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Q: In a comparison of birds and mammals,the condition of having four limbs is(A) a shared ancestral cha...

A: Two or more organisms are recalled homologous if they have the common ancestor. The organisms that s...

Q: Arrange the following steps involved in Gene cloning in the correct orderi) Isolation of desired gen...

A: Gene cloning is a set of methods that used to assemble the recombinant DNA molecules and perform the...

Q: The Fungi are a kingdom driven by their relationships with other taxa. I) What two major roles do fu...

A: Fungi is a kingdom of eukaryotic organisms that include microbes like yeast and molds and duffer fro...

Q: What is the difference between a persistent and a latent viralinfection?

A: The viral infection starts with the lysis of the host cell membrane to release the new virus particl...

Q: Tell about the tail of Lizard?

A: World  is home to all kinds of lizards. We have seen one climbing up the wall, scurrying through the...

Q: What are autotrophic Beings?

A: The process of obtaining necessary nutrition required for proper health, growth, and metabolism is k...

Q: Insulin-like growth factor (IGF) is a peptide hormone (ligand) that binds and activates IGF receptor...

A: Receptor Tyrosine Kinase (RTK) is an enzyme that belongs to the family of enzymes known as  protein ...

Q: Describe the mechanisms of horizontal gene transfer in bacteria, describing the manner in which the ...

A: Horizontal gene transfer, or the process of exchanging genetic material between neighboring “contemp...

Q: Compare kinetochores between yeast and higher eukaryotes

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that con...

Q: What is a genetic reason for the absence of Labrador-shaped dogs that are a wolf-like gray (agouti) ...

A: The interaction between two genes, Agouti and Melanocortin-1 receptor ( MC1R) produces diverse pigme...

Q: Identify specific measures for control of Legionella pneumophila.

A: Legionella pneumophilia is a bacterium that leads to serious infection called Legionnaire's disease....

Q: Within a particular population, darkly colored rats are more likely to survive than more lightly col...

A: Population genetics is the genetic variation between the individuals of a population. The population...

Q: What is the purpose of including a tube in the phage assay in which only the E. coli culture is inoc...

A: Viruses are minute particles that are made up of only their genetic material which may be DNA or RNA...

Q: What are the major virulence factors of Bacillus anthracis?

A: Bacteria are prokaryotic organisms that have an undefined nucleus and nuclear membrane. Most of the ...

Q: Discuss the adaptations of Labeo?

A: Fishes are gill-bearing aquatic vertebrate animals. The earliest organisms that can be first classif...

Q: Difference between dominant and recessive?

A: Gregor Johann Mendel is known as father of genetics. He performed experiments on pea plants for seve...

Q: Which of the following is the most likely explanation forhypothyroidism in a patient whose iodine le...

A: The thyroid gland secretes three hormones – thyroxine (tetraiodothyronine or T4) and tri-iodothyroni...

Q: a. Outline the epidemiology of the major wound infections and foodintoxications of Clostridium.b. Wh...

A: Bacteria are unicellular, prokaryotic organisms which are devoid of membrane bound organelles and co...

Q: A. Directions: Complete the following table by providing five applications of mitosis and meiosis.

A: Mitosis is a type of cell division in which parent cell divides into two identical daughter cell.  F...

Q: Explain how a comparison of concordance in monozygotic and dizygotic twins can be used to determine ...

A: The reproduction can be defined as the process of production of offspring by the parents. The asexua...

Q: What produces the force which drives quiet expiration?    1. Intercostal muscles    2. Gravity...

A: Step 1 Breathing is ventilation or movement that brings in fresh air into the lungs and removes foul...

Q: Which evolutionary forces a. cause an increase in genetic variation both within and between populati...

A: Evolution - Evolution is defined as the change in the heritable characteristics of the species over ...

Q: Bipolar disorder is a psychiatric illness with a strong hereditary basis,but the exact mode of its i...

A: Bipolar disorder could be a psychiatric condition which may show extreme reflection in mood, behavio...

Q: Why we need to ue the ressources with due caution?

A: Resource planning is the proper use of resources. It becomes more important in developing countries ...

Q: Which of the following characterizesparthenogenesis?(A) An individual may change its sex during itsl...

A: When female and male gametes do not fuse with each other and still offsprings are produced, this is ...

Q: Repressor molecules bind toa) Operatorb) Promoterc) Enhancerd) Hormone response element

A: An operon has certain regulatory sequences that help in the regulation of transcription. They can ei...

Q: What is the source of nutrients for animals living in the deep-sea habitat?

A: Nutrient refers to the substance that provides nourishment, which is essential for proper growth of ...

Q: There are 5 primary oocytes that will undergo cell division, How many polar bodies will be formed wh...

A: Polar body are small cell produced from the primary oocytes during meiosis. Theses polar body do not...

Q: If I add 10 microliters of a culture at 106 cells/mL to 990 microliters of nutrient broth, what is t...

A: Cell density refers to number of cells present per unit volume. It is usually expressed in cells/mL.

Q: Do perch fish have a gizzard?

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of...

Q: DRAW IT Could any other combinations of chromosomes be generated during meiosis II from thespecific ...

A: BASIC INFORMATION MEIOSIS proceeds in two stages Meiosis I and Meiosis II. Here according to the que...

Q: What specific purposes do sedimentation, coagulation,filtration, and disinfection accomplish in the ...

A: Earth is so far the only planet that has the capability to sustain life on it. There are many factor...

Q: List the mechanisms that may cause allele and genotype frequencies to significantly change from one ...

A: BASIC INFORMATION ALLELE FREQUENCY  It is bascially the frequency of the alleles which are present a...

Q: What are taenias? What arethe diseases caused by them?

A: Parasites are the organisms that depend on hosts for food and nutrition.

Q: Describe how DNA replication is terminated.

A: In the area of molecular biology, the DNA replication is complex biological process of producing two...

Q: Name the gastric cells that secrete digestive enzymes.

A: The human body is a well built machine in which all the organs coordinate together to make it work. ...

Q: What is unusual about the genome of the eukaryoteEncephalitozoon?

A: Microbial pathogenesis is all about microbes that cause disease in humans and other animals. Bacteri...

Q: Outline some of the ways in which genetics is important to all of us.

A: Genetics is the science of heredity, science, and the variation of organisms. Generally, genetic inf...

Q: Humans may carry both staphylococci and streptococci as normal microbiota. How might you easily diff...

A: There are basically two genera of bacteria of Streptococcus and Staphylococcus which are present in ...

Q: What is the common name of Scoliodon?

A: Vertebrate is any animal of the subphylum Vertebrata. Vertebrates include groups such as jawed verte...

Q: A mutation occurs in the 5′ UTR of the trp operon that reduces the ability of region 2 to pair with ...

A: In the absence of tryptophan, the trp operon would be expressed maximum as the trp repressor would b...

Q: Many people find that they become ill with a cold after traveling by airplane. The air circulation s...

A: Studies have shown that more than one in five people who travel on planes suffers from a cold or the...

Q: 1)Which of the following is NOT associated with a normal first-void urine finding? =   trace pro...

A: According to guidelines we have to answer the first question only. so please kindly post the remaini...

Q: The process which prevents a zygote from forming is known by what term?

A: Zygote is a diploid cell formed by fusion of male and female gametes. It is the first cell of an org...