NITROGEN IN NORMAL ATMOSPHERIC PRESSURE 1. indifferent gas, diluent of the atmosphere 2. correlated with other indicators of the condition of the air environment 3 has a narcotic effect 4. leads to the development of decompression sickness 5. leads to the formation of methaemoglobin

Q: Which protein is NOT necessary to initiate DNA replication in E. coli? A. helicases

A: The biological process of making two identical DNA replicas from a single original DNA molecule is…

Q: 5. Below is an image of DNA sequenced using the Sanger sequencing method, where different…

A: Gel electrophoresis is a molecular technique that aims to separate the DNA, RNA, and protein…

Q: 1. What hookworm penetrate into the skin and causes potbelly of malnutrition, microcytic and…

A: INTRODUCTION Parasites These are organisms that lives in a host and take food from the host…

Q: Explain the formation of tree rings.

A: Introduction :- A tree's girth grows each year, and the new growth is known as a tree ring. The…

Q: All of the following are examples of producers EXCEPT: - Polytrichium commune, hair cap moss -…

A: Plant are the photosynthetic autotrophic organism which have ability to make their own food . It…

Q: 14. Design an experiment to determine how tightly epithelial cells are connected through cell…

A: Cell adhesion is described as a process by which there is the interaction between the cells and…

Q: Proteus vulgaris is positive for the production of the enzyme phenylalanine whereas Escherichia coli…

A: INTRODUCTION Proteus vulgaris is a Gram-negative, rod-shaped, nitrate-reducing, indole-positive, and…

Q: Which of the following is correct about the differences between DNA and RNA? DNA is usually…

A: INTRODUCTION DNA : Deoxyribonucleic acid RNA : Ribonucleic acid

Q: Make a comparison between the properties of whole blood, blood plasma, lymph, and tissue fluid

A: Whole blood consists of particulate matter in the form of cells,  proteins and liquid in the form of…

Q: Which of the following is an evolutionary leftover from a feature that a common ancestral special…

A: Introduction Evolution:- It is a process of gradual change in the characteristics of a species over…

Q: Below is a Figure of a Shoot Tip, indicate which numbers is/are meristematic cells? 4 13 5. 21

A:

Q: Transcribe the following DNA sequence.  Then translate the resulting mRNA transcript.…

A: Mutation is any change in the DNA sequence. It can alter the protein sequence because the proteins…

Q: Which of the following is a function of TRNA? O A) brings one amino acid to the ribosome B)…

A:

Q: During aerobic respiration, high energy electrons are taken from glucose and transferred to electron…

A: Cellular respiration takes place either aerobically or anaerobically inside the cells. In case of…

Q: Which of the following statement(s) about the digestive system is (are) correct? SELECT ALL THAT…

A: The alimentary canal and the gastrointestinal accessory organs make up the human digestive system.…

Q: Baffling Bacterla Part A The Infection We have studied bacteria and know that they reproduce by…

A: The simplest time of cell division in which two daughter cells are formed by simultaneous and…

Q: What is the difference between the heart sounds of lupp and dupp?

A: Lub and dup are cardiac sounds that can be detected with a stethoscope placed on the chest just…

Q: If we say that a certain STR locus has “high heterozygosity” in the human population, what do we…

A: Short tandem repeat (STR) markers or "core loci" are required for the entry of DNA genotype data…

Q: Oestrogen, follicle-stimulating hormone (FSH) and luteinising hormone (LH) works together to…

A: The endocrine system collaborates with the neurological system to keep the body in a state of…

Q: During a mild exercise, which one(s) will NOT increase? 1. MAP 2. Systolic arterial pressure 3.…

A: Exercise improves the efficiency of the cardiovascular system by delivering oxygen and nutrients to…

Q: 3. Please select all true answers. Myosin I is simple and often associated with the plasma membrane,…

A: Myosins are the motor proteins based on actin filament.

Q: Root hairs increase the surface area of the root O increase water absorption increase nutrient…

A: Water and mineral nutrients move from the soil to the upper parts of the plants through the xylem.…

Q: Describe the structure of the Lac operon. How is it turned on? How is it turned off?

A: Chromosome is a long thread lie structure which comprises of hereditary units known as genes . These…

Q: Match the molecules (List 2) with the cell structures in which they are involved (List 1). A cell…

A: A Cell is made up different molecules that help it in maintaining its structure and function.…

Q: A distinguishing characteristic of Eukaryotes is that they contain membrane-enclosed organelles and…

A: The presence of a nucleus distinguishes eukaryotes from prokaryotes. Eukaryota is one of the three…

Q: Describe evidence supporting the hypothesis that red algae and green algae should be included in a…

A: Monophyletic groups are the ones that include all the descendants of a common ancestor.

Q: Match the molecules (List 2) with the cell structures in which they are involved (List 1). A cell…

A: The cell is the structural and functional unit of life. It comprises of the cell membrane, cell…

Q: This muscle moves the eyeball upward. 1) superior rectus 2) lateral rectus 3) inferior oblique 4)…

A: The eye is a sensory organ that aids in the perception of sight or vision. The eyeball and various…

Q: Which white blood cells participate in innate defenses?

A: Innate immunity  Innate immunity is non specific defence system of the body.

Q: Do we have good and bad cholesterol? What happens when the density of LDL in the blood increases…

A: Cholesterol monitoring is an important aspect of health care because it can tell you a lot about…

Q: Which of the following groups of early-diverging animals is comprised of two layers of cells that…

A: Introduction Divergent evolution:- It refers to the process by which interbreeding species diverged…

Q: In a study, melanoma patients who developed vitiligo, lived longer than those who did not. The…

A: Melanoma It is defined as the type of skin cancer in which melanocytes are affected and cause…

Q: 17 Match the number of the label in the diagram below with the appropriate site or structure from…

A: Electron transport chain Also called the ETC is composed of four protein complexes. These protein…

Q: All of these materials are needed for translation EXCEPT: O A) TRNA O B) ribosomes C) RNA polymerase…

A: Translation, in molecular genetics, is the mechanism by which ribosomes in the cytosol or…

Q: Below is a Figure of an Onion Root Tip, determine which of the encircled is/are meristematic?

A: Among the encircled regions the region 1 is representing the root apical meristem.

Q: Match the following polymerases with their function. + DNA Polymerase III DNA polymerase I + RNA…

A:

Q: Which of the following is NOT true of Aspergillosis? it is a zoonosis O it may cause serious lung…

A: Aspergillosis is an infectious disease caused by the fungus, Aspergillus fumigatus. The mainly…

Q: How is a child with Type I diabetes similar to a child who is starving? Mark all that apply 2 Both…

A: Type 1 diabetes, also known as insulin-dependent diabetes, is a chronic condition in which the…

Q: phenotypic screens.

A: Phenotype: Any measurable characteristic or distinctive trait possessed by an organism is called The…

Q: The ability to taste the compound PTC is controlled by a dominant allele T, while individuals…

A: A trait is a characteristic features that is exhibited by particular individual . As per the…

Q: Breakdown and provide examples of the major types of air pollution.

A: Air pollution refers to any physical, chemical or biological change in the air. It is air pollution…

Q: bu generate mutants in the metabolic pathway for starlase. You conduct some complementation sts…

A: A complementation test is used to determine whether two mutations present at the same locus or at…

Q: Treatment of cells with a drug that blocks the function Ran-GAP would result a. the accumulation of…

A: Proteins are transported into and out of the nucleus by nuclear pore complexes, which entail a…

Q: Which of the following cells secretes the enzymes - gastric lipase and pepsin ogen? Group of answer…

A: Mucous neck cells: These basically located in gastric glands. These contain less mucin in apical…

Q: What was the significance of Meselson and Stahl’s experiments on DNA replication using the heavy…

A: Replication is the preliminary stage of inheritance and the central dogma describes how DNA makes…

Q: Which of the following statements about eukaryotic RNA is true? O Exons are spliced together. OA…

A: Exons are spliced together True - Splicing is defined as a process in which the introbs , the non…

Q: 2 AXIS (left side) '3

A: In frog the axial skeleton has a skull, vertebral column, sternum and ribs.

Q: Learning Task 13-1: Diseases Caused by Mutations Disease What gene is affected by Mutation? What is…

A: A genetic disorder is a medical condition caused by one or more genetic defects. A chromosomal…

Q: specifying the protein lysozyme from the bacterial virus T4 caused a change in the protein from ts…

A: INTRODUCTION Amino acids are the building blocks of proteins and nitrogenous backbones of…

Q: Discuss the various ways of AIDS transmission in both men and women. After defining the…

A: