First chemicals used to induce cancer? A. Bleach B. Battery acid C. Antifreeze D. Coal tar condensates

Q: Which stain is most frequently used to distinguish differences between thecell walls of medically…

A: The cell walls of bacteria are made up of peptidoglycan- a layer of polysaccharide chains cross…

Q: Which process consists of modifying an individual’s genome?​   a. ​DNA profiling   b. ​SNPing   c.…

A: In biotechnology different techniques have been used routinely in laboratories that ultimately…

Q: Which mechanism of antibiotic resistance is most likely to result in "cross resistance"  against…

A: Antibiotics are antimicrobial compounds that are either bactericidal or bacteriostatic in function.…

Q: Which polysaccharide is usually found in the cell wall of fungi? a. starch b. glycogen c. chitin d.…

A: Fungi are the non-motile eukaryotic organisms which exists as saprophytes and parasites. They…

Q: what is bibulous paper used for? a. bleaching the benchtop b. cleaning microscope lenses. c.…

A: To view sample sections under microscopes, slides should be prepared. For the preparation of slides,…

Q: Free radical formation can occur as a result of normal cellular metabolism? A. True B. False

A: Any molecular species capable of independent existence that has an unpaired electron in an atomic…

Q: Which classes would not work to treat a walking pneumonia patient? A. Aminoglycosides B.…

A:

Q: What food should you avoid feeding a child under 1 year old because of potential botulism? a. honey…

A: Botulism is food poisoning caused by the bacterium Clostridium botulinum.

Q: What is the cause of lung disease cystic fibrosis? A. Tuberculosis B. Pneumonia C. degradation of an…

A: The questions ask about the possible cause of cystic fibrosis.

Q: Which is not an essential amino acid? a. Tryptophan b. Threonine c. Histidine d. Cysteine

A: On the basis of nutritional requirement amino acids are divided into three groups:-   1) Non…

Q: Signing up for weight watchers because you’ve learned you have high blood pressure due to obesity is…

A: Blood Pressure: Blood pressure is the force exerted by the blood against the walls of the blood…

Q: What is the decolorizer for the spore stain?

A: Spore Staining is a technique used in microbiology to differentiate vegetative cells and…

Q: In what part of the reproductive tract the following events take place? a) b) Ovulation Oogenesis c)…

A: The female reproductive system consists of a pair of ovaries along with a pair of oviduct, uterus,…

Q: Find the connection among the words below and choose the letter of the word which is different. OA.…

A: Basic structural components of an microscopic organism shouldn't be visible under a light magnifying…

Q: What causes "goose bumps" and hair on the skin to stand up?     A. sebaceous glands   B.…

A: Skin is divided into two layers-  epidermis that itself is divided into 5 layers and demis. Dermis…

Q: DNA fingerprinting and antibody-based ELISA tests would be used during which step of microbial…

A: There are many techniques that are very helpful in the field of biotechnology such as polymerase…

Q: Giovani Aldini's reanimation experiments, especially in humans, were actually aimed at achieving…

A: Giovanni Aldini was an Italian physicist and anatomist who conducted reanimation experiments in the…

Q: How does fluoroquinolone antibiotic drug treat infections? a. Blocking folic acid synthesis  b.…

A: Antibiotics, as the name suggests, are antimicrobial compounds that are either bactericidal or…

Q: Why did bacteria not degrade this body like they would normally?   A. Because bacteria did not…

A: The question is asking why a body did not decompose as it normally would due to bacterial activity.…

Q: What is the role of the nucleolus?   A. produce DNA   B. produce lipids…

A: Solution :- Nucleolus  Is a structure in the nucleus and is primarily responsible for creating…

Q: which temperature will yield a colorless solution given a mixture of starch, I2, and amylase?

A: Lugol's iodine contains potassium iodide and iodine in water. It is used for various purposes such…

Q: Minerals are absorbed by plants in? A. solid form B. molecular form C. colloidal form. D.  ionic…

A: Plant nutrition involves uptake of the chemical elements that are necessary for plant growth. This…

Q: Which form of transport through the plasma membrane requires the expendi- ture of energy by the…

A: Introduction :- The plasma membrane, also known as the cell membrane, is the membrane that separates…

Q: What is hydroxyapatite? A. An organic molecule that makes bones weak B. A mineral that makes bones…

A: The human skeletal system consists of bones and joints. The bones are the vital body parts that are…

Q: What is the chemical nature of membrane components that enable cells to move substances in and out…

A: The plasma membrane or cell membrane is a phospholipid bilayer. The most excepted model of the…

Q: What is commonly known as 'whiteplague'?A. Typhoid                                                B.…

A: Typhoid, malaria, tuberculosis and HIV all are infectious diseases caused different organisms.…

Q: Many connective tissues like cartilage, ligaments, tendons skin dermal layers secrete an extra…

A: Connective tissue is tissue that supports, protects, and gives structure to other tissues and organs…

Q: When are free radicals formed? A. Only in disease states, because that is what initiated the…

A: Free radicals can be defined as a type of molecule that has 1 or >1 unpaired electron & they…

Q: Digitoxin, the molecule used to treat congestive heart failure, is what type of molecule? a. mixed…

A: Digitoxins are plant alkaloids.They increase myocardial contraction, which will increase blood…

Q: What is the primary function of carbohydrates attached to the exterior of cell membranes? a.…

A: The top layer of animal cells is called the plasma membrane. By Singer & Nicholson, the…

Q: What vegetables and types of crystals may be found in these vegetables? 1. raspberries 2. dates

A: There are thousands of these specific phytonutrients in greens, usually in small quantities. Plants…

Q: The catabolic reaction whereby a cell creates energy is called?   A. Lipogenesis B. glycogenisis…

A: The sum total of all reactions which are required to sustain life is called metabolism. Metabolism…

Q: What is more important in separating molecules by electrophoresis?

A: Electrophoresis is a technique that is used for the separation of charged molecules in a mixture…

Q: Which moisturizing carrier oil is great for all skin types and absorbs quickly into the skin and it…

A: Carrier oil is a term used for type of oil that is base oil or vegetable oil. These are used to…

Q: DNA could be denatured without maximum damages a. NaCl b. High heat c. NaOH d. Na-acetate

A: The process of separation of double stranded DNA (dsDNA) into single strands by physical or chemical…

Q: Proteins serve as the "machinery" for the living cells. What type of molecules serve as blueprints…

A: Proteins are naturally-occurring molecules that perform various functions in the body. They function…

Q: Which theory of aging states that unstable oxygen molecules tend to steal electrons as they bounce…

A: The unstable oxygen molecules have higher energy and can damage the biomolecules.

Q: An example of an antioxidant enzyme system inside the cell is? A. Cellular respiration B. Vitamin E…

A: The antioxidant enzymes are responsible for metabolization of oxidative toxic intermediates. They…