Q: Explain external features of frog?
A: Anatomy is the branch of biology, anatomy deals with the study of the structure of organisms and the...
Q: Which chromosome determines the sex? Which gene determines the sex?
A: Sex determination system is a biological system which determines the development of sexual character...
Q: What is the male reproductive system of frog?
A: Sexual dimorphism is present in frog. During the breeding system, both the male and female frogs und...
Q: Describe spermatogenesis
A: Spermatogenesis is a process to develop the male gametes called sperm. This process occurs within th...
Q: Metaphase:
A: Mitosis : It is a type of cell division in which one mother cell divides into two new daughter cells...
Q: Name a structure that is inferior, appendicular, and very distal.
A: Meaning of the given medical terms : Inferior means low or below . Superior means above . Distal ...
Q: Which chromosome determines the sex? Which gene determines the sex?
A: A sex chromosome is a type of chromosome that participates in sex determination. Humans and most oth...
Q: Define the function of ova and avary in female reproductive system of frog?
A: The female reproductive system in frog has a pair of ovaries, a pair of oviducts that open into the ...
Q: Name the 3 basic cell structures in eukaryotes?
A: Eukaryotes are organisms whose cells have a nucleus surrounded by a nuclear envelope and membrane bo...
Q: What is floral diagram with floral formula?
A: The floral structure is depicted in the graphical representation and this representation is more pre...
Q: Which phase of a fungal life cycle is best adapted to growing in ahost’s body?a. yeast b. hyphal c. ...
A: Fungi are a kingdom of generally multicellular organisms. It is heterotrophs and has an essential fu...
Q: 11. How DNA works? 13. What are the monomers for nucleic acids?14. What 2 things make up the sides o...
A: DNA is a type of nucleic acid which is responsible for containing the genetic information of each an...
Q: When transitioning from a pitch black room, to a sunny room where there is a lot of light, what happ...
A: The rods and cones are the photoreceptor cells. rods contain a photosensitive pigment known as rhodo...
Q: Define the role of buccal cavity in earthworm?
A: In the living world, we see a large number of microorganisms, animals and plants. These organisms po...
Q: Explain Anthony Van Leeuwenhoek's contribution to the discovery of microorganism.
A: Microbiology is the science that deals in studying the microscopic organisms those which are unicell...
Q: Explain the difference between the organismal concept of communities and the individualistic continu...
A: When in a particular geographical area at the same time there are two or more species present it is ...
Q: Which of the following statements about proteins is FALSE? a They can be hydrophobic, hydr...
A: Proteins are long chain structure that has a no. of amino acids. These may be classified as dipeptid...
Q: Lack of thyroid hormones in children produces:A. CretinismB. MyxedemaC. Hashimoto diseaseD. Graves’ ...
A: Hormones are the chemical messengers secreted by different endocrine glands directly in the blood. T...
Q: Name the membrane that is present in internal ear.
A: Ear is the chief organ involved in hearing and maintaining balance. Outer ear, middle ear, and inner...
Q: A. C. Stevenson and E. A. Cheeseman studied deafness in a family inNorthern Ireland and recorded the...
A: Inheritance is the process of transmitting the traits from parent to offspring. Traits of an organis...
Q: Given that only about 1 in 10 cells lodges in thespleen, do these results support the idea that the ...
A: Introduction Human body is consisting of around 37 trillion cells in total however the large number...
Q: How many chambered heart does animals like amphibians and reptiles have?
A: Heart Heart is a blood pumping organ of vertebrate animals. The circulation of fluid into the body t...
Q: Gene flow depends on a. migration. b. the ability of migrant alleles to be passed to subsequent gene...
A: The branch of science that is concerned with heredity, the study of genes and genetic variation is k...
Q: What would occur if the repressor of an inducible operon weremutated so it could not bind the operat...
A: An operon is a functional unit of genomic DNA made up of group of genes that is controlled by a sing...
Q: What is it about the Cas9 protein that makes it an efficient DNAediting tool?
A: DNA and RNA are the genetic elements present in almost all cells. DNA encodes for proteins through g...
Q: If a fresh water fish is placed in an aquarium containing sea water,will the fish be able to survive...
A: A fresh water fish when placed in sea water it won't survive and will ultimately face death.
Q: Under what conditions are interferons produced, and howdo they limit the transmission of viruses fro...
A: Interferons (IFNs) are the group of soluble glycoproteins which are known to be cytokines. These are...
Q: What is the neuromuscularsynapse?
A: The neuromuscular junction is a site where, the axons and the muscle fibers communicate with each ot...
Q: What are the possible gametes from the following individual and in what proportions would each gamet...
A: Gametes are formed through meiosis which is a reduction division, in which a germ cell undergoes two...
Q: When fair-skinned individuals go outside on a cold windy day, their skin turns “white” and after a t...
A: Acclimatization is a process in which an individual organism adjusts to a change in its environment ...
Q: What are the cellular components?
A: Cells are the fundamental structural and functional unit of life and living bodies. Living cells ar...
Q: In the yellow milkweed bug: D – yellow spots on the wings, d – brown spots on the wings, E – 8 ante...
A: A genetic cross is that the purposeful sexual activity of 2 individuals leading to mixing of genetic...
Q: In which type of cell does mitosis occur --- prokaryote oreukaryote? Explain why?
A: Prokaryotes are simple one-celled organisms containing simple organelles whereas eukaryotes are comp...
Q: Osmotolerant yeasts are able to grow at high salt concentrations because their cytoplasm contains hi...
A: Osmotolerance is the capacity to develop in an environment with high osmotic pressure. The osmotic c...
Q: Why do bacteria have flagella?
A: Bacterial flagella are rigid; the slender structure around 20 nm across and up to 20 micrometers lon...
Q: Which one of the following is not true for virus, obligate intracellular parasites? Viruse...
A: Virus is an infectious agent that replicates only inside the living cells of an organisms.They are f...
Q: Describe the evolution of human globin genes as an example of gene duplication and a gene family.
A: Human globin gene encodes hemoglobin a rich heme pigment required for the transport of gases like ox...
Q: How many genes are there present on chromosome 15 ?
A: A chromosome is a microscopic structure that consists of proteins and DNA, and is present in every b...
Q: Suppose you have just determined the DNA base sequence foran especially strong promoter in Escherich...
A: An expression vector is a plasmid or virus and it used for gene expression. In gene expression, the ...
What are the amphibians of plant kingdoms?
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