The 'Z' base that replaces the 'A' in the genetic alphabet of certain viruses forms three hydrogen bonds instead of two, making the two DNA strands tougher to pull apart.

Q: Which of the following is NOT a connective tissue? A. blood B. mesothelium С. fat D. tendon

A: Introduction - Tissue that backings, secures, and gives design to different tissues and organs in…

Q: Draw and describe the different types of egg as to the concentration of yolk they contain. Give…

A: Almost all the female animals lay eggs of various species, such as birds, reptiles, amphibians, a…

Q: Contrast positive versus negative regulation of gene expression. Describe the role of the repressor…

A: Positive and negative control of gene expression In some cases, the product of a regulatory gene is…

Q: Distinguish between passive and active transport mechanisms across cellmembranes.

A: Introduction The movement of materials across cell membranes is known as cell transport. Passive and…

Q: Q9. If you wanted to specify that a patch of grass has an additional 10% chance per year of dying…

A: Introduction :- A shrub is a small-to-medium-sized woody perennial plant. Shrubs, as opposed to…

Q: Explain the typical immunophenotypic features of peripheral B cells in: (i) X-linked…

A:

Q: Give the protein synthesized of the given mRNA sequence. No need to explain. Just give the answer.…

A: Introduction Translation is the process by which ribosomes in the cytoplasm or endoplasmic reticulum…

Q: The secretes growth hormone, which is also known as somatotropin. O thyroid O anterior pituitary O…

A: Hormones are referred to as the blood's chemical messenger. The hormones are released by different…

Q: Rhodopsin contains: opsin and retinal vitamin A and ATP red, blue and green pigments light waves The…

A:

Q: Biology grass lands are one of the wettest biomes on earth true or false

A: This question is based on the wettest biome.

Q: Traits that are governed by two or more genes are known as:

A: Polygenic Inheritence The polygenic interaction means the Inheritence of those traits which is…

Q: How does the wasp Ichnuemon eumerus manıpulate ant coiIonies to gain actess to host butterflies?…

A: Releases pheromone that makes ants attack each other.

Q: elect molecular outcomes that can be achieved with the CRISPR-Cas9 system  (Check all that apply.)…

A: CRISPR- Cas9 is a genome-editing tool which is derived from bacteria.

Q: Explain how Lateral Flow Devices areee used to detect human chorionic gonadotropin.

A:

Q: ANSWER BRIEFLY: 2.In the presence of anticoagulants, bleeding time is prolonged. Why?  3. Name the…

A: Introduction The bleeding time is a medical test used to evaluate platelet function. It involves…

Q: Discuss about Platyhelminthes. Identify their classes and give the examples of it. Discuss about the…

A: INTRODUCTION R.H Whittaker grouped all organisms into five kingdoms He grouped all creatures based…

Q: Wound healing and mitotic rates in the damaged cornea of a mouse. The level of DNA replication in…

A: Introduction Mitosis is the division of replicated chromosomes into two new nuclei during the cell…

Q: Which of the following is a good example of Natural Selection occurring in the human population?…

A: Example of natural selection occuring in human population.

Q: 18.During ejaculation, sperm cells and semen is released from the reproductive tract of a male. What…

A: Introduction :- In sexual reproduction, sperm is the male reproductive cell, or gamete. Animals…

Q: 6. A protein increases its distance from the rotation axis from 7.6 to 9.8 cm during a 4-h…

A: sedimentation coefficient s = v/rω2, which has cgs units of sec but is often reported in Svedbergs…

Q: You have two populations of snakes in different enclosures in a zoo. In enclosure A the frequency…

A: Answer :- Option (A) is correct. - 0.7

Q: The two primary types of toxins associated with foodborne illness affect the ? A. Nervous system…

A: Introduction :- The gastrointestinal tract is the digestive tract or passageway that connects the…

Q: You have a population in Hardy-Weinberg equilibrium for the Mand alleles. These alleles are…

A: To estimate the frequency of alleles in a population, we can use the Hardy-Weinberg…

Q: Which of the following nutrients is critical for a toddler's nervous systems development? A. Sugar…

A: The formation of your baby's brain is a complicated process that occurs throughout your pregnancy.…

Q: Explain the typical immunophenotypic features of peripheral B cells in: (i) X-linked…

A: X-linked agammaglobulinemia  also called XLA - is an inherited (genetic) immune system disorder that…

Q: Myosin

A:

Q: How are Ca2+ channels involved in phototransduction? they cause neurotransmitter release even if no…

A: Introduction The sensory transduction of the visual system is called visual phototransduction. It is…

Q: Which of the following is false when considering repetitive DNA?   a) STRs are the same as…

A: Noncoding regions include introns that do not code for any amino acids or proteins. However, they…

Q: Which of the following is NOT an effective strategy for reducing exposure to growth hormones and…

A: All milk is healthy and nutritious, and organic milk, like ordinary milk, doesn't really contain…

Q: 1. What is the total size of the PMBBS plasmid in bp? Answer: bp 2. How many cut sites on the pMBBS…

A: As per the guidelines, we are supposed to answer only three subparts. Kindly repost the question…

Q: A student was asked to list the organelles that would be abundant in a cell that synthesizes…

A: The Organelles are little structures that are present inside the cytoplasm that complete funtions…

Q: 12.Place the following events of the acrosomal reaction in the correct chronological order.(This is…

A: Acrosomal Reaction:  A sperm must first fuse with the plasma membrane before penetrating the female…

Q: Which among the following statement is INCORRECT?(This is a multiple choice question choose the…

A: Statement A: Motor neurons can cause the secretion of hormones from endocrine glands in addition to…

Q: List down 2 insect pest each of the following crops. Describe how the insect inflict damage to the…

A: ANSWER;- Onion Explain;- Take around one clove of garlic and one medium-sized onion and add water to…

Q: All of these characteristics of P. aethiopicus suggest that it may represent an evolutionary…

A: Paranathropus is derived from a greek work, in which "para" means near and "anthropus" means man,…

Q: Ir Semitend Sem eanoeus

A: Answer pig bones labelling

Q: 2. Give examples on how work and energy are essential in biological systems.

A: Work is defined as a task that involves the mental and physical efforts to get it done. Energy is…

Q: Please associate the source of energy production with the major by-product created for each source…

A: A human body requires an adequate amount of nutrition so as to function properly. The human body…

Q: If dogs became self-domesticated through a commensal relationship with modern humans, which of the…

A: Answer ::   Symbiotic- A symbiosis is an evolved interaction or close living relationship between…

Q: U A) Small population increases the likelihood of losing alleles B) Population size reduced to a few…

A: When a small number of individuals is separated from a larger population, the founder effect occurs,…

Q: Through anaerobic repsiration, cellular pyruvic acid is converted to? A. Lactic acid B. Glucose…

A: Glycolysis is the break down of glucose. The intermediates that are involved in this can convert…

Q: Discuss what effective population size (Ne) is , and why is it of importance for conservation…

A: The effective populace size is the size of an optimal populace that would lose heterozygosity at a…

Q: Which of the thousands of unstudiednoncoding RNAs have functions in thecell, and what are these…

A: Noncoding RNAs are RNA sequences that do not code for any amino acids.  They function to regulate…

Q: The following micornutrients are especially important to an athlete EXCEPT? A. Vitamin B B.…

A: Micronutrients are necessary for power generation, haemoglobin synthesis, bone density, appropriate…

Q: Provide one example of each microtechnology and nanotechnology in healthcare, especially ones that…

A: Microtechnology includes techniques that makes use of processes and objects at a micro level. The…

Q: ne the typical immunophenotypic features of peripheral B cells in: X-linked Agammaglobulinaemia.…

A: X linked disorder is a disorder in which mutation occurs in X chromosome.  Agammaglobulinaemia means…

Q: Fadi was diagnosed of having chronic stress due the bad economic and political situations in…

A: The common cold is caused by viral infection. People under severe stress are more likely to catch a…

Q: double-stranded length of DNA is exposed to a restriction enzyme.  The enzyme finds 3 recognition…

A: Restriction enzymes Restriction enzymes are the specific enzymes that cleave the DNA in very…

Q: The majority of the body's water can be found A Blood plasma water B Intracellular water Urine D…

A: 7. Intracellular fluid makes up the majority of the water in the body. The interstitial fluid, which…

Q: Which functional division of the nervous system would be responsible for the physiological changes…

A: As per Bartleby policies, we are to answer only one question at a time. Kindly upload other question…

Viral Replication

The virus is acellular and considered non-living outside the host cell. The replication of the virus occurs only inside the living cells. Only a few genes are present in the smallest virus, whereas many genes are present in the largest virus. These genes encode specific viral proteins.