In China, air pollution from burning coal contributes to more than premature deaths per year.

Q: Some traits that can be counted and expressed in whole numbers, such as bristle number in…

A: Introduction Traits are features or attributes of an organism that are influenced by the environment…

Q: 11. The scales of pine cones are (a) always green. (b) modified roots. (c) modified leaves. (d)…

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: Nature Picture Library Aristolochia old stem, x.s. Berkshire Community College Helianthus stem, x.s.

A: 2. Aristolochia young stem : The herbaceous dicot stem.   Leaf promordia which are horns on the…

Q: Which symptoms would be present in a case of aldosterone hyposecretion? O low metabolic rate O low…

A: Autonomous aldosterone hypersecretion leads to hypertension and hypokalemia. ACTH means…

Q: The FITT principle is? A. The principle that a good physical fitness program should be based on…

A: Exercise is a significant aspect of determining an individual's health. Lack of physical activity…

Q: Label the parts of the chick embryo

A: Parts Of The Chick Embryo   oropharyngeal membrane  angiogenic cell cluster  Ectoderm   Endoderm…

Q: Which of the following scenarios does not contribute to the resting membrane potential? O Plasma…

A:

Q: Label the pericarp and receptacle of this cucumber plant.

A: Pericarp  It is mostly present in the fleshy fruits. It is also known as wall of ovary and it is…

Q: Which of the following explain why it is important to study viruses? Select all that apply. O…

A: viruses are one of the most infectious microbes that are considered nonliving things since they do…

Q: The most common nutrient deficiency in young children is caused by inadequate ___ consumption? A.…

A: Option B. is correct : Iron

Q: Fats are the primary fuel source utilized in both anaerobic and aerboic exercise? A. True B. False

A: Fats: Fat is a term used in nutrition, biology, and chemistry to describe any ester of fatty acids,…

Q: As a warm-up, draw lines to match the animals with the sensory reception they exhibit. 1. Platypus…

A: Sensory receptors are specialised to receive certain kind of stimulus. Sensory receptors convert…

Q: MSA/mannitol salt agar plate is selective because: O it allows only gram positive bacteria to grow O…

A: Mannitol salt agar(MSA) It is a selective medium used for the isolation, enumeration and…

Q: In order to insert foreign DNA into a plasmid for molecular cloning, the main components required…

A: Plasmids are small, double stranded, closed circular, symbiotic DNA molecules that occur naturally…

Q: The table below summarizes the results for Sudan IV test. Which solvent the lipid samples are…

A: homogeneous solution   Hexane Ethyl acetate Water Methanol Coconut oil…

Q: 10. Sperm cells are produced by the A. seminal vesicles B. prostate gland C. epididymis D.…

A: The human sperm was first seen by Antony Van Leeuwenhoek in the year 1677. A mature sperm cell is a…

Q: When a depolarization wave reaches the synaptic end bulb of a presynaptic neuron, the NEXT event is…

A: Hormones are proteins that are created in one place in the body and then moved to another to exert…

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: key function of rod photoreceptors is to: detect colors detect fine details in the visual field.…

A:

Q: Which of the following is not true?(a) A single bacterium weighs approximately 1 × 10−11grams.(b) On…

A: Microbes are small organisms that are found throughout the world in both biotic and abiotic sectors.…

Q: 14.The human axial skeleton includes (This is a multiple choice question choose the answer from the…

A: The bones of human skeleton are divided into two groups the appendicular skeleton and the axial…

Q: HPLC FPLC

A: Introduction Chromatography is a scientific technique for separating the components of a mixture.…

Q: Osmotic pressure Hydrostatic pressure

A: The osmotic pressure is the minimal pressure required to prevent the inward flow of a solution's…

Q: A second action potential can be initiated: When both activation and inactivation gates of the Na+…

A: Action potential:  When the membrane potential of a given cell location rapidly rises and falls, an…

Q: UV RAYS (RANGE FROM 275 TO 180 NM) - AN EFFECT ON THE BODY 1. normalization of phosphorus-calcium…

A: Introduction :- UVC, which measures 200 to 280 nm, has the shortest and weakest wavelength. It has a…

Q: In the SIR equation for Infectious hosts, why is the term "- vl" negative?

A: The SIR equation is a mathematical model to study epidemics. Consider the system below. S →β[S][I] I…

Q: What evidence is there for the hypothesis that life originated on Earth by the creation and…

A: The origin of life on the earth is both an interesting and a difficult question to answer. We have a…

Q: How are squalus (shark) brain and sheep brain similar and different? Please avoid copying the…

A: Squalus It represents the genus of dogfish sharks which belong to the family of Squalidae. These…

Q: Animal phylogenies based on molecular and

A: 1) Phylogenetic trees basically reconstructed from different genes in the same organism. However it…

Q: 15.Muscle contraction is caused by (This is a multiple choice question choose the answer from the…

A: Sarcomere is the functional unit of contraction. The distance between two Z lines is called…

Q: What regions of the skeleton may be most useful for determining the sex of the individual from the…

A: Ans is- PelvisIn

Q: The posterior pituitary stores and secretes: O PTH and calcineurin O Insulin and glucagon O…

A: Hormones are known to travel in the complete bloodstream and are responsible for different moods,…

Q: State four reasons why barley is terminated in beer brewing process.

A: Beer brewing:         The process of production of beer by steeping a starch source in water,…

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

A: Energy for biological processes - ATP, photosynthesis and respiration All organisms need energy.…

Q: n example of phase 2 reaction is: A Glucosidation Aromatic hydroxylation C) All of the above D)…

A: 5. The addition of hydrophilic compounds to the parent molecule, a poisonous intermediate, or 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: What is the Main Function of the Small Intestine of the frog

A: Introduction The digestive system of frogs mainly includes the alimentary canal or digestive tract…

Q: After intense excerise, an athelte needs to have a high-carbohyrdrates meal within 24 hours? A.…

A: The daily diet and nutrition of an athelete is different as they workout more than normal person.

Q: Assess the following situations: a. A field planted with rice in their early vegetative stage…

A: Reproductive phase is the phase of the plant where the grains or seeds are produced after…

Q: indicate if TRUE or FALSE 1. Torpedo protein is a membrane receptor 2. Binding of Gurken signals…

A: 1) Torpedo maculopathy is a circumscribed, congenital lesion of the RPE and outer retina so it's…

Q: A mutant E. coli strain is found with a mutation affecting some of its tRNA(Cys). The wild type…

A: The translation is the process of analyzing the mRNA message in order to produce a protein. It is…

Q: If you discovered a fossil hominin that was adapted for both arboreal and bipedal locomotion, had an…

A: Introduction Bipedalism is a type of terrestrial locomotion in which an organism moves by using its…

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: What is the bodily impact of a decrease or lack of secretion of each hormone listed. 1. Thyrotropin…

A:

Q: THE MAIN WAY OF HEAT EMISSION 1. convection 2. conduction 3. radiation 4. evaporation

A: Convection is the process in which heat transfers from one place to another due to movement of…

Q: The following statements about the 'membrane attack complex' (MAC) is incorrect. Explain (i) The…

A: Introduction :- The membrane attack complex (MAC) or terminal complement complex (TCC) is a protein…

Q: Describe the steps of translation initiation,elongation, and termination.

A: Introduction:- The process of forming a polypeptide chain from mRNA codons is known as translation…

Q: A good excercise strategy to lose wieght would be? A. Engage intense activities for 60 minutes per…

A: Exercise  Excersize is the any physical activity of body by which one can maintain physical fitness…

Q: The 'Z' base that replaces the 'A' in the genetic alphabet of certain viruses forms three hydrogen…

A: Base pairing in DNA DNA is the deoxyribonucleic acid, it is a biomolecule that acts as the…

Microbes

Microbes are microscopic living organisms that can only be detected with the help of specialized laboratory equipment called a microscope. These living organisms are so small that they are not visible to the naked eye.