1. True or False: Positive predictive value of a screening test depends on its sensitivity and specificity and the prevalence of the disease being tested for in the community. 2. True or False: Negative predictive value of a screening test depends on its sensitivity and specificity and the prevalence of the disease being tested for in the community.

Q: Muslce tissue contains enough creatine phosphate (CP)  to sustain physical activity for 10 to 15…

A: Muscle tissue is composed of cells that possess the ability to contract to produce movements in the…

Q: Which question will your experiment investigate? (select one and delete the others) How does…

A: Introduction Sugar molecules are known as carbs. Carbohydrates are one of three main nutrients found…

Q: ture MRNA. What are these modifications and what are their significance? Use = following terms to…

A: When introns are eliminated and the mRNA is regarded suitable for translation, eukaryotic pre-mRNA…

Q: The recycling of rhodopsin: involves quanylate cyclase but not arrestin all of the answers are…

A: As per our honor code, we are allowed to answer only one question at a time. You have posted…

Q: Describe 5 examples of biological processes that can cause DNA supercoil?

A: Supercoiling This process takes place to relieve the helical stress in the molecule through twisting…

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: Explain the role of Ras.GTP and Rac.GTP in the formation of active AP-1 during T- cell activation.

A: T cells are produced in the thymus and are primed to recognize a certain foreign particle (antigen).…

Q: Given the highly complex lipidcomposition of cell membranes,what are the variations withindifferent…

A: The preservation of cell structure and function relies heavily on biological membranes. Besides…

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: The accoumulation of higher levels of mercury in large predatory fish is a result of? A. Genetic…

A: Biomagnification is the buildup of a chemical by an animal as a consequence of water and food…

Q: Describe the approaches used to sequence the genomes of yeast (Saccharom)e cerevisiae) and human,…

A: INTRODUCTION -The budding yeast( Saccharomyces cerevisiae) has been widely used for genetic studies…

Q: Older adults must consume more calories to stay healthy? A. True B. False

A: It is a false statement that older people need more calories to stay healthy. Although there is no…

Q: 1. List the similarities and differences in the microbial spoilage of (a) breads, (b) pastries, (c)…

A: Bread: The most common source of microbial spoilage of bread is mould growth. Mould grows on bread…

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…

Q: B. Healthy immune syste

A:

Q: Identify and label these parts in old woody dicot roots: Cork Vascular cambium Cork cambium…

A:

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…

Q: indicate if TRUE or FALSE 1.  Cactus is an inhibitory protein.

A: Note: As Per Guidelines, We Can Answer One Question At A Time. Ask Again To get rest answers.…

Q: Write true if the statement is true or false if the statement is false. 16. Plants are a direct or…

A: Plant are photosynthetic , autotrophic organism that belongs to kingdom Plantae . Kingdom Plantae…

Q: Do the many “dead” transposonsin the human genome provide anybenefits to humans?

A: A gene is the essential physical and functional unit of heredity. Genes are comprised of DNA. A…

Q: If the food is contaminated by bacteria, as long as fully boiled for over 10 minutes, it is still…

A: Introduction Bacteria are single-celled organisms that are tiny. Bacteria can be found practically…

Q: Incorrect Question 6 Which conditions would NOT lead to good preservation of a dead hominin…

A: Ans is-- Dying in an open grassland that is seasonally dry or wet.

Q: How can you use the scientific method to study ranaviruses

A: Ranaviruses are a kind of pathogens which infects ectothermic vertebrate species .

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: The amount of light entering the eye is determined by the size of the: O The pupil O The lens O The…

A: Pupil present in the center of iris .The amount of light entering the eye control by the size of…

Q: The excess ATPs are stored in muscles as CPs? A. True B. False

A: Adenosine triphosphate (ATP) is a three-phosphate nucleotide. The addition of phosphorous to the…

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

A: Most of the coal use in power plants for energy production and also in steel industries. The burning…

Q: Explain delayed type hypersensitivity (DTH). How might you expect to induce it? What components of…

A: The delayed type hypersensitivity (DTH) is characterized by the T cells recruitment into tissues to…

Q: Why are the B vitamins especially important to an athlete? A. The B vitamins are directly involved…

A: Vitamin B Vitamins are essential organic micronutrients required by the body for proper growth and…

Q: QUESTION 22 Which of these statements is false? O Physical activity increases the risk of adverse…

A: One of the reasons for the rapid rise in obesity in adults and children is the inexpensive…

Q: What are the MOST common sources of glucose needed for energy during exercise? A. Blood sugar and…

A: Proteins, lipids, and carbs are all potential energy sources for muscular contraction and exercise.…

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

A:

Q: What is the PAR receptor?

A: In biology, receptors are chemical structures made up of proteins that aid in signal transmission by…

Q: What are the stages into which photosynthesis is divided?

A: Introduction - Photosynthesis is a cycle utilized by plants and different life forms to change over…

Q: Why is electrophoresis important in Molecular Biology

A: The elctrophoresis is a general term that depicts the migration and partition of charged particles…

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: Name and describe ways that organisms obtain energy and carbon from theenvironment.

A: Introduction: For survival, growth, and development, all living entities require energy. The ability…

Q: What are the processes of the photochemical stage of the photosynthesis process?

A: Introduction Photosynthesis is the process performed by plants and other organisms to convert light…

Q: Which of the following is not true about the premise of a dose/response relationship? A There is a…

A: ANSWER;- LD50 is the inverse square of the dose Explain;- LD means "Lethal Dose". LD50 is how much a…

Q: The following statements are correct except* a. Assimilates are transported from areas of supply to…

A: Food, primarily sucrose ( assimilate) is transported by the vascular tissue of phloem from a source…

Q: There are 10 E. coli cells in a test tube.  After 4 generations in exponential phase, how many E.…

A: A growing bacterial population doubles at regular intervals. Thus, the E. coli cells grows in a…

Q: Find the flaws within the sentance/s Extinction is the complete disappearance of a species from…

A: Extinction refers to a species' full extinction. Extirpation, also known as local extinction, occurs…

Q: Explain why the 16S rRNA gene sequence can reveal useful information about bacterial taxonomy that…

A: Introduction :- The majority of bacteria are not harmful. Those that are have specific virulence…

Q: What are the processes of the photochemical stage of the photosynthesis process?

A: Introduction :- Plants take in carbon dioxide (CO2) and water (H2O) from the air and soil during…

Q: Explain how the sequence of a molecule of DNA, made up of many monomers of only four possible…

A: DNA is an organic molecule that includes genetic data as well as guidelines for protein creation. It…

Q: Refrigerating or freezing foods will kill most or all bacteria present in the food? A. True B.…

A: Introduction :- Bacteria are single-celled organisms that are small in size. Bacteria can be found…

Q: Which of the following is not true of toxicant binding to plasma protein? Is usually ionic bonding…

A: 14. Reduced plasma protein binding results in a rise in free plasma fraction, which increases…

Q: AT THE HIGH TEMPERATURE OF THE SUBJECTS WITH WHICH THE BODY OF THE PERSON IS CONCERNED, THE WAY OF…

A: Introduction Everyone's normal body temperature is varied and varies throughout the day. A high…

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: Different hypersensitive responses can result from a bee sting. What type of hypersensitivity could…

A: i) This case is of hypersensitivity type 1 as the effect disappears within an hour and does not get…

Health Epidemiology

Health is an essential factor for all human beings. For all humans, health is a critical factor. An individual's ability to meet life's challenges and retain his or her capacity for optimal functioning is reflected in his or her condition of health. This needs the physical, mental, and biological parts of one's constitution to maintain a degree of functioning that has a favorable influence and support for one another.