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Q: In humans, PKU (phenylketonuria) is a recessive disease caused by an enzyme inefficiency at step A i...

A: A recessive disease requires two copies of the abnormal allele to manifest, that is, individuals sho...

Q: Follow the route food takes in the human GI tract and know the organs and their key functions includ...

A: Digestive system is an important component of every animal as it helps to get the nutrition we need ...

Q: Black body (b) and purple eye (pr) are recessive autosomal mutations in Drosophila. Bridges are cros...

A: b - allele for black body - recessive pr - allele for purple eye - recessive B - wild type for body ...

Q: Using any search engine, look for at least three (3) processes of Plants and Animals: reproduction, ...

A: Both animals and plants uses various organ systems to perform different functions for their survival...

Q: Which of the following statements about cancer is correct? A. Cancer stem cells can make tumors resi...

A: Cancer is a disease that occurs when the cells in the body start dividing abnormally. They go out of...

Q: A. List some invertebrates who are endotherms B. How can something be ectothermic but also maintain ...

A: A) Like most other birds and mammals, humans, polar bears, penguins, and prairie dogs are endotherms...

Q: Data Table: Comparison of Mammalian Species (Humans, Mice, Cats, and Baboons) Test 3 Nicotine Recept...

A: Nicotine receptors in Brain. Neuronal nicotinic acetylcholine receptors (nAChRs) are a family of lig...

Q: Important functions of carbohydrates include O structural support and hormones. O enzymes and hormon...

A: Carbohydrates are the body’s primary energy providers. Carbohydrates are one of the three macronutri...

Q: Which of the following statements about the differential expression of human genes is correct?

A: There are three postulates of differential gene expression, two of which states that -  1. Every nuc...

Q: Consider two blood polymorphisms that humans have in addition to the ABO system. Two alleles LM and ...

A: A gene is the essential physical and functional unit of heredity. They are comprised of DNA (deoxyri...

Q: Melting of _____ does not contribute to sea level rise   a. Greeland ice sheet   b. Antarctic ic...

A: Melting of ice leads to the increase in sea level. When the temperature increases, polar caps melt. ...

Q: Three kinds of muscle cells- cardiac, smooth and skeletal- differences between their anatomy? Rememb...

A: Muscular system There are three types of muscles in our body , they are  Skeletal muscle Smooth mus...

Q: Q6.10. For a population containing 80 females and 20 males, what is the effective population size, N...

A: Introduction:- One of the most significant parameters in population genetics and conservation biolog...

Q: Briefly explain the importance of several receptors in aquatic environment. Provide concise examples...

A: Environmental receptors: they are used in ecological risk assessment. 

Q: What factor could have been responsible for the changes in the population's age structure? Use the s...

A: The population age structure of a country or region is the distribution of its people's ages. This c...

Q: please help 2 questions  1) how can you tell the difference between male and female fruit fly? 2) ...

A: fruit fly also called drosophila melanogaster is an extensively studied fly for genetically linked t...

Q: Outline five (5) Biomedical Engineering devices and their applications

A: There are few important points about Biomedical engineering are as follows: It is a field in which ...

Q: True or False. The binding affinity between a peptide agonist and its specific G protein coupled rec...

A: Introduction:- Intermolecular interactions such as ionic bonds, hydrogen bonds, and Van der Waals fo...

Q: Consider the following reaction. What is the consequence of the increase of cytosolic CAMP concentra...

A: During fight or flight response, heart rate and blood pressure increases. This means breathing occur...

Q: What are the typical features of the age yramids of underdeveloped countries?

A: Definition:- The Age Pyramid is a graphical representation of distribution of populations of a parti...

Q: 1. Differentiate Precipitation from Agglutination reactions based on:      a. Time duration of the ...

A: Agglutination is the procedure of clumping antigens with their respective antibodies. Agglutination ...

Q: Tell how to make a 1 M solution of Mg3(PO,), and a 0.1 M solution of caso,. Ca.SO4.

A: The term molarity can be used to describe the solute concentration in a particular solution. The for...

Q: Provide a description on the plant cell of the Hydrilla leaves viewed on a microscope with high powe...

A: Answer : Hydrilla is a type of aquatic plant which are the submerged in water.  They functions as th...

Q: What does it mean to find two different species are found in the same layer

A: Species It refers to the group of living organisms that involves similar individuals that have the a...

Q: Why is a human Rab protein with no direct yeast equivalent chosen as an “outgroup” for a study?

A: Rab proteins →Ras-associated binding proteins are part of the Ras superfamily that are involved in s...

Q: If you are a strong taster, how many bands would you expect on the gel after electrophroesis? O1 O2 ...

A: Strong taster is the person who gets the taste of food stronger than average people they are called ...

Q: Select all the following statements that are TRUE regarding viruses: □ All viruses are potentially ...

A: viruses- is a microscopic non cellular living organism. viruses are surrounded by protein coated lay...

Q: In roses, the synthesis of red pigment is produced by two steps in a pathway. gene O magenta interme...

A: Null mutation :- This mutation is type of loss of function mutation, in this mutation the product ma...

Q: A. When heart muscles due we have a heart attack. Death is usually from lack of O2… but how can that...

A: A circulatory system is composed of the heart that pumps blood and blood vessels (arteries and veins...

Q: The divion of the tain which indate the medula oiongata the pons nd the cemtelum The division of the...

A: metencephalon

Q: Pathogen A has an ID50 of 10 cells and an LD50 of 10,000,000 cells. Pathogen B has an ID50 of 10,000...

A: Given information Pathogen A ID50 of 10 cells LD50 of 10,000,000 cells Pathogen B ID50 of 10,000 ...

Q: Macroevolution Please give examples; How is this studied

A: The evolution of groupings larger than a single species is referred to as macroevolution. Simple evo...

Q: What are persistent organic pollutants (РOPS)?

A: Introduction In this question we have to write about the persistent organic pollutants.  

Q: How does methylation affect development in terms of epigenetics, cancer, and general development?

A: Answer :- Cancer cells contain adjusted DNA methylation designs. There is a lot of lessDNA methylati...

Q: What are the main types of waste?

A: Introduction Organic waste, recyclable waste, non-recyclable waste, toxic waste, nuclear toxic waste...

Q: you were trying to locate where a gene resided on a chromosome, you would be looking for the gene's ...

A: Phenotype is the expressed character trait of an organism Allele is the genetic equivalent of a trai...

Q: Sketch one photosystem. Label the light-harvesting complex, reaction center chlorophyll, and primary...

A: Introduction :  Photosystem II / PSII is present in stacked region of thyllakoid.  PSI and ATP synth...

Q: A blood culture from a patient is taken for analysis. The potentially diseased blood is then analyze...

A:   Presence of alcohol in body can be done by foreign invaders like bacteria yeast and other microorg...

Q: disinfectants, antiseptics and antibiotics

A: Disinfectants are a type of  chemicals that destroy pathogens of causing of disease or other harmful...

Q: In your own words, kindly give the function and allowable limit (if applicable) of each of the follo...

A: All the given ingredients have their own health benefits. These ingredients are essential and have a...

Q: Even though the body's organ systems are grouped separately, they are not independent of each other....

A: During cold level of oxygen in our body become little low due to high secretion of mucus and runny n...

Q: called the ______ and at least one thicker-muscled chamber that squeezes blood out of the heart: v__...

A: Circulatory system Heart is made up of chambers which function to pump blood and act as temporary re...

Q: H* ions generated by reactions in the electron transport chain, as well as H* ions present in the ma...

A: The electron transport chain is a series of reaction in  four protein complexes, taht creating an el...

Q: answer the question. The bombardier beetle is spraying a boiling hot liquid that contains irritating...

A: Introduction: Beetle is considered to be the gardener's friend and it is a fearsome predator as it c...

Q: Radishes may be long, round, or oval, and they may bered, white, or purple. You cross a long, white ...

A: A dihybrid cross can be utilized to show the inheritance of characteristics to the offspring when pa...

Q: A broth culture is initially inoculated with a single bacterial cell. For the first hour the bacteri...

A: * Given that  The bacteria has generation time of 30 minutes. So it takes about thirty minutes to di...

Q: Recall           p + q = 1           p2 + 2pq + q2 = 1                    p is the frequency of t...

A: The Hardy-Weinberg equilibrium is a model that predicts the frequencies of alleles in a population. ...

Q: Why are the elements found in the I=P x A x T important in terms of them having an impact to our env...

A: Any organism cannot survive in isolation. It is surrounded by a number of biotic and abiotic factors...

Q: What analysis is provided by the study of human age pyramids?

A: A population pyramid which is also known as age pyramid is a graphical representation of distributio...

Q: Each one of the different contraceptive methods has its pros and cons. Give an example of a method l...

A: Introduction: The birth control methods which deliberately prevent fertilization are referred to as ...