What is the name of the mechanism that ensures that there is a higher concen- tration of sodium ions in the extracellular fluid than in the intracellular fluid? A. Facilitated diffusion B. The sodium-potassium pump C. Secondary active transport D. Osmosis
Q: 7. In molecular imaging research gene expressions in vivo can be visualized by means of the marker…
A: Introduction - Gene expression is the process through which information from a gene is used to…
Q: Based on your knowledge of oxidative phosphorylation, answer the following questions: a) Suppose you…
A: The mechanism through which ATP generation is linked to electron transportation along the…
Q: chymotrypsin
A: Chymotrpsin: It is a digestive enzyme which breaks down polypeptides. It consists of a catalytic…
Q: A 14 year old vegetarian experience swelling of feet and face as well as diarrhea and general…
A: Fasciola hepatica, often known as the ordinary liver fluke or sheep liver fluke, is a parasitic…
Q: You genetically engineer a cell line so that the S-Cyclin gene promoter is replaced with the…
A: The alterations of S phase and chromosome Segragtion that is mitosis is important in eukaryotic…
Q: What are the major similarities and differences between lophophorates and entoprocts? Is being…
A: Lophophorates are a clade that consists of brachiopod and bryozoa. They are named so as they possess…
Q: Although several different mammalian species have been cloned, the efficiency of this process is…
A: DNA methylation is a process in which a methyl group attaches to the promoter site severely…
Q: Order the following structures of the kidney in the sequence in which fluid passes through them on…
A: The kidneys are two reddish bean-shaped organs on either side of the spine, lying below the rib…
Q: The anatomy of Pinus needle reflects the features of a- (A) Mesophyte (B) Xerophyte (C) Hydrophyte…
A: Introduction - Pine needles spiral around the stem in a spiral pattern. Each year, as a pine tree…
Q: What is the function of the trigger zone?
A: In neurobiology, the chemoreceptor trigger zone is a circumventricular organ (CVO). It serves as a…
Q: /hich factor can affect the distribution of a toxicant in the body? A Blood flow to the tissue B…
A: 23.Heavy metals can build up in the liver, brain, kidneys, and heart once they've entered the body.…
Q: 3. Derive the expression of the electron's charge to mass ratio: e 125R?V 32µ¿N²I?r2 me
A: ANSWER;-
Q: Dynamin-mediated membrane fission at the plasma membrane is topologically equivalent to vesicle…
A: Answer :- Option (C) is correct. -homotypic vesicle fusion.
Q: 1. What are the different lenses on the microscope? 2. What lens should be down (closet to the…
A: Introduction Microscope: It is a laboratory optical instrument that is used to examine an object…
Q: 1. Of all the latest innovations mentioned, why direct-to-consumer genetic testing is the most…
A: "Genetics" is the study of the functioning and main codes of variation and heredity. Inheritance is…
Q: Please answer asap and in short Outline and summarise each of the four stages of qualification in…
A: Although a scale-down bioreactor can have multiple applications, our focus here is on appropriate…
Q: Which of the following is a result of agriculture? Sedentarism Nomadism Egalitarianism Foraging
A: To determine: To determine the result of agriculture from the given options
Q: How does the evolution of endodermis, lignified cell walls, sclerenchyma, vascular tissues, true…
A: Vascular plants are those plants it causes vascular tissues for the transfer of substances. Vascular…
Q: Compare and contrast four theories of why aging occurs.
A: Ageing is the process happens in every individual at the time, when structural and functional…
Q: Explain the reason why the roots lack the protective covering like the plant surface which has a…
A: Roots are the parts of vascular plants that are normally found below ground. During seed…
Q: How was the first natural antibiotic discovered? (To answer this question, identify the antibiotic,…
A: Antibiotics are antimicrobial substances that are active against microorganisms. It is the most…
Q: Positive result Negative result Comments/ additional info Indicators, key regents, or key…
A: Whenever we encounter an unknown sample of microbes or we want to identify a specific microbe we can…
Q: MAXIMAL HUMIDITY 1. the amount of water vapor in grams per cubic meter of air at a given temperature…
A: The measurement of water vapour (moisture) in the air, irrespective of temperature, is known as…
Q: 6. Draw changes in potential in the wet bone during cyclic compression. 7. Can the flow potential be…
A: There are few important points that should be kept in mind : As we know that bone tissue consist of…
Q: 3. Specifically, a molecule of the neurotransmitter receptor. But, the magnesium (Mg+) ion is…
A: Specifically, a molecule of the neurotransmitter Glutamate binds to an NMDA receptor. But, the…
Q: Genes are made by- (A) Histones (B) Lipoproteins (C) Hydrocarbons (D) Polynucleotides
A: The DNA or deoxyribonucleic acid is the genetic element in living organisms that determine the…
Q: missense mutation will influence the tertiary or quaternary structure of the protein (FGFR3). How…
A: Missense mutation A missense mutation specifically defines the kind of point mutation in which the…
Q: The primers used in PCR are double stranded DNA oligosaccharides. True False
A: The answer is False. Primers are small, chemically synthesised oligonucleotides that are…
Q: uestion 23 Which of the following statements most accurately describes the transport of zebra mus-…
A: Introduction - Zebra mussels have a striped, D-shaped shell made up of two hinged valves connected…
Q: Nature Picture Library Aristolochia old stem, x.s.
A: Monocots plants are that contain single cotyledons in the seed while the dicot has two cotyledons in…
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: 1. Briefly discuss the folowing; (a) sources of microorganisms in low-heat-processed meat products;…
A: The non-vegetarian food is highly nutritious in nature and has a very high amount of protein…
Q: What is the importance of describing the morphological characteristics of bacterial colonies when…
A: The characteristics of colony that is formed by the bacteria are - colour, opacity, shape,…
Q: What is the problem in the article "Stopping pandemics before they start: Lessons learned from…
A: Introduction Pandemics:- It is the worldwide spread of a new disease, it is an outbreak of disease…
Q: The higher the grade of ore, the higher the environmental impact. True or false
A: High grade ores Vs Low grade ores High grade ores contain relatively large amount of particular…
Q: extinction
A:
Q: Discuss ideas about race with regards to athletics, IQ, and medicine. Why are outdated ideas about…
A: As anthropologist Janet Shim points out, race has become so ingrained in medical practice that it…
Q: What is DNA replication? 2. What are the principles of DNA replication?
A: DNA replication DNA , deoxyribonucleic acid , is made up of three components , a deoxyribose sugar ,…
Q: Discuss the stages or process of DNA and Cell replication. 2. What is DNA repair and discuss
A: DNA is a double stranded molecule which are linked together by hydrogen bonds. DNA replication means…
Q: What is the article "Stopping pandemics before they start: Lessons learned from SARS-CoV-2" about?
A: Introduction SARS-CoV-2 is a member of a large family of viruses called coronaviruses, This virus…
Q: How does the presence of gill slits in all vertebrate embryos support the theory of descent from a…
A: Gill slits are any of the openings or clefts between the gill arches in aquatic vertebrates that…
Q: What is endocrine regulations? What does growth hormone do in adults? What is male reproductive…
A: Endocrine gland is a gland which liberate their secretion that do not crosses through special ducts…
Q: The outcome of Phase II metabolism may be A more toxic metabolite that is further metabolized, then…
A: ANSWER;-A less toxic metabolite that is excreted Explain;- Phase II reactions include conjugation by…
Q: How is cystic fibrosis inherited
A: Cystic fibrosis is a disease that affects the lungs and organs of the digestive tract due to…
Q: speual Featiore Stucture Vagina Vulva Major & minor labia Vestibular glands Clitoris
A: Introduction The generation of offspring is referred to as reproduction. There are two types of…
Q: What are three (3) of the most serious negative consequences of massive tropical deforestation?
A: The most serious negative consequences of tropical deforestation is as given below:-
Q: Why do cells need to be kept in the freezing devices first then transferred to liquid nitrogen…
A: Rapid freezing of cells can cause ice crystals large crystals can be formed in which cells are…
Q: How many copies of each type of core histone would it take to wrap the entire human genome into…
A: Introduction -The haploid human genome is made up of roughly 3 billion base pairs of DNA organised…
Q: What does research suggest about regular physical activity's effect on the life span? A. Consuming…
A: Introduction Life expectancy is a statistical measure of how long an organism should live depending…
Q: Why do people age? What makes us go through so many physical changes?
A: Introduction The physiological changes we go through as we age are referred to as ageing. It is…
Step by step
Solved in 2 steps
- In considering the diffusion of ions through an ion channel, which driving force/forces must be considered?a. the ion concentration gradientb. the electrical gradientc. osmosisd. facilitated diffusione. both a and bWhich is a passive transport process? a. Receptor-mediated endocytosis b. Ion pump c. Pinocytosis d. Phagocytosis e. OsmosisThe diffusion of water across a selectively permeable membrane is called? A. Active transport B. Facilitated diffusion C. Osmosis D. Cell membrane
- Which statement is NOT true of membrane transport • proteins? A. Their specificity depends on their three-dimensional structure. B. They are responsible in some cases for facilitated diffusion. C. They are responsible in some cases for active transport. D. They produce a chemical change in the molecules they are transporting.compare and contrast osmosis and diffusionWhich type(s) of vesicular transport is for nonspecific engulfment of fluid and materials from outside of the cell? a receptor-mediated endocytosis b exocytosis c pinocytosis d phagocytosis and pinocytosis
- Choose the answer that best completes the following analogy: Diffusion is to _____ as endocytosis is to ______. A. filtration; phagocytosis B. osmosis; pinocytosis C. solutes; fluid D. gradient; chemical energyExplain the major difference between diffusion and osmosis. Include in your answer which type of the molecule is moving for each process, in which direction the molecules in question are moving (low to high or high to low concentrations).The image illustrates passive and active transport across the cell membrane. (Use the diagram to answer questions A-C) A. 1. Which section shows active transport?2. Explain why or how can you tell?3. Does the cell expend energy in this transport?4. Why or why not? B. 1. Which section shows diffusion?2. What type of solute molecules may be moved by this type of transport? C. Which of these sections are considered passive transport? Explain.
- Which statement correctly describes a difference between simple diffusion and facilitated diffusion? A. Facilitated diffusion uses a protein; while simple diffusion does not B. simple diffusion is used to transport small molecules and facilitated diffusion is not C. simple diffusion moves molecules against a concentration gradient and facilitated diffusion moves molecules along a gradient D. Facilitated diffusion uses energy and simple diffusion does notThe image illustrates passive and active transport across the cell membrane. (Use the diagram to answer questions A-D) A. 1. Which section represents facilitated diffusion?2. Explain why or how can you tell?3. Does the cell expend energy in this transport?4. Why or why not?5. What type of solute molecules may be moved by this type of transport? B. 1. Which section shows active transport?2. Explain why or how can you tell?3. Does the cell expend energy in this transport?4. Why or why not? C. 1. Which section shows diffusion?2. What type of solute molecules may be moved by this type of transport? D. Which of these sections are considered passive transport? Explain.Which answer is correct (a or b) for the question about why your hands and feet get wrinkled after staying in the bath for too long. a) the water and dissolved particles are drawn out of your skin by diffusion into the large body of water around you. b) the water is actually drawn into your skin by osmosis. explain why (a or b) is correct.