Describe method for the determination of Rf value of monosaccharides on paper Chromatogram

Q: Biology Question

A: Staining is a technique used to color the samples and examine the cells, tissues or cellular compone...

Q: Differentiate between mitotic cell division and meiotic cell division in terms of their products.

A: Cell division is must for the growth of an organism. Cell generally exhibits two types of division –...

Q: Give some evidence that cells of many invertebrates bear molecules on their surface that are specifi...

A: The immune system is a complex system important for survival of humans. The white blood cells are th...

Q: Distinguish the following from each other: statocyst and rhopalium; scyphomedusae and hydromedusae; ...

A: The Cnidarians belongs to the phylum of simple animals. It includes jellyfish, hydras, corals, and s...

Q: What is the advantage of the Kinyoun staining procedure over the Ziehl-Neelsen method?

A: Kinyoun staining procedure Kinyoun staining procedure and the Ziehl-Neelsen method both are stainin...

Q: A geneticist is interested in determining the locations of methylated cytosines within a fragment of...

A: Genetics is the branch of biology, which deals with the study of genes, their pattern of inheritance...

Q: An Hfr strain that is hisE+ and pheA+ was mixed with a strain thatis hisE− and pheA−. The conjugatio...

A: Transfer of genes in prokaryotes occurs through horizontal transfer mechanisms such as transduction,...

Q: Why are some microbial habitats unsuitable forplant and animal life?

A: Habitat is a natural environment occupied by all living organisms for the purpose of utilizing space...

Q: Explain the Decrease in the frequency of a recessive lethal allele over time?

A: Lethal alleles are harmful alleles that are responsible for the death of an individual who carries t...

Q: Which are the glandspresent in the epidermis ofmammals, birds and reptiles?

A: Skin is the primary interface between an organism and it external surroundings and thus performs var...

Q: Describe step 4 of recombination: Formation of a double Holliday junction

A: Recombination is the process of exchange of DNA material between the different organisms that result...

Q: Which of the following is not a part of the Sanger method tosequence DNA?a. dideoxynucleotides b. DN...

A: Sanger sequencing is additionally called Chain termination method. DNA sequencing is the process to ...

Q: Your neighbor claims that adding fertilizer to your tomatoes will increase yields. How would you tes...

A: A fertilizer is a chemical that helps plants to grow. It is used to add the mineral salts taken by p...

Q: Identify each of the following as an example of allele, genotype, and/or phenotype frequency: A. App...

A: Allele frequency is defined as the number of individual alleles of a certain type divided by the tot...

Q: What is the life expectancy of someone with Turner's syndrome?

A: Turner's syndrome is an example of Aneuploidy. Fertilization of an egg X by a sperm O produces an in...

Q: Which of the following is/are response(s) of target cells ? The production and storage of another h...

A: The target cell is the cell that has a bind to a ligand. When the ligand binds to the receptor, it t...

Q: Identify QTLs by rough mapping?

A: Introduction: QTL is referred to as a quantitative trait locus is a section or fragment of DNA that ...

Q: For the following chromosome complements, what is the phenotypic sex of a person who has Q. XX with ...

A: The sex-determining region Y (SRY) is located on the short branch of the Y chromosome, which initiat...

Q: Create recombinant DNA molecules with plasmid vectors?

A: The DNA (deoxyribonucleic acid) is the genetic material of an organism that is inherited by the prog...

Q: Explain the relationship between each of the following pairs ofgenetic terms:A. Gene and traitB. Gen...

A: Genetics is the branch of Biology dealing with the study of genes including their structure, functio...

Q: What is pain in chest due to heart attack called?

A: A human heart is 4 chambered mascular organ. Its present inside chest and its similar to a fist in s...

Q: Chargaff determined the base composition of DNA from a variety ofdifferent sources. Explain how his ...

A: DNA is a genetic element in all the prokaryotic and eukaryotic cells. DNA is double stranded helical...

Q: Steroid drugs like prednisolone is produced from______.a) Rhizopus b) Penicillium c) Aagaricus d) Ba...

A: A glucocorticoid medication that serves the function of suppressing the immune system along with tre...

Q: What is polygenic inheritance? Discuss the issues that make polygenicinheritance difficult to study.

A: A polygene is a member of non epistatic genes group.It interacts to influence a phenotypic trait.Pol...

Q: Assume that you have a garden and some pea plants have solid leaves and others have striped leaves. ...

A: The DNA (deoxyribonucleic acid) is the hereditary form of an organism that is passed on by the paren...

Q: Why is Taenia solium a more dangerous infection than Taenia saginata?

A: Taenia solium and Taenia saginata are two species of tapeworm that infects the intestine of humans.

Q: Which of the following structures could be foundwithin the nucleolus?a. chromatinb. histonesc. ribos...

A: The nucleolus is the central dense region of the nucleus that contains ribonucleic acid (RNA) and pr...

Q: Which of the following is most likely to be releasedwhen blood calcium levels are elevated?a. thyrox...

A: A mineral is a chemical compound or element that is generally crystalline. Macrominerals are any min...

Q: What is the life cycle of theschistosome?

A: Schistosome is a blood fluke(trematode) that infects humans, birds, mammals and causes schistosomias...

Q: VISUAL SKILLS Describe what happens to the trp operon as the cell usesup its store of tryptophan

A: An operon is a group of genes and the promoter, including some more regulatory sequences. These gene...

Q: ge Bonds formed by equal sharing of a pair of covalent electrons are called bonds because there is a...

A: A chemical bond is a lasting attraction between atoms , ions, or molecules which allows chemical com...

Q: Explain how the Pyrococcus furiosus TrmBL1 transcriptionregulator is able to act as both an activato...

A: An activator is a regulator Pyrococcus furiosus substance that enhances the gene expression whereas ...

Q: When trying to focus an object on the microscope, you always begin with the ________________ objecti...

A: The microscope helps to observe the organisms or objects that can not be seen by our naked eye becau...

Q: How is our life cycle as humans (birth, growth, reproduction, and so on) connected to the cell cycle...

A: A life cycle is defined as the developmental stages that occur during an organism's lifetime while t...

Q: Which adrenal hormone accelerales the heart beat under normal conditions.

A: Hormones are chemical messengers that are secreted directly into the blood, which carries them to or...

Q: Which of the following is an example of post-transcriptionalcontrol of gene expression?(A) the addit...

A: Post-transcriptional control of gene expression is otherwise known as a post-transcriptional modific...

Q: Why is it necessary to check more than one vital sign on a patient?       This Is for Medica...

A: Vital signs are the signs that are important to monitor the health of the patient. It actually deter...

Q: If a reflex is a limited circuit within the somatic system,why do physical and neurological exams in...

A: Somatic nervous system is one of the two components of peripheral nervous system. It is responsible ...

Q: How are animals classifiedaccording to the germ layerspresent in their embryonicdevelopment?

A: Germ layers are developed during embryogenesis. They are programmed to develop specific organs, tiss...

Q: what happens when an agonist, instead of the endogenous (natural) hormone binds to the hormone recep...

A: Option A is incorrect  Explanation:  Antagonist binds to the receptor of a natural hormone and inhib...

Q: The hair matrix contains ________.a. the hair follicleb. the hair shaftc. the glassy membraned. a la...

A: The skin is a soft outer tissue and it is the largest organ of the body. The major function of skin ...

Q: Outline the steps of bacterial transduction?

A: Bacteria are single-celled microorganisms. Some of them are injurious while some are beneficial to h...

Q: What do you mean by plasma?

A: Blood is the fluid connective tissue present in the animals that deliver necessary substances such a...

Q: Name the biological process which is the starting point of the food chain.

A: A food chain is a linear network of links in a food web beginning from the manufacturer and finishin...

Q: Explain the term burst size.

A: A bacteriophage is also called a phage, is a virus that infects and replicates only within the archa...

Q: At what stage of spermatogenesis does meiosis I occur?

A: In the male, the primary sex organs are the testes. Sperm is the male reproductive cell. Sperms cell...