State three ways in which diseases can spread along with an example.

Q: Is Xiaotingia an earlier or later bird than Archaeopteryx in this tree?

A: Introduction  Taxonomy is the branch of science that deals with classifying animals in hierarchical…

Q: 7. We can estimate the relative mobility of a population of molecules along the surface of a living…

A: 1. SDS-PAGE (Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis): SDS-PAGE is a method used…

Q: Answer the following questions related to the experiment: a. Which bag(s) is/are at equilibrium? b.…

A: The above experiment helps in the study of osmosis and how the rate of osmosis is affected. The bags…

Q: Describe an integrated farming that combines crop, livestock and fishery. In polyculture systems,…

A: Integrated farming offers a viable solution towards improving food security by reducing wastage…

Q: .What is mutarotation? What is the consequence of mutarotation?

A:

Q: What is the expected total time of the coalescent (TC) for a sample of 3 alleles? If there were 5…

A: According to coalescent theory, genealogies are random variables. This is implied by the hypothesis…

Q: 5. Why can excessive changes in the level of carbon dioxide in the blood be harmful to an animal?…

A: Carbon dioxide is a waste product of metabolism that is created intracellularly in the human body.…

Q: Briefly explain how Beta and Gamma radiation can be detected in a medical setting.

A: Gamma rays, beta particles, and alpha particles are the three main categories of ionising radiation…

Q: Before Meiosis Chromosome number (haploid or diploid) Number of pairs of homologous chromosomes…

A: Meiosis is the process of cell division that ovcurs in gametic cells. In this process, Meiosis-I is…

Q: What is phosphorylation?

A: Covalent modification is the addition of functional groups to any substance. It mostly alters the…

Q: you you draw a diagram of the mouses large and small intestine and label

A: The small intestine is the longest part of the GI tract, approximately 33 cm in mice. Similarly, the…

Q: What are some general conclusions from human genomic studies regarding the number of genes present…

A: The Human Genome Project aims to determine the chemical composition of the complete human genetic…

Q: A 72 year old man is brought to the emergency department following a myocardial infarction. He dies…

A: Acute renal damage is a common side effect of cardiogenic shock because the kidney is particularly…

Q: 4. Which of the following antibiotics contains beta-lactam ring? A. Penicillin B. Fluoroquinolones…

A: Bacteria is the unicellular prokaryotic organism that exists in soil, water, plants, animals, the…

Q: a d 5. (four marks) In eukaryotes, replication starts more or less simultaneously at multiple points…

A: The biological process of creating two identical copies of DNA from a single original DNA molecule…

Q: 3. Which of the following is the primary stain used in Acid fast staining? A. Acid B. Carbol fuchsin…

A: Staining is a procedure used to enhance the visualization of microscopic objects to examine them…

Q: Create a concept map,(not a drawing) that connects the digestive, circulatory, and respiratory…

A: The Digestive, circulatory and the respiratory system is interlinked for the functioning of the…

Q: The blood cells and fibrinogen was detected in the urine of 35-year-old woman with kidney disease.…

A: Urinary system, also called renal system, is responsible to produce, store and eliminate urine from…

Q: Describe the structure of the Bacterial DNA and provide a model and labels

A: The eukaryotes DNA are situated in the nucleus of cells that is encircled by an nuclear layer. The…

Q: ExplaintheadditionalhealthriskstoapatientundergoingaCT scan as compared to an ordinary X-ray…

A: Radiation is sent through the body during an X-ray, commonly known as a radiograph. High-calcium…

Q: Distinguish between the effects that radiation can have on a general body cells (somatic) and cells…

A: Somatic cell damage and germ cell (or presumed germ cell) damage are the two categories of radiation…

Q: the cell most likely differentiated on microscopic examination? (A) Adenocarcinoma (B) Hamaritoma…

A: Cancer cells are formed by the uncontrolled division of the cells.  Unregulated cell division in…

Q: Saccharomyces cerevisiae is used for two common processes, baking and brewing.  What is the role of…

A: Yeasts are single-celled creatures that are part of the kingdom Fungi. To carry out its activity,…

Q: List two similarities and two differences between the structures/features of amoeba and euglena

A: Amoeba and Euglena both belong to the Phylum protozoa. There are about 65000 species of protozoans…

Q: Figure 5 shows the effects of ingestion of a standardized liquid meal (indicated by bold arrow) on…

A: Small intestinal cells in the upper part secrete cholecystokinin. When hydrochloric acid, amino…

Q: In 2-page worth of words (around 500), discuss CYCLAMATE's regulation, allowable levels, and what…

A: Cyclamate is a synthetic artificial sweetner that is 30 to 50 times sweeter than sugar .It is least…

Q: Briefly explain how particulate and high energy radiation can be harmful to humans. In part 1 you…

A: Depending on the energy of the emitted particle, radiation can be classified as non-ionizing or…

Q: 13. Which of the following are secondary messengers? A) Ca2+, GTP, CAMP B) hormones C) growth…

A: When a cell is exposed to extracellular signalling molecules (first messengers), intracellular…

Q: that many cells have polarity (as ionality, in this case). Consider the apical location a particular…

A: Plasma membrane is made up of proteins and lipids arranged in a fluid mosaic model. As far as some…

Q: What do you mean by greenhouse effect? Name the factors responsible for this effect and also suggest…

A: UV rays are most harmful rays which affect the living beings by alternating their DNA and proteins…

Q: Why are the eagles essential for having a diverse ecosystem? 5-10 sentences

A: Ecosystem is a community or a group of living organism that live in and interact with each other in…

Q: 15. In order to function, all extracellular signal molecules must be transported by their receptor…

A: Through cell surface receptors that regulate intracellular signalling proteins, an extracellular…

Q: 4. A bacterium is suddenly expelled from a warm human intestine into the cold world outside (hey,…

A: The characteristic of the cell membrane known as cell membrane fluidity enables it to change its…

Q: 1. Teresa is a 4-month old girl who suffers from acute heart failure. She urgently needs a cadaver…

A: When a child's heart is unhealthy and they won't survive without a new one, transplants are…

Q: 30 year old man comes to the emergency department because of generalized weakness, loss of appetite,…

A: Chelating agent produces a type of bonding of ions and molecules to metal ions. It usually forms…

Q: Choose the option that is best described by each of the following statements 1 1. Attacks the…

A: Enzymes are the biocatalyst which increases the rate of chemical reaction,without itself being used…

Q: Herpes simplex virus and cytomegalovirus are both in the herpes virus family, but of the two, only…

A: A drug is a chemical substance given to an individual to prevent or cure a disease. Many microbial…

Q: Please help me answer these. A) What workplace modifications are needed for people with PCOS. (An…

A: PCOS stands for poly cystic ovarian syndrome, that describes the several fluid filled small cysts…

Q: A botanist has been examining three plants, measuring the amount of acid in their cells and…

A: Photosynthesis is the major process in which plants make their own food. There is a range of factors…

Q: 9. Recall that many cells have polarity (as in directionality, in this case). Consider the apical…

A: Cell membrane is basic structural and functional unit of cell which covers the cell. This help in…

Q: An increasing estrogens amount was found in the blood of a woman. What ovary cells take place at…

A: On a typical cycle of 28 days, ovulation happens around day 14. The follicle's hormonally active…

Q: n individual who has been diagnosed with schizophrenia may also have a mutation in the _____.   a.…

A: Schizophrenia is a mental disorder that affects how people think, feel, and behave. It often leads…

Q: 3. Antibodies are valuable tools for immunological detection. Two types of antibodies are commonly…

A: Antibodies are "immune system proteins that identify and attach to certain substances known as…

Q: What characteristics of a binding site determine its chemical specificity?

A: Biomolecules are the chemicals present in living cells. These are proteins, carbohydrates and many…

Q: 2. A 23-year-old Caucasian female presented to the emergency department (ER)with profuse watery…

A: A species of gram-negative, facultative anaerobe, and comma-shaped bacteria is called Vibrio…

Q: Explain what lung transplantation and artificial lung is, then say which is better lung…

A: Lungs are the main respiratory organs that help in the exchange of gases such as it helps to take in…

Q: Balance the following net reaction that occurs during oxidative phosphorylation. Use the smallest…

A: The production of ATP from ADP and Pi is driven by energy generated from the oxidation of reducing…

Q: The cells of neuroglia are formed from two sources: ectoderm and mesenchyme. What cells have the…

A: Introduction  through the various diffrenciation of cells such as neural plates , neural groove and…

Q: The results of the preliminary analyses of self-reported data on arrests and criminal behaviour from…

A: The twins can be of two types: identical twins and fraternal twins. Identical twins are also known…

Q: 30. Mitotic chromosomes are A) 103 B) 104 105 D) 108 times more compact than a DNA molecule in its…

A: Mitotic chromosomes -  The chromosomes into which genome is packaged to ensure its accurate…

Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.