What causes platelets to adhere to the wall of a broken vessel?   exposure of collagen fibers histamine secreted by mast cells smooth muscle from the broken vessel wall prostacyclin

Q: What insects are expected to have the most sclerotized heads? Explain.

A: Sclerotization is a biological process in which part of a tissue / whole tissues stiffen and become ...

Q: autoimmune diseases?

A: Autoimmune disease : A disease in which the body's immune system attacks healthy cells.

Q: Give a short description how two-point discrimination test is carried out in the lab.

A: Introduction:- The skin's two-point discrimination test is a simple sensory nerve function test. The...

Q: Stickleback fish that are deep in the ocean can experience a mutation wherein they experience a "los...

A: Introduction: Homozygous refers to a particular gene that has identical alleles on both homologous c...

Q: Determine if the following are considered facts or opinion using the evidences provided. Write FACT ...

A:

Q: please provide at least one pathogen your method of analysis is used to detect.

A: Disrobe  laboratory method Western blot proteins in an aqueous sample are separated by electrophores...

Q: Would it be possible to start synthesizing the daughter DNA strand without assembling the RNA primer...

A: DNA synthesis is a complicated process and it is a semi conservative method. The main enzyme for the...

Q: Which adipokine promotes inflammation and causes insulin resistance?    A. Leptin  B. Adiponectin  ...

A: Adipokines are cytokines that are released from adipose tissue. These have been associated with cont...

Q: The same team of researchers sets up an additional cross with this same population. They cross two f...

A: Dominant allele always express themselves in heterozygous condition. 

Q: Achondroplasia is a hereditary condition caused by a dominant allele in humans (dominant allele A). ...

A: Achondroplasia  Achondroplasia is a form of dwarfism in which ossification does not occur properly. ...

Q: Enumerate clinically relevant parasites that can be visualized using the Kato-Katz method in a clini...

A: The most prevalent method of gastrointestinal infection is the contamination of water, food, and han...

Q: What are the qualities of an appropriate sequence in DNA chromatogram? Why?

A:  Introduction: DNA stands for deoxyribonucleic acid. It's made up of nucleotides, which are biologic...

Q: What difference between RNA and DNA helps to explain the greater stability of DNA? What implications...

A: Deoxyribonucleic acid (DNA) is a molecule composed of two polynucleotide chains that twin around eac...

Q: How has having an opposable thumb helped primates, especially humans, adapt to their environment and...

A: The opposable thumb is an adaptation that helps humans and other primates to carry out the tasks the...

Q: 1. How does a nucleus, cytoplasm, and plasmalemma define a cell? What are their importance?

A: 1.. nucleus is the double membrane bond structure present in the centre of cell. In this nucleolus o...

Q: QUESTION 2 Which of these is a characteristic of adaptive immunity, but not innate immunity? O infla...

A: There is a battle for all living species to survive by conquering the complete harmful organism. The...

Q: Explain the level of greenhouse gases in the atmosphere and its impacts in environments with a neat ...

A: Green house effect It is the phenomena where earth surface get heated. It is a natural process. when...

Q: When did photosynthetic organisms first appeared? O From the very beginning of life, they are some o...

A: Photosynthetic creatures, also called photoautotrophs, are photosynthesis-capable organisms. Higher ...

Q: Describe the smaller and largest living unit of Brain

A: Cerebrum is the  largest part of brain however neurone is the smallest unit of brain 

Q: What is the purpose of examining your specimen slide using low power objective first nefore high pow...

A: Objective lens are magnifying lens that functions to magnify an image. These lens make an important ...

Q: A B • Structure A [ Select] • Structure B [ Select] [ Select ] • Structure C is part of the endoskel...

A: A - is the stomach.( Star fish consists of 2 stomach the cardiac stomach and the pyloric stomach. B-...

Q: Explain in 2-3 sentence about the advantage and disadvantage of using plastic in your everyday life.

A: Plastics are the synthetic polymers of carbon and other elements with high molecular weight . It is ...

Q: Amyloidosis

A: Amyloid refers to the abnormal fibrous, extracellular proteinaceous deposits found in organs and tis...

Q: What is the value of the 2-hour postprandial blood sugar level above which the dose of an oral antid...

A: A post prandial blood sugar of more than 200 mg/dL is considered DIAGNOSTIC of Diabetes Mellitus and...

Q: Heart beat activity

A: Heart normally beats in a regular rhythm.For an adult,the normal heart beat is 60-100 per minute.Hea...

Q: Please choose all that apply for Phylum Echinodermata. water vascular system endoskeleton O eutely O...

A: An echinoderm is any member of the phylum Echinodermata, organisms belonging to the phylum Echinoder...

Q: An Hfr strain of E. coli that is pro thr * leu * lac " was "mated" with an F- strain that is pro thr...

A: Introduction Genetic recombination is a process of exchange of genetic material between two differen...

Q: 1)What is a test-cross? 2)Why might a geneticist need to do a test-cross and how are the results us...

A:

Q: Give short description to explain how motor coordination and balance are regulated.

A: A nervous system is defined as an organized group of cells called neurons that are specialized for t...

Q: 3. The free energy associated with the proton gradient that develops across the inner mitochondrial ...

A:

Q: Why can humans not survive by drinking seawater? Explain using osmosis.

A: Introduction: Osmosis is diffusion of water or solvent through a semi-permeable membrane from the re...

Q: What are the two main types of transport proteins? What are their functions?

A: The act or means by which a molecule or ion is transferred across the cell membrane or through the b...

Q: In a population with high resource value relative to cost (V =2*C), which strategy is considered a p...

A: The populations showing low resource value (V< C) relative to cost (C), the hawks and dove can be...

Q: Briefly describe the series of events that led to the bee kill. Did the pesticide applicators follow...

A: 1st June 21 2013 25000-30000 bumblebees are dead in parking , the preliminary suspects are pesticide...

Q: Select the statements that are true for lactic acid fermentation carricd out in muscle cells. O This...

A: The term fermentation is associated with a metabolic process that can be found in several microorgan...

Q: What is done when there is a delay of stool examination?

A: Q. What is done when there is a delay of stool examination?   Answer - When there is a delay of stoo...

Q: Which of the following is not true about nucleus? Contains the cells DNA Membrane bound organelle in...

A: Nucleus controls and regulates the activities of a cell.   Nucleus carries the genes, carries the ge...

Q: What do you mean by “colony” of microorganisms?

A: The earth ecosystem is full of various organisms. These organisms are prokaryotes or eukaryotes. The...

Q: QUESTION 4 Which of the following is NOTa part of an inflammatory response? O Edema Histamine releas...

A: Inflammation: it is a natural immune response of the body against harmful agents. Inflammatory respo...

Q: What are the roles of ATP and NADPH in photosynthesis?

A: Photosynthesis is a process that plants and other living things use to convert light energy into che...

Q: 5 Statement of the problem about this topic thank you Title: Effects of organic and special fertili...

A:   Bitter gourds require a very hot and humid climate to grow well. Plant bitter gourd seeds grow in ...

Q: Why is it best to examine a freshly collected stool sample in clinical parasitology laboratory?   ...

A:   INTRODUCTION         In the  Medical Parasitology, the specimen collection is an important part th...

Q: micrograph

A: The ovary is an organ found in the female reproductive system  that produces an ovum . Fertilization...

Q: A metabolic pathway_____ . a. may build or break down molecules b. generates heat c. can include red...

A: A metabolic pathway is a set of chemical events seen in biological processes that aid in the convers...

Q: How is mitochondrial DNA transmitted to children?

A: Q. How is mitochondrial DNA transmitted to children? Answer - mitochondrial DNA makes up 1% of Cellu...

Q: Describe and identify on which segment of the legs/limbs would you expect the ambulatorial, fossoria...

A: Insects (from the Latin insectum) are hexapod pancrustaceans belonging to the class Insecta. They ar...

Q: "CRISPR-Cas Is an Adaptive Immune System in Bacteria" Explain this ?

A: Bacteria is one of the common known microscopic organisms. An organism that can not be seen through ...

Q: Fig. 1: Vpr counteracts LAPTM5 to promote HIV-1 infection in macrophages.

A: Vpr is the accessory protein of HIV-1 that reinforce the infection in macrophages and LAPTM5 (lysoso...

Q: How many bones in the human body

A: Bones provide structural support and rigidity to different organs of the body. They form attachment ...

Q: What is the purpose of the Kreb's Bicycle in nitrogen metabolism? Include in your description where ...

A: Introduction: The reactions which help in converting pyruvic acid to carbon dioxide and water in mit...