Q: What are the characteristics of the cleavage embryo?
A: Answer : Cleavage is the mitotic division in which the daughter cells are formed from the parent cel...
Q: B. What effect would the loss of nitrogen fixers have on the nitrogen cycle and the world? Justify y...
A: Atmospheric nitrogen is abundant but plants cannot utilize it directly without fixing it and here wh...
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: SMC proteins and SCC1 forming a ring-like structure to hold the sister chromatids. * True O False
A: INTRODUCTION SMC proteins Structural maintenance of chromosome protein helps in the successful chrom...
Q: Honeybees have 36 chromosomes in their somatic cells. How many chromosomes would the egg of a queen ...
A: Introduction A chromosome is a lengthy DNA molecule that contains part or all of an organism's genet...
Q: What is the importance of detecting common ancestry?
A: Common ancestry is a term within evolutionary biology which refers to the common ancestry of a parti...
Q: Define the Regulation of gene expression in bacteria
A: Genes can be found in all cells. Genes are the carriers of information on hereditary material. The D...
Q: Groodies are useful (but fictional) haploid organisms that are pure genetic tools. A wild-type grood...
A: The groodies that are having a very long tail and also have flagella and are not fat are 44 in numbe...
Q: Explain the Jacob and Monod’s operon theory ?
A: Genes are located on chromosomes and code for polypeptides.
Q: Why does a eukaryotic cell need both membranous organelles and fibrous cytoskeletal components? Just...
A: The nucleus of a eukaryotic cell is surrounded by a nuclear membrane, which carries well-defined chr...
Q: How did the bacteria maintain its homeostasis when homeostatic disturbance occur. Explain your answ...
A: The bacteria are classified according to the chemical nature of cell wall into Gram positive and Gra...
Q: Which would be worse for an organism? Briefly explain your answer. B. The spliceosome can no longer ...
A: Cell is the basic and fundamental unit of life. Survibility of life depend upon individual cells whi...
Q: Compare the roles of the glycocalyx, extracellular matrix, and cell wall.
A: All living organisms are made up of cells, which are basic membrane-bound units that contain the bas...
Q: How do the structure and function of rough ER differ from those of smooth ER?
A: The endoplasmic reticulum is membrane bound organelle consisting of delicate branching and anastomos...
Q: Using Venn diagram, differentiate Greeks and Muslim science
A: The Greek science didn't related to modern science . Greek science was transmitted to the Islamic sc...
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: What is the diameter of the field of view (DFV) of a 40x objective lens in the DFV of a 10x objectiv...
A: When looking into the eyepiece lens, the field diameter is simply the number of millimeters or micro...
Q: Are ciliates capable of changing their shape? Why?
A: CILIATES Ciliates are most intense and diversified group. They are unicellular organisms with the f...
Q: What are possible prevention of extinction that we can do alone?
A: Extinction: It is defined as dying out extermination of a species. It happens when a species dies o...
Q: What is the answer to the question: "What is the minimum size of a cell for carrying out all of life...
A: Metazoa is a phylum of multicellular eukaryotes that includes heterotrophic creatures in a monophyle...
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: This was one of Galileo’s observations? A. Venus goes through phases B. Our sun orbits the center ...
A: Galileo's discoveries supported that the sun, not the earth, was the center of the universe.
Q: What are the effects of greenhouse in plants?
A: Greenhouse gases provide warmth and humidity which promotes plant growth.They also increase the rate...
Q: 5. Describe the difference between how identical twins and fraternal twins (non-identical) produced ...
A: Introduction :- The term "twins" refers to two children born from the same pregnancy and delivery. M...
Q: B.Use the simple flow chart on the next page to outline the basic procedure of geneticengineeringin ...
A: Genetic engineering is the process by which we make hybrid cell which is having better characters an...
Q: In what ways do the functions of the cytoskeleton differ from those of the endomembrane system?
A: Introduction: Cells are the fundamental unit of life. They are modified in different ways to carry o...
Q: Which group of the following is probably the least likely to have the harmful Tay Sachs alleles toda...
A: Tay Sachs disease or GM2 gangliosidosis occurs when a child inherits a mutation in the HEXA gene fr...
Q: A strain of Neurospora with the genotype H ⋅ I is crossedwith a strain with the genotype h ⋅ i. Half...
A: Recombination of genes during meiosis occurs by the process of crossover.
Q: How are symplast apoplast and the casparian strip interconnected with each other?
A: The pericycle, a cell layer just inside the endodermis, is where the secondary root is formed. The C...
Q: when viewing an organism under the 40x objective lens, you estimate that 6 organims could fit across...
A: 40x objective lens are high powered objective lens which is used to observe fine details in a specim...
Q: Why did Galton modify the quincunx? a.Because the distribution of a trait (e.g., height) in offsprin...
A: Galton board or quincunx is developed by Sir Francis Galton. It demonstrate the binomial and normal...
Q: Can you explain why people “cursed” by shamans or “witch doctors” sometimes actually die?
A: ANSWER: Shamanism is a religious practice that involves a practitioner (shaman) interacting with wha...
Q: Virology: Why do cells express viral receptors if it allows them to be infected?
A: Introduction :- In viral host range, tissue tropism, and viral pathogenesis, virus–receptor interact...
Q: Compare the pattern of early growth that occurs in eudicots andmonocots after germination
A: The embryonic stage of a plant's life is represented by the seed. The embryo (immature seed), endosp...
Q: You have a starter culture containing 8 x 109 cells per mL, from which you take 10 mL to inoculate a...
A: The generation time of culture is considered to be the time at which it doubles and the mean growth ...
Q: what are the reasons for the occurence of codominance and incomplete dominance traits?
A: Codominance is a term that refers to the link between two variants of a gene. Individuals inherit on...
Q: Write a short note on Therapeutic Lifestyle Change ?
A: The term lifestyle can be referred to as a specific way of living that is utilized by the human bein...
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: 2. a) In the diagram of DNA below (Figure 4), a DNA strandis unwinding and new strands of DNA are fo...
A: The unwinding of DNA helix takes place with the help of enzyme DNA helicase. Addition of nucleotides...
Q: In the trp operon, what happens to the trp repressor in the absence of tryptophan?a. It binds to the...
A: An operon is a DNA unit that contains a cluster of genes controlled by a single promoter. The genes ...
Q: What is the difference between a structural gene and a regulator gene? a. Structural genes are tran...
A: The fundamental morphological and physiological unit of heredity is the gene. DNA makes up genes. So...
Q: Choose a reproductive biotechnology explain the basic process that is used, and, using à felevant ex...
A: Reproductive Biotechnology : It encompasses all current and anticipated uses of technology in human ...
Q: Explain how the ANS coordinates the activities of different organs.
A: ANS is autonomic nervous system part of a peripheral nervous system.
Q: Klariz, a 28-year-old woman with type o blood and Ricci, a 30-year-old man with type AB blood are ex...
A: Monohybrid cross is a type of genetic cross between individuals.
Q: What is the rationale behind the cleavage stages undergone by the early embryo?
A: Cleavage: The series of synchronized mitotic cell divisions of the fertilized egg that results in th...
Q: Describe the similarities and the differences between oogenesis and spermatogenesis. Provide enough ...
A: Oogenesis and spermatogenesis are the process of formation of male and female gametes. The fertiliza...
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: What is the importance of detecting common ancestry?
A: The ancestry is the term which Is used in biology for the individuals with whom a population is rela...
Q: What events bring about the termination of translation?
A: Introduction: Translation is the process of polymerization of amino acids to form a polypeptide. the...
Q: hat is the importance of detecting common ancestry
A:
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