Q: Explain why G protein–mediated receptor systems depend onmembrane fluidity.
A: The cell membrane, also known as the plasma membrane, is made up of a double layer of phospholipids....
Q: How does the universality of the genetic code make recombinant DNA technology possible?
A: According to the concept of universality of the genetic code, all living creatures' proteins are syn...
Q: How many carbon dioxide molecules are released after each cycle of the Krebs cycle? For a single glu...
A: The Krebs cycle releases two carbon dioxide molecules for each cycle it completes
Q: How many homologous pairs of chromosomes would be in the zygote if it were a male organism? Explain.
A: Introduction :- A zygote is a eukaryotic cell created when two gametes fertilise each other. The gen...
Q: 33. Fundamental unit of heredity A. Loci B. Allele C. Chromosomes D. genetics
A: DNA or Deoxyribonucleic acid is the hereditary material in humans. RNA or ribonucleic acid. It helps...
Q: What are cloning vectors ?
A: Cloning is the process of making identical copies of a DNA sequence.
Q: What type of bond (name other than covalent) that holds the monomers of carbohydrates together?
A: A carbohydrate is a biomolecule made up of carbon (C), hydrogen (H), and oxygen (O) atoms, usually i...
Q: Chromosomes are visible under the microscope during cell division because, disintegration of the nuc...
A: Chromatin is the complex made up of DNA and proteins. It is found in eukaryotic cells and is respons...
Q: 9. It is noted recurrent vomiting, weakness, sleepiness, and convulsive attacks, as well, in patient...
A: The symptoms of this diorder includes lack of appetite, vomiting, drowsiness, seizures, and/or coma....
Q: 5. The following 3-point test cross is conducted and produces the listed progeny genotypes and numbe...
A: Linkage map is the linear graphical representation of the sequence and relative distance of the vari...
Q: Red-green colorblindness is an X-linked trait. From which parent can a SON inherit the red-green col...
A: Son inherits X chromosome from mother and Y chromosome from father. Pathologies linked to X chromoso...
Q: For mumbers 34-50. Given the following pedigree, answer the following questions. Ist generation woul...
A: The pedigree analysis helps us identifying the mode of inheritance of a particular disease by observ...
Q: n incomplete dominance and codominance, when we cross the P1 generation, the F1 will have O 1:2:1 ph...
A: Incomplete dominance- It is referred to as the condition when the two different alleles of the paren...
Q: . In yeast, you have sequenced a piece of wild-type DNAand it clearly contains a gene, but you do no...
A: Introduction In the RDT (recombinant DNA technology), we insert the segment of DNA into the vector ...
Q: Transfer of F factor via bacterial conjugation uses a molecular mechanism related to: a. Transcript...
A: Bacterial conjugation may be defined as a process of gene transfer, horizontally, via pilus. The bac...
Q: main features of industrial food processing, and how does it differ from artisanal food processing?
A: 1.Using preservation techniques that limit microbial or biochemical changes, to lengthen the period ...
Q: Stanley Miller’s experiment demonstrated that ________ .a. Earth is more than 4 billion years oldb. ...
A: In the 1950s, biochemists Stanley Miller and Harold Urey did an experiment which showed that by repl...
Q: identify the hormone being described in each item, then encircle the letter of the correct answer. ...
A: Hormones are chemical substances produced by our body's endocrine system, which releases the hormone...
Q: Two chromosomes have the ff. order of genes: Normal A B centromere C D ...
A: a) Paracentric inversion: it's the type of inversion that doesn't involve the exchange of genes arou...
Q: Of the following molecules, which is a complex biological molecule formed by dehydration synthesis d...
A: Introduction: Evolution is the change in the inherited characteristics of biological populations ove...
Q: 31. Explain the proper positioning of animals for the various radiographic techniques listed below: ...
A: Our passion for our patients is what drives our need to be thorough and proficient in our work as ve...
Q: A woman who is blood type B has a child whose blood type is A; her husband is blood type O. Despite ...
A: The "ABO" blood group system is made up of four blood groups – A, B, AB, and O and is based mostly o...
Q: Bacterial glucuronidase converts a colorless substancecalled X-Gluc into a bright blue indigo pigmen...
A: The biotic world is teeming with organisms. The world's ecosystems are the result of the interaction...
Q: Because introns are present in all eukaryotes and a few prokaryotes, biologists hypothesize that int...
A: Noncoding regions of an RNA transcript or the DNA encoding it that are spliced off before the RNA mo...
Q: There were chromosomes in the cell that were replicated during S of Interphase. How many chromosomes...
A: The S phase of Interphase is responsible for the chromosomal replication and results into double the...
Q: Certain species of animals tolerate body temperatures of 50°C,but the vast majority do not. Some spe...
A: Introduction: When the body temperature is too high hypothalamus sends signals to the capillaries th...
Q: Explain the major difference between diffusion and osmosis.
A: Osmosis- osmosis is a process by which solvent molecules moves from a region of less to high concent...
Q: As people get older, plaque can build up in the main arteries in the area of accumulation. How does ...
A: Change in rate of blood flow and blood pressure due to formation of plaque in arteries in older age....
Q: What is glycolysis? What are the products of this process?
A: Cellular respiration involves the primary pathway that begins with glycolysis.Glycolysis is also cal...
Q: A new species is discovered in which males care for offspring after birth, and females leave the nes...
A: When parental care does occur in a species, in almost all cases females care for offspring after bir...
Q: heart attack
A: A heart attack also know as myocardial infarction happens when a part of the heart muscle doesn't g...
Q: Different species of crickets have distinct songs, andthey use these songs for mate recognition. Res...
A: Part A. The additive effects are found as: A=(XKK-XPP)/2 The dominance effect can be easily found as...
Q: Which of the following is true about proteobacteria? Select all that apply. O they are gram negative...
A: Proteobacteria The proteobacteria are a major group(phylum) of bacteria. It includes a wide variety...
Q: there are 9 chromosome pairs, how many univalents are there at anaphase I on each pole?
A: Anaohase 1 is the stage of meiotic first division in which the paired chromosome separates and move...
Q: You are given a plant that you have never seen before (see figure). Is it a gymnosperm or angiosperm...
A: Plants can be divided into several categories on the basis of presence of vascular bundles or flower...
Q: If you were to engineer some non-adhesive cells to express e-cadherin at either high levels or low l...
A: Introduction Cadherin-1 (CAM 120/80, epithelial cadherin, or uvomorulin) is a protein that is encode...
Q: In 40 words or fewer, explain what an enzyme cascade is in the context of signal transduction pathwa...
A: Ligands are the chemical signals between the cells that bind to the receptor protein on the surface ...
Q: Give examples of some of the ways eukaryotic DNA-binding proteins bind to DNA.
A: Genes are collections of nucleotides that code for a specific protein. For protein synthesis to occu...
Q: First Second Letter Third Letter U A G Letter phenylalanine phenylalanine serine tyrosine cysteine U...
A: Gene is present in the DNA. It is made up of sequence of nucleotides. It encodes a protein.
Q: a) specify the enzyme the amount and activity of which is increased in kidney in acidosis under phys...
A: Kidney acidosis is a condition when the acids are retained in the blood and are not excreted out. Th...
Q: Given that out of the 64 codons of MRNA, 61 codify amino acids that form polypeptide chains, what ar...
A: As there are 20 amino acids and 64 possibilities of mRNA codons. There it is expected some amino aci...
Q: In one variety of silkmoth (bombyx mori) the caterpillar were stripe and the cocoons wear yellow. In...
A: Chi-square test can be used for differentiating between two possibilities whether the genes are not ...
Q: 1. Q. How are plocoid and placeloid corallites the same? 2. Q. How are plocoid and placeloid coralli...
A: Introduction: A corallite is a skeletal cup created by a single stony coral polyp, into which the po...
Q: 48. The nuclear membrane is still intact to protect the DNA molecules from undergoing mutation A. In...
A: Introduction Cell division:- It is the process by which cells divide and increase in number to produ...
Q: G1 of interphase
A: The stages of interphase are: G1 (Gap 1), in which the cell grows and functions normally .During thi...
Q: What is glycolysis? What are the products of this process?
A: When glucose is broken down to form two pyruvic acid molecules, two ATP molecules and two NADH molec...
Q: Explain how ape smuggling may harm humans as well. [Consider, too, the impact of eating bushmeat lik...
A: Chimpanzees, gorillas, orangutans, and bonobos are the closest ancestor of humans living on earth. A...
Q: What is the typical reproduction cycle of a DNA virus?
A: Viruses are microscopic, acellular organisms that form and intermediate group between living and non...
Q: What features distinguish cycads from ginkgo? from gnetophytes?
A: Ginkgo can be described as the large tree possessing fan-like leaves. Ginkgo can be utilized by huma...
Q: The evolution of ________ resulted in the eventualformation of the ozone layer.a. DNA-based genomesb...
A: Evolution is the process of the gradual accumulation of genetic variations.
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