burner 3 times? What do we want to achie...
A: 1.sampling usually have the following stages to identify the bacteria. Staining smear preparation H...
Q: Please help explain this Vpr counteracts the LAPTM5 mediated degradation of HIV-1 Env
A: HIV-1 accessory protein Vpr enhances infection in macrophages but not in CD4+ T cells remains elusiv...
Q: please help me do this question it's an essay question, it needs atleast 8 to 10 points
A: Host defenses are protective mechanisms against infections which consists of natural barriers such a...
Q: The ____________ are used for grinding and chewing. Group of answer choices Canines Molars No answer...
A: Answer- Molars #Molars are used for grinding and chewing
Q: Which one of the following may produce "wrinkled" colonies on medium? Select one: O A Chlamydia O B....
A: As per our guidelines, we are supposed to answer only one question. Kindly repost other questions as...
Q: If RR stands for red, RR' stands for roan and R'R' stands for white; as well as B stands for bucking...
A: The Punnett square can be used to determine the genotypes in a cross or mating experiment.
Q: Functional Group Name Structural Diagram (draw all bonds) Found where in the body??? 7. 8. Sulfhydry...
A: Introduction:- Alcohol is dispersed throughout the body's fluids, exposing most tissues, including t...
Q: How can one use a pedigree chart to hypothesize how a certain condition is transmitted? Can a pedig...
A: An individual's genotype determines his or her phenotype. The genotype is established by the alleles...
Q: Lynx mate in March and have litters of 3 to 5 kittens in May. Lynx kittens are born blind and naked....
A: Introduction Nocturnality refers to an animal's habit of being active at night and sleeping during t...
Q: А C
A: Morphology: The metacercariae, O. felineus has the similar morphology to those of the liver flukes. ...
Q: Describe the structure of viruses/ how they replicate. Include how the genome of the virus could aff...
A: I am giving answer to the first question only. Please repost the remaining question separately. Vir...
Q: The expression of antigen A or antigen B in red blood cells requires the help of an H antigen. A rec...
A: Given information Antigen A and antigen B in red blood cells need H antigen for expression. A reces...
Q: Continuing his experiments, in Miles Morales' genome, the Goblin found similar genes, including one ...
A: In the given case, let the allele associated with invisibility be “I” and allele associated with agi...
Q: In mice, brown fur color is dominant to black fur color. Another gene affects the production of pigm...
A: Epistasis occurs when the expression of one gene is influenced by the activation of one or more gene...
Q: Describe the ways that membrane proteins associate with the lipid bilayer.
A: The cell membrane, also known as the plasma membrane, separates the interior of the cell from the ou...
Q: Cite and explain the factors that led to an enormous bloom of animal diversity in the Paleozoic era.
A: Paleozoic era began somewhere around 541 million years ago and ended around 252 million years. The ...
Q: and have no 6. Bacteria do not have a a. nucleus, cell membrane b. nucleus, organelles c. cell membr...
A: Answer 6- b. Nucleus, organelle Bacteria do not have a nucleus and have no organelle in them( except...
Q: Explain how a pigment absorbs light
A: Photosynthesis is the conversion of light energy into chemical energy by phototrophs, which is then ...
Q: Shaded in black-white trait (Glucose-6-phosphate dehydrogenase deficiency) 1. What type of x-linked...
A: Answer 1- The type of x-linked inheritance is shown in the chart above is : b. X linked recessive ...
Q: The arrow is pointing to a cavity called a that is normaily filled with
A: Answer: The arrow is pointing to a cavity a ventricle that is normally filled with fluid. Option b)...
Q: 6. Peptide bonds link many amino acids into chains of subunits that make polypeptides, or proteins. ...
A: Peptide bond Peptide bond is a type of covalent bond present in between two molecules of amino acid...
Q: 1. Which of the following drugs is not a cardioselective beta-blocker? * A. Esmolol B. Atenolol C. P...
A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...
Q: Which parameter from the software must you adjust in order to give a "selection advantage" to organi...
A: Evolution is the branch of science which deals with change in the species and its characteristics ov...
Q: Why are males more prone to having x-linked recessive disorders? a. Because the y chromosome is sma...
A:
Q: Assume height in corn is controlled by 4 genes. The base height is 24 inches, and each dominant alle...
A: The height is controlled by 4 genes. The base height which means with recessive genotype is 24 inch...
Q: Please answer to best of ability asap
A: Introduction Mutation is described as a change in nucleotide sequence or chromosomal structure that ...
1. Photoreactivation destroys the covalent bond by using the light energy from the UV light source that does not occur in humans.
a. True
b. False
Answer:
2. Single-stranded annealing can cause loss of genetic information.
a. True
b. False
Answer:
3.) This family of enzymes removes the damaged base before a
a. Ligase
b. Polymerase
c. Tropo-isomerases
d. Glycosylases
Answer:
Step by step
Solved in 2 steps
- Which of the following statements is FALSE regarding the molecular mechanism for DNA polymerases? A. The active site contains 2 divalent metal ions B. A single stranded DNA template is required C. The enzyme can only attach a new deoxynucleotide to the 5’ end of a growing chain D. The 3’OH on the deoyxyribose ring attacks a phosphate of a dNTP to produce a new phosophodiester bond E. None of the above (all are true statements)A researcher is performing PCR to amplify a sample of DNA. Unfortunately, he forgot to add the DNA primer prior to starting the experiment. Which of the following results is he most likely to observe? a. The reaction will work, but at a significantly slower rate. b. The reaction will work, but the product will contain many undesired mutations. c. The reaction will work, but amplify a region that was not his target. d. The reaction will be completely unsuccessfuIn the dideoxy-sequencing reaction, what terminates DNA synthesis at a particular base? a. The absence of a base on the ddNTP halts the DNA polymerase. b. The ddNTP causes a break in the sugar–phosphate backbone. c. DNA polymerase will not incorporate a ddNTP into the growing DNA strand. d. The absence of a 3′-OH group on the ddNTP prevents the addition of another nucleotide.
- You used agarose gel electrophoresis to separate DNA fragments of different size and the experiment worked well. However, you wanted to re run the experiment but this time you made the gel with a higher percentage of Agarose. How might this affect your results compared to the first run? a. There would be no difference between the runs since it is the current, not the agarose that causes migration. b. The higher concentration of agarose would cause the DNA to break apart. c. You can't predict how the concetration of agarose would affect migration. d. The DNA fragments would migrate further down the gel than they did the first time. e. The DNA fragments wouldn't migrate as far down the gel as they did the first time.Explain the concept & importance of DNA polymerase III ?2) The authors investigate if the switch from the polymerase to the exonuclease site involves releasing and re-binding of the DNA or if it utilizes an intramolecular rearrangement. To accomplish this, they use a primer-extension assay. How is a primer extension assay performed? In answering this question, be sure to mention a.) why heparin is used, b.) how they generate mismatched primers, and c.) how they visualize only the primer strand and not the template strand on their gel.
- Considering the Polymerase Chain Reaction (PCR), we can state that: a) It is a technique that promotes linear amplification of the number of DNA molecules in a sample. b) Depends on an initial template which can be a DNA or RNA molecule c) The reaction must contain, in addition to the template sequence, nitrogenous bases, sense and antisense primers and DNA polymerase enzyme. d)The primer sense rings on the template strand 3’>5’, extending from the 3’ end e)DNA strands are anti-parallel and DNA polymerase can only synthesize DNA in a 5' to 3' direction. How does the enzyme synthesize both strands at the same time? A. The leading strand is sythesised in Okazaki fragments B. The lagging strand is synthesised in short Okazaki fragments. C. Only one strand is replicated. D. There are more than one DNA polymerase involved.1. What happens in the denaturing step of PCR? A. What happens during the annealing step of PCR? B. What happens during the extension step of PCR? C. What temperatures is associated with each PCR step? D. Why is it necessary to have a primer on each side of the DNA segment to be amplified? (Hint: draw it out to see what happens with only one primer). E. How did the Taq DNA polymerase acquire its name? F. Why are there nucleotides (A, T, G, C) in the master mix? What are the other components of the master mix and what are their functions?
- You desperately need to join two DNA fragments, one with an EcoRl site and the other with a BamHI site.Both enzymes leave 5' overhangs cutting after the first base. EcoR/ cuts at gaattc, BamHI at ggatcc. Whichof the following statements is true? A. You can not ligate these fragments.B. You can remove the overhangs with another restriction and ligate the blunted ends.C. You can fill in the ends with DNA polymerase and ligate the blunt ends.D. This can be done directly as the 5' overhangs anneal.E. You are better to replace EcoR/ with a related enzyme that leaves a ligatable 3' overhang. Please explain why it's CThe diagram illustrating the polymerase chain reaction (PCR) technique is provided below. How does the number of copies of the DNA region being amplified change at the end of each cycle of the polymerase chain reaction? Group of answer choices a. The number of copies triples (or triplicates). b. The number of copies does not change. c. The number of copies quadruples (or quadruplicates). d. The number of copies doubles (or duplicates). e. The number of copies halves.A single DNA molecule contains two specific target sites separated by an intervening sequence. If site-specific recombination between these sites causes the intervening sequence to be released as a separate circular DNA molecule containing one target site, then the sites were oriented in A) opposite directions causing excision. B) the same direction causing excision. C) opposite directions causing integration. D) the same direction causing integration. E) the same direction causing inversion.