How much work is it to obtain such a large progeny sizein corn? Which of the three genes would take the mostwork to score? Approximately how many progeny arerepresented by one corncob?

Q: Could it be that lineage-restricted multipotent stem cells are derived from acNeoblast and seeded th...

A: In cell biology, functionally and structurally limited cells to behave in a differentiated manner ar...

Q: How will the offspring be affected if one of the gametes or one of the parents carries an impaired n...

A: Any syndrome marked by deformities or malfunctions in any of the body's systems and caused by an abe...

Q: Question 1 A T What is the sequence of the sample DNA submitted for sequencing given the gel electro...

A: The unknown DNA samples can be sequenced by the Sanger sequencing method. This method is based on th...

Q: Why do people differ in the rate and the quality of reaction?

A: Nervous system is a complex system it controls the human on what to do  and what to speak (i.e it co...

Q: Meiosis of cells in pollen sacs forms haploid______ . a. megaspores c. stamens b. microspores d. spo...

A: Meiosis is a cell division process that produces four gamete cells while halving the number of chrom...

Q: The culture you are working has a doubling time of 2 hours and a cell density of 3 x 106 cells per m...

A: A serial dilution is a process of sequential dilution in order to decrease the density of cell cultu...

Q: In figure 4-7 why does facilitated diffusion have a maximum rate of diffusion?

A: In facilitated diffusion, transport of substances across a biological membrane takes place which occ...

Q: Seeds are mature_____ ; fruits are mature_____ . a. ovaries; ovules c. ovules; ovaries b. ovules; st...

A: The embryonic stage of a plant's life is represented by the seed. The embryo (immature seed), endosp...

Q: Give an example of application of recombinant DNA in the following fields: crop production, medicine...

A: Answer - Recombinant DNA (r DNA) is a technique by which we cut and paste DNA sequence of interest u...

Q: Distinguish between smooth and rough endoplasmic reticulum in terms of both structure and function.

A: The endoplasmic reticulum is membrane bound organelle consisting of delicate branching and anastomos...

Q: Exposure to______ can trigger seed germination. a. light c. smoke b. cold d. all can be triggers

A: Seed germination is the process in which dormant embryo of seed resumes metabolic activities and gro...

Q: Complete this Punnett square on a cross between two individuals who have Inflated Green pods (liGg).

A: The inflated pods (I) are dominant over constricted pod (i). And the green colour (G) pod is dominan...

Q: Attenuation results when which regions of the 5′ UTR pair?a. 1 and 3b. 2 and 3c. 2 and 4d. 3 and 4

A: In bacterial operons, attenuation is a regulatory mechanism that ensures normal transcription and tr...

Q: 1.: Male side-blotched lizards display throat color polymorphisms; some males have orange throats, s...

A: There are three allele in the population which are  o,y and b. According to Hardy Weinberg equilibri...

Q: Which of the following is a problem with using the Biological Species Concept? A. it doesn't apply ...

A: Introduction A species taxon, according to the Biological Species Concept, is a group of creatures t...

Q: Diagram the genotype of a female fly that is recessive for apterus (ap, chromosome 2), heterozygous ...

A: Introduction: Morgan and his group found that when two genes in a dihybrid cross were situated on th...

Q: SR proteins are essential to proper spliceosome assembly and are known to take part in the regulatio...

A: Spliceosomes are massive ribonucleoprotein (RNP) complexes found largely in eukaryotic cells' nuclei...

Q: Male side-blotched lizards display throat color polymorphisms; some males have orange throats, some ...

A: Genotype frequency is the number of the individual in the population having particular genotype, whi...

Q: The blob operon produces enzymes that convert compound A into compound B. The operon is controlled b...

A: A group of genes that are transcribed under a single promoter and an operator is referred to as oper...

Q: The supercoiled DNA can either be positively or negatively supercoiled. A True B False

A: The DNA double helix wraps around a nucleosome, forming a supercoil. One turn of a Solenoid is made ...

Q: How do symplast apoplast and the casparian strip work with each other?

A:

Q: Female A Female C 1. Rabbits normally have 44 chromosomes. Rabbits with fewer chromosomes die before...

A:

Q: 2 3.

A: Introduction:-Both cortical and cancellous bone tissue make up long bones. They are divided into num...

Q: 1 4 2 6 7 3.

A: Cartilage and Bone are types of connective tissue and are composed of cells embedded in an extracell...

Q: 1. Which of the following layers protect the mammalian oocyte during ovulation? * a. cortical and hy...

A: Structure of mammalian Oocyte:  mature mammalian Oocytes have many layers before ovulation- Follicle...

Q: 1. How many spermatids are formed from 10 spermatogonium B?  a. 20 b. 40 c. 80 d. 160 2. Oogenic gr...

A: Spermatids These are haploid cells that are produced through the second division of a spermatocyte. ...

Q: Which of the following statements about DNA replication is false? Replicati on of DNA occurs after a...

A: Dna replication is a process by which dna molecule replicate to produce it's identical dna copy. Dna...

Q: How does application of DNA sequencing help Black (and other) populations in establishing their fami...

A: The technique of determining the exact sequence of nucleotides in a strand of DNA is known as DNA se...

Q: How do sialic acid conformations explain the difference between influenza strains that infect humans...

A: An influenza pandemic is a worldwide outbreak produced by a novel influenza virus against which huma...

Q: item is given example. as an

A: Transgenic organisms in agriculture :- Examples- Bt cotton, Bt brinjal. To obtain a transgenic organ...

Q: Compare and contrast the structure and function of proteins and nucleic acids. How are they similar ...

A: Protein is composed of amino acids. Proteins are used in the synthesis of hormones and other enzymes...

Q: Arcanobacterium haemolyticum may cause pharyngitis or cutaneous infections. It grows as a tiny colon...

A:

Q: What is the importance of detecting common ancestry?

A: "Descent with modification," as well known as the way in which Darwin defined it, is the theory that...

Q: Systematic name of sphingoid bases

A: The systematic name of sphingoid bases is : (2S,3R,4E)-2-aminooctadec-4-ene-1,3-diol or D-erythro-sp...

Q: Relate the organizational similarities of all cells to the need to conduct essential life functions.

A: Introduction: Cells are the building blocks of life. They've been organized in numerous ways to serv...

Q: What is adenyl cyclase ?

A: Enzymes are present in living organism, which is composed of either one cell or a number of cell. In...

Q: Explain how the type of locomotion is important in the nutrition, ecology, and behavior of each type...

A: Protozoan perform three type, flagellated ciliary or amoeboid locomotion. Amoeboid protozoan live in...

Q: Because genetic engineering involves the modification of an organism's set of instructions, it has c...

A: * Genetic engineering means it is the process of using rDNA technology to alter the genes of organis...

Q: How many nucleosomes are involved per turn of the spiral arrangements of the chromatin fiber?

A: Nucleosome is the main and basic unit of DNA packaging in the eukaryotic cells. The structure of typ...

Q: For each of the following types of transcriptional control, indicate whether the protein produced by...

A: Repressible operon (such as tryptophan operon) is a type of operon which is usually 'on', that is, i...

Q: A sample of DNA contains 40% adenine-thymine base pairs altogether. What percentage of the DNA will ...

A: Q. A sample of DNA contains 40% adenine-thymine base pairs altogether. What percentage of the DNA wi...

Q: Please help What are the three different features that contribute to biodiversity? Explain, in your ...

A: Introduction :- The variety of living species on Earth, including plants, animals, microbes, and fun...

Q: associations describe the case where symbiont partner genotypes are not distributed randomly across ...

A: Cheating is the term used in behavioral ecology and ethology to describe behavior. Thus, cheating ca...

Q: Give the elongation factors used in bacterial translation and explain the role played by each factor...

A: Bacteria are microscopic, single-celled life forms that exist in their millions, in each climate, bo...

Q: The regulator protein that acts on a negative repressible operon is synthesized as a. an active acti...

A: Introduction  The expression of genes is highly regulated in both prokaryotes as well as in Eukaryot...

Q: H,0 Pure water Positive pressure Negative pressure H,0 H20 H,0 Solute A В C

A: Water potential: it is the potential energy of water per unit volume in comparison to pure water und...

Q: Select ALL of the following for which ascorbic acid is particularly important: increasing calcium ab...

A: All the above options are correct.

Q: One of the major questions of regeneration is whether the cells keep a “memory” of what they had bee...

A: Muscles are specialised bodily parts that allow animals to move or locomote. Muscle tissues make up ...

Q: Frog Testis 1. pointed cells? 2. cell origin of #1? 3. specific process that produced #1? 4. one str...

A: Testes is a male reproductive cell. 

Q: Select ALL statements about digestive systems that are true: A. carnivores have longer digestive tra...

A: