Which statement is TRUE regarding the DNA ligase mechanism? A)the last step of the reaction proceeds through a tetrahedral intermediate B)ATP is an obligate donor of an adenylyl group in the reaction of the bacterial enzyme C)The high energy of a phosphoanhydride bond is conserved in the reaction D)The phosphate of the AMP product is linked to the 3'-OH of the ribose E)ATP is required as an energy source to overcome the transition state barrier

Q: how enzymes are involved with proofreading newly formed DNA molecules.   1. DNA polymerase does not…

A: In proofreading process, The polymerase checks whether the recently added base has matched…

Q: B C E

A: A- TRICEPS FEMORIS B- ADDUCTOR LONGUS C- SARTORIUS D- ADDUCTOR MAGNUS E- GRACILIS MAJOR

Q: Glucose in urine is an indication of all of the following, except blood glucose levels are high Tm…

A: Glycosuria  It is a condition in which a person's urine contains more sugar, or glucose, than it…

Q: Surgical method of sterilization in a woman involves cutting and tying of: A. Ureter B. Uterus C…

A: Tubal ligation is a surgical operation that involves cutting or sealing the fallopian tubes. Having…

Q: Colonies that produce alkaline waste on Hektoen enteric agar will turn O blue-green. O pink. O…

A: Colonies that produce alkaline waste on Hektoen enteric agar will turn blue- green.

Q: Which of the following enables ions such as sodium to cross a plasma membrane? A. phospholipid…

A: Plasma membrane  It is a semipermeable membrane made up of proteins, phospholipids, carbohydrates…

Q: What do you think are some best practices to control viral diseases in Aquaculture systems? Explain…

A: Aquaculture is the fastest growing food-producing sector globally and, with intensification of the…

Q: (a)What are the two superfamilies of proteins in which amylase is categorized? (b)To which…

A: Proteins are made up of amino acids that are linked together by peptides. Along with the R side…

Q: Cell membranes can maintain a difference in electrical charge between the inte- rior of the cell and…

A: Cell has an electric charge difference across its membrane. The reason behind this is the unequal…

Q: You've discovered a new organism that contains a mutant form of Hemoglobin (red line on right) and…

A: The heamoglobin binds the oxygen molecules and flow it through the whole body . The bind of oxygen…

Q: What is the evidence that gene duplication has been thesource of the α and β gene families for…

A: Multiple genes in the gnathostome α-globin gene clusters are derived from a common ancestral gene…

Q: A histological specimen of spleen shows a vessel with a wall consisting of endothelium and…

A: Introduction :- A part of the lymphatic system, the spleen is an organ. The spleen is responsible…

Q: Hello! Talk about the lecanemab and solanezumab treatments towards Alzheimer's diseases. It is…

A: Alzheimer's disease- is a neurodegenerative disease that has a slow start and worsens progressively.…

Q: A compound organism consisting of a photoautotroph and a fungus is called (a) an arbuscular…

A: Introduction :- Photoautotrophs are organisms that produce organic materials using light energy and…

Q: A B, and Cgenes are linked with Bin the middle. AB are 12 cM and BC are 20 cM apart. If ABdabC is…

A: If the geans are located on the same chromosome then they are called as linked genes. In this…

Q: State specific factors that contribute to the rapid evolution of bacteria and archaea.

A: All living species are regularly classified into three fundamental domains: Bacteria, Archaea, and…

Q: In the four o’clock plant Mirabilis jalapa, leaf color is governed by organelle inheritance of…

A: Introduction :- Amyloplasts (which store starch), elaiplasts or oleoplasts (which store lipids), and…

Q: What was the inspiration for the CRISPR technology? (The answer will complete the following…

A: CRISPR is a group of DNA sequences present in the genomes of bacteria and archaea, which are…

Q: Biologists have discovered that many mycorrhizal fungi are sensitive to a low pH. What human-caused…

A: A mycorrhiza is a symbiotic association seen between a fungus and a root of a plant. The term refers…

Q: Describe the structure and common shapes of prokaryotic cells.

A: Single-celled creatures known as prokaryotes are the oldest and most rudimentary types of life on…

Q: 6.3.7 Activit (1) List and briefly explain four methods of studying an E-S complex. (2) (a) Which…

A: Amino Acids are organic compounds that combine to produce proteins, which is why they are known as…

Q: Order the events leading to the sperm's nucleus fusing with the egg's nucleus.   Question 1…

A: Fertilization is defined as the union of sperm and ova. Fertilization leads to formation of zygote.

Q: B) Complement system activation and elimination of a bacterial pathogen "Map the activation of the…

A: The complement system is a part of the body's defence system that enhances the ability of antibodies…

Q: Order the events leading to muscle contraction. Ca ions bind to troponin myosin binds to actin…

A: Muscle contraction It is defined as the muscles tightening or lengthening during performing an…

Q: Question 32 The primary functions of the spinal cord are O local control and decision-making for…

A: The long, thin, tubular bundle of neurons and supporting cells that originate from posterior end of…

Q: Natural selection occurs when which of the following conditions are met? Individual organisms…

A: Natural selection can be referred to as the method by which the most well-adapted forms of living…

Q: Examining Figure 20-8, explain why the rate of evolutionat nonsynonymous sites is lower. Do you…

A: Introduction A mutation is a change in an organism's DNA sequence. Mutations can occur as a result…

Q: explain how p53 functions in a cell that sustained DNA damage to prevent progression of that cell…

A: p53 induces numerous different target genes and blocks the different stages of progression of tumor…

Q: . Briefly explain the mechanism of gene flow.

A: Gene flow is also known as gene migration. The transfer of genetic information from one population…

Q: Explain the underlying cause of inborn errors of metabolism (a diagram can be used to illustrate…

A: Inborn errors of metabolism are metabolic disorders which occurs due to the genetic disorders which…

Q: Describe each way viruses may be classified. And Define each of the following parts of a virus,…

A:

Q: Compare the bodies of an Old World monkey, a New Worldmonkey, and an ape, giving examples of each.

A: Callitrichidae, Cebidae, Aotidae, Pitheciidae, and Atelidae are the five primate families that make…

Q: 1. Explain why the homologous structures in part I are evidence of evolutionary relationships.

A: The figures that are shown in Part I are structures of homologous organs. These are the structure of…

Q: Every DNA sequence that can serve as an origin of replication is found to contain a DNA strand that…

A: The DNA double helix is unwrapped at precise locations termed origins, where replication begins.…

Q: What letter represents the carrylng capacity on the graph? Choose One B Number of Individuals

A: The population is the collection of all the individuals of a particular species in a particular area…

Q: Synthesis phase in the cell cycle is called so, because of the synthesis of more: A. RNA B. RNA and…

A: Introduction - A cell cycle is a series of events that occur in a cell as it divides and expands.…

Q: 1) Give the genotype of the offspring (this time simply follow the given sequence above and separate…

A: There are three types of genes in Drosophila . These are :-  I ) Cinnabar eyes :- Cinnabar eyes are…

Q: (0-E}E (.6254'|4=285 Signal of Grey Squirrel Observed (0) Expected (E) High pitch honest signal…

A: The chi-square (X2) test is performed to compare the observed and expected data of an experiment.…

Q: Glucose transport out of intestinal cells into the bloodstream requires which of the following?…

A: The glucose is absorbed from the intestinal lumen into the brass border cells of small intestine.…

Q: How do you feel about GMO foods th

A:

Q: 49. The hip joint is formed by the articulation of the of the_ to the which is the socket on the…

A: Introduction Joints:- Joints are where two bones meet to allow movement, it makes the skeleton…

Q: 40. What is the pointed structure of the frog? a. Tendon of achilles b. Peroneus c. Gastrocnemius d.…

A: Pointed structure of frog :-

Q: 5) Briefly explain why the formation of a tumour can pose a risk to a person's homeostasis.

A: Cancer is a condition in which cells proliferate abnormally and infiltrate, erode, and kill healthy…

Q: Identify the scientific name of the following gastropods

A: INTRODUCTION Gastropod, any of the more than 66,000 animal species that make up the Gastropoda…

Q: Give a brief summary of the two-step procedure for identifying the tunicate embryo's marginal cells.

A: Tunicates are marine invertebrate chordates that are vertebrates' closest relatives. Ascidians are…

Q: List the different lethal toxins and their mechanism.

A: Answer

Q: vill regulate the physiological activities to make the conditions normal. Use the organs ssibly…

A: Hypothalamus in the brain plays  a very important role in controlling and regulating the body…

Q: Describe the traits that characterize primates.

A: Introduction :- Primates are a taxonomic order that includes Lemurs, Lorises, Tarsiers, Monkeys,…

Q: How can the variability of life in both time and space be described?

A: Ecosystem balance, often known as "ecosystem homeostasis," is influenced by both factors that tend…

Q: what type of cells possess unlimited proliferation potential and have the capacity to self renew,…

A: An organism is made up of millions of cells .Cells arrange themselves into tissue, Tissues make…

Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.