In the normal EKG the QRS wave correlates with electricity present in which structure?     ventricles     atrial chambers     Bundle of His     Purkinje fibers     L/R bundle branches

Q: Please complete the table below. asap Types of hemodynamics Definition Causes Example 1.…

A: All these diseases are blood disorders. Hemodynamics measures cardiovascular functions related to…

Q: Ch. 8: Which of the following infections is NOT generally considered to be a sexually transmitted…

A: Introduction :  The term "sexually transmitted diseases" refers to all diseases that spread through…

Q: A scientist wants to make a random mutation in a specific gene to investigate that gene's function.…

A: A random mutation is a change in the sequence of nucleotides that makes up an organism's genetic…

Q: Suppose the following experiment was run: An unbreakable cell was placed in 3 beakers with different…

A: Osmosis is a process of diffusion in which the solvent molecules move from its higher concentration…

Q: The function of the lysosome is to Select one: a. remove ubiquitinated proteins b. make proteins c.…

A: Macromolecules are disassembled by lysosomes into their component parts, which are then recycled.…

Q: Organisms that have cells with no defined nucleus or other internal membranous structures are…

A: The nucleus is the central structure of a cell, located within the cytoplasm. It contains genetic…

Q: 1a.) An endemic species is _____. Select one below:  Option a: Is found worldwide Option b: Is rare…

A: Introduction  All living things that are capable of breeding with one another and generating living…

Q: rate of reaction

A: The molecule upon which an enzyme acts is called a substrate. The chemical reactions involving the…

Q: Which of the following is NOT a feature of genetic reassortment? A)  a host cell is coinfected with…

A: Genetic reassortment is the changes in the genome of the virus that affect the host. This helps in…

Q: 23. Explain the relationship between DNA, genes, alleles, and traits. Alleles are also genetic…

A: 23. Deoxyribonucleic acid, or DNA, is a biological macromolecule that carries hereditary information…

Q: Ch. 7: When a sphincter of the bladder is weakened, this could lead to: a) reflex incontinence b)…

A: The muscles needed to control urine, such as the pelvic floor muscles and the urethral sphincter,…

Q: Ch. 6: Chvostek sign (twitching of facial muscles after gently tapping the cheek by the ear) is an…

A: The following given option means,  Hyponatremia -- low sodium level Hypernatremia -- high sodium…

Q: Slow block to polyspermy is linked to the cytosolic accumulation of the ion a. iron Ob. calcium O c.…

A: Multiple sperm fertilizes the egg, and the embryo acquires multiple parental centrioles, resulting…

Q: The following is a picture of Eosin Methylene Blue Agar. What does the growth on this plate…

A: Eosin Methylene Blue (EMB) agar is a selective and differential culture medium which selectively…

Q: agriculture is typical in more developed countries (MDCs) and involves growing food to sell on…

A: Ans: Depending on the geographical conditions, labour, produce, and the machinery to use in the…

Q: Which structure is the the site of the synthesis of proteins that will be used inside the cell?  a.…

A: Proteins are essential biomolecules composed of adjoining monomer units "amino acids" via "peptide…

Q: T-cell receptor diversity is controlled by Select one: DNA recombination during prophase of meiosis…

A: T cells are the lymphocytes involved in adaptive immune responses. These cells have receptors for…

Q: T-cell receptor diversity is controlled by __________. Select one: a. DNA recombination during…

A: More junctional areas and more N nucleotide addition are responsible for the enhanced T-cell…

Q: Which of the following statements regarding retroviruses is FALSE? A)  a cellular enzyme converts…

A: Normally virus can have genetic material as either RNA or DNA. Retrovirus is a type of virus which…

Q: resting state of the protein, the Lys 216 Schiff base has pKa = 9.5 and Asp 85 has pKa = 3.5. When…

A: Lysine is an amino acid with a positively charged R group. Aspartate is the amino acid with a…

Q: For each tube in a serial dilution, 1 ml of one solution is diluted into 5 ml H₂O. Determine the…

A: Dilution factor -  In dilution process a stalk solution is diluted. The times of dilution (factor by…

Q: Mannitol Salt Agar (MSA) and Eosin Methylene Blue Agar (EMB) are both exam of selective and…

A: Nutrient Media is enriched with chemically synthesized and/ or naturally extracted components,…

Q: Which of the following is NOT a function of the cytoskeleton? Group of answer choices Helps…

A: Introduction The cytoskeleton is a dynamic network of protein filaments and tubules. It is found in…

Q: Cytosolic concentration of calcium in cells is typically because calcium is -

A: Cytosolic concentration means the concentration of calcium inside the cytosol. The cytosol is the…

Q: which of the following is a result of colonization by mutualistic and commensal microbes? (multiple…

A: The Human body is the host of millions of microorganisms, most of which are beneficial and if…

Q: A cell containing 48 chromatids at metaphase would, at its completion, produce two nuclei each…

A: There are 5 stages in Mitotic cell cycle - 1. Prophase, 2. Prometaphase, 3. Metaphase, 4.Anaphase,…

Q: does human contain supercoiling DNA？Why supercoiling is important and what is it？

A: A higher-order DNA structure is described by DNA supercoiling. Two complimentary strands are wound…

Q: Why is there many different glucose transporter for the human body? in our biochem book we have 12…

A: The most basic type of carbohydrate is glucose. Through the process of photosynthesis, plants make…

Q: Ch. 6: Water intoxication may be due to: a) administration of too much hypotonic solution b)…

A: Water is the liquid present in the cells. It has salts and other chemicals dissolved in it.

Q: explain the concept of signal transduction pathway and give one example in detail of a signal…

A: Introduction:- Signal transduction is the process in which a signal molecule binds to their specific…

Q: Plants transport materials through their vascular system. Which row in the table below correctly…

A: The vascular system of plants refers to the system of different tissues where each tissue is…

Q: In terms of enzymes, a decrease in Km best reflects an enzyme that has Select one: O b. OC. a lower…

A: Enzymes are the proteinous substances required for accelerating the rate of any chemical reaction.…

Q: QUESTION 45 would be best suited to study the movement of a living white blood cell. a. Light…

A: Introduction:- Biophysical methods and techniques are used in biology to study the structure &…

Q: Ch. 8: Which of the following is NOT a benign condition of the reproductive system a) mastitis b)…

A: Among the given options, the correct answer can be identified as follows- C) Uterine cancer Here,…

Q: Ch. 7: Inflammation of one or both kidneys, due to infection, is calle 4 a) pyelonephritis b)…

A: Every vertebrate has a pair of kidneys, which have the form of beans. In addition to keeping…

Q: Which of the following is NOT a component of the human body's second line of defense against…

A: INTRODUCTION Defense mechanism of human body Defense mechanism has three lines including physical…

Q: What evidence would best support the hypothesis that arsenic is an essential element for a newly…

A: The periodic table's fourth period and fifteenth group both include the chemical element arsenic.…

Q: Ch. 6: The main imbalance in a patient with COPD is likely to be: a) respiratory acidosis. b)…

A: COPD - Chronic obstructive pulmonary disease (COPD) Is a disease caused by the inflammation of the…

Q: Which of the following summarizes the role of acetylcholinesterase in muscle contraction? O opens…

A: Acetylcholinesterase (AChE) is an enzyme that breaks down the neurotransmitter acetylcholine in the…

Q: Which of the following is placed in the correct order of smallest to largest? Selected answer will…

A: Introduction  metre (m), also called  meter, in measurement of length, width , depth distance etc.…

Q: The diploid number of chromosomes in a cell of a domestic cat is 38. The table below shows the…

A: The interphase, a non-diverging phase, is composed of the G1, S1, and G2 phases in that order. While…

Q: pyramid. Explain this phenomenon. (c) An ecologist is doing an in-depth study of a tundra ecosystem.…

A: Given,  Producer biomass per square meter is. = 3.5 kg/m2.

Q: The enzyme that separates the two strands of a DNA molecule during replication is:   DNA ligase

A: 1. The enzyme that separates the two strands of a DNA molecule during replication is helicase. The…

Q: Complete the labels for the following diagram of translation. NOTE: A is the product of this…

A: Translation is the second step of gene expression in which information from mRNA is encoded into the…

Q: pyramid. Explain this pheno An ecologist is doing an in-depth study of a tundra ecosystem. He does a…

A: Given, Producer biomass per square meter is. = 3.5 kg/m2.

Q: Discuss the biological mechanisms associated with foetal and neonatal diseases. Illustrate your…

A: When egg and sperm fertiloze, a zygote is formed and it quickly begins dividing to become an embryo.…

Q: Slow block to polyspermy is linked to the cytosolic accumulation of the ion Select one: sodium O b.…

A: A polyspermy egg is one that has been fertilised by several sperm. Every chromosome in a diploid…

Q: Homeostasis is defined as the O ingestion of enough food to keep hunger pains from developing. O…

A: Biology's definition of homeostasis is the capacity or propensity of a body or cell to seek and…

Q: apply the knowledge of the structure and function of the eye and the ear to understand the sensory…

A: The specialised organs known as sensory organs, which are made up of sensory neurons, enable us to…

Q: Relax during this exam and don't hyperventaliate... Most of the CO2 that you are breathing out is…

A: The correct answer is option b. Citric acid cycle, decarboxylated.  Most of the carbon dioxide that…