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Q: Granzyme and perforin are used by what cell type in the immune system to carry out its function? O 1...

A: Immune system of the body contains several types of cells that are involved in cellular function tha...

Q: Restriction endonuclease and ligase are two types of enzymes used in the process of genetic engineer...

A: DNA stands for deoxyribonucleic acid. It is the genetic material of the organisms that transfer from...

Q: Cellular pH is kept near a value of seven, due to the action of. O 1. salts O 2. buffers 3. acids 4....

A: The power of hydrogen is represented as pH. It is found to be a measure of the concentration of hydr...

Q: Question 1 How does substrate utilization change during exposure to extreme cold? O A. carbohydrate ...

A: During extreme cold condition, energy expenditure and body temperature raise due to shivering. Most ...

Q: What evidence indicated that new neurons seldom or never form in the human cerebral cortex and olfac...

A: The network of the nervous system consists of the brain, spinal cord, and nerves. The nervous system...

Q: How does temperature affect our bodily components, what do you think?

A: Thermoregulation is a process by which the temperature is controlled. By this regulation, the body m...

Q: What is "ecdysis"? O The outermost covering of an ovum that undergoes external fertilization. O A fo...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Use the following information to answer the next question. A monohybrid cross of two pure forms of r...

A: The genetic mechanism of gene expression depends on the expression of genes. Often one allele domina...

Q: Explain how a vaccine works with an individual’s immune system to protect them from disease, and des...

A: Vaccine is a biological agent administered to prevent diseases or infection in advance. Vaccines are...

Q: Identify the part of a Pea and lettuce plants where most photosynthesis takes place

A: Photosynthesis takes place mainly in the leaves as the leaves have chloroplast.the chloroplast are a...

Q: This is a potato cell, the dark circles within are vesicles filled with starch. If the field of view...

A: The dark circle of the potato cell and these vesicles of filled starch. if the view is 60 um then th...

Q: What type of protein is often used to carry other molecules? O A. Fibrous O B. Amino O C. Membrane O...

A: Proteins are secondary structures of amino acid sequences. The amino acids undergo condensation to f...

Q: Help

A: The heart is the pumping organ. Whereas kidney is an excretory organ. 

Q: Margination is the: O 1) migration of white blood cells from the blood out to the tissues 2) product...

A: Margination - It is the process of movement of white blood cells towards the walls of blood vessels ...

Q: QUESTION 52 What process takes the single-celled zygote and turns it into a multicellular embryo? Ga...

A: As per the guidelines we are supposed to answer only the first question in case of multiple question...

Q: IgE binds to which of these cell types to trigger allergic responses? O 1) B cell O 2) neutrophil 3)...

A: Humoral immunity gets activated in response to the antigens that cause allergy. Humoral immunity is ...

Q: The pK1, pK2, and pKR of the amino acid lysine are 2.2, 9.1, and 10.5, respectively. The pK1, pK2, a...

A: Proteins can be successfully separated using various methods and are based on the charges of the ami...

Q: options are 20 µm 60 µm 600 µm 240 µm

A: The average or approximate size of human cells are 100 micrometers or 0.1 millimeters. 

Q: In 2011, the city of Calgary had 1,096,833 people living within the city limits. Since then, there h...

A: Natural sources of population change are births and deaths. The gap between birth and death is terme...

Q: Eosinophils play which role in the immune system? O 1) Act as APCS 2) Attack virally infected cells ...

A: Eosinophills are a type of white blood cells. These make up 0.0 to 6.0 percent of the blood. Normal ...

Q: Why is it advantageous to become motion blind during voluntary eye movements? That is, why might we ...

A: Primates are tracking objects of interest with two kinds of voluntary eye movements (pursuit and sac...

Q: Make a concept map using all of the following terms: GlycolysisOxidation of PyruvateCitric Acid Cycl...

A: Carbohydrates are broken down to form glucose. Glucose is used to generate energy via glycolysis, ci...

Q: Describe the importance of cell-material interactions by providing the series of events upon their c...

A: The bio-materials interacting with the cells are of significant importance for carrying out various ...

Q: This term describes an antigen that is too small to be immunogenic, however it binds to proteins in ...

A:  

Q: Assuming that the human body has 4 X 10" cells and that ATP is being used at a rate of 10° ATP per m...

A: ATP (adenosine triphosphate) is the biomolecule that is considered the energy currency of the cells....

Q: he first gene to be mapped to a specific chromosome was the gene coding for white eye colour in Dros...

A: Genes are made up of short stretches of DNA that code for a functional protein. Genes are inherited ...

Q: A dihybrid cross is one in which two traits wi pairs of genes are studied at once. For exampl cross ...

A: Mendel performed di-hybrid cross to study whether two alleles have any relation and how they pass on...

Q: State True or False with explanation

A: Biomolecules are the biological molecules that are present inside the living organisms. These molecu...

Q: The circulating cytokines that recruit large numbers of phagocytes to the area of inflammation, resu...

A: Phagocytes are cells that are capable of engulfing foreign antigens such as microbes, toxins, and de...

Q: This type of graft is from an animal source. 1) allograft 2) autograft 3) isograft 4) xenograft

A: Grafting is the process of surgical removal and attachment of a live tissue from one part to another...

Q: Which of the following types of mimicry does the ash borer show? Batesian mimicry Müllerian mimicry ...

A: Batesian mimicry It is form of protective mimicry in which a species that is edible or harmless clo...

Q: If ten spore mother cells undergo meiosis and each cell has 20 chromosomes in it, how many spores wi...

A: Cell division is a process by which one cell divides. It is of 2 types, Mitosis and Meiosis. Mitosis...

Q: Entamoeba histolytica moved by OFlagella OPseudopodia Absent

A: Parasite is defined as a type of organism that lives on the host organism and obtains their food of ...

Q: How many cells are required to produce 1000 cells in a complete mitotic and meiotic division? 250 mi...

A: Mitotic division It is a process where a single cell divides into two identical daughter cells.  Mei...

Q: Use the following information to answer the next question. A student studied two areas in which succ...

A:  

Q: Use the following information to answer the next question. Penicillin kills bacteria by obstructing ...

A: Antibiotic sensitivity or antibiotic susceptibility refers to the inability of bacteria to grow if t...

Q: The classical sign calor, associated with inflammation, is the result of what physiological event fr...

A: Inflammation is basically the reaction of the immune system against any foreign antigens. The white ...

Q: Which of the following mechanisms of change in gene frequencies is responsible for the antibiotic re...

A: Antibiotic resistance in bacteria can be natural or acquired and natural resistance can be intrinsic...

Q: Would drugs designed to disrupt cell division affect both mitosis and meiosis? Explain your answer.

A: Cellular division is the process of one cell splitting into many. This process is present in all of ...

Q: When you compare the standards on bacteria, recreational use of water has a higher standards than th...

A: A pathogen is an organism that is capable of causing the disease to its specific host, with the vari...

Q: Convert the following data table into a venn diagram and then into a cladogram (refer to the image):

A: Taxonomy refers to the system of naming and classifying organisms. Systematics refers to the study o...

Q: Lists of the Role of Science and Technology in the Global Pandemic (COVID-19)

A: COVID 19 is a disease caused by SARs COV 2. This virus is called coronavirus as it has spike protein...

Q: This type of vaccine contains intact microbes, but the microbes are unable to replicate within the b...

A: The correct option is (a) Live vaccine, however (c) is also correct as live vaccines and attenuated ...

Q: Also Please explain each shapes represent what, thanks

A: The mortality rate or the death is the measure of the number of death and the natality rate is the t...

Q: is the relationship that both the microorganism and the host benefit. Saprophytes Mutualism Parasiti...

A: It is obvious that in nature animals plants and microbes do not and cannot live in isolation but int...

Q: 1.1kbp 1.5 kbp Hindll Hindll 0.15 kbp amp 0.25 kbp If you were to digest this plasmid with HindllI, ...

A: Plasmids are a small, extrachromosomal segment of DNA(deoxyribonucleic acid) and are mostly found in...

Q: What is an example of a saturated fat? O 1. olive oil O 2. corn oil O 3. butter O 4. canola oil

A: 3.Butter

Q: Scientific evidence indicates that the CO2 added to the air by the burning of wood and fossil fuels ...

A: Tropical rain forests  Rain forests are called "cradles of diversity". They spawn and support 50% o...

Q: What is Sexually Transmitted Infections?

A: Sexually transmitted disease(STI) STI's are infections that are spread from person to person throug...