In the adaptive immune response which antigen are mount cellular responses? T helper lymphocytes T cytotoxic lymphocytes Macrophages Dendritic cells

Q: a. Suppose there are two genes - A and B - that specify production of the same enzyme. These two…

A: In an autosomal recessive disorder, one mutated gene is inherited from each parent. The parents each…

Q: Which of the following statement does NOT conform why cardiovascular diseases (CVD) are considered…

A: The term cardiovascular disease refers to any ailment that affects the heart or blood vessels. It's…

Q: 1. oxidability 2. residual chlorine 3. ammonia 1. nitrites, nitrates 5. chlorides 5. sulphates

A: Chlorination is the process of adding chlorine to drinking water to kill parasites, bacteria, and…

Q: Draw a simple diagram illustrating alternation of generations in plants, including the sporophyte…

A: The alternation of a sexual phase (n) and an asexual phase (2n) in the life cycle of an organism.…

Q: Based on the data below, which of the following statements best describes an effect of population…

A: Population density is defined as the number of individuals found in a particular area.

Q: In phloem, organic compounds flow through ______ .a. collenchyma cells c. vesselsb. sieve elements…

A: Organic compounds are the compounds that are a build-up of carbon and hydrogen. In plants, phloem…

Q: Which of the following would be an adequate stimulus for a chemoreceptor?     oxygen     photon…

A: The chemoreceptors are nerve cells or receptors that sense changes in the substance composition of…

Q: With the aid of a diagram describe how the human body responds to exposure to the flu virus.

A: Lymphocytes, a type of white blood cell found largely in 'lymphoid tissues' such as the lymph nodes…

Q: Describe cerebrospinal fluid flow from secretion to absorption

A: Introduction :- The tissue that lines the ventricles (empty spaces) in the brain produces…

Q: b) In eukaryotes, the newly synthesized mRNA undergoes modifications before it is transported across…

A: In eukaryotic cells, transcription is a process in which genetic information in the DNA is converted…

Q: Describe the synthesis of the leading strand during DNA replication. Assume the replication bubble…

A:

Q: 1. Illustrate a brine floatation method. 2. What are the disadvantages and advantages in using a…

A: In the flotation method the attachment of bubbles to particles transfers the solids from the body of…

Q: THE MAIN INDICATOR OF ERIDEMIOLOGICAL RELIABILITY IN WATER DISINFECTION IN WATER SUPPLY STATION (AT…

A: Introduction To kill bacteria in drinking water and swimming pools, chlorine and chlorine-based…

Q: In order of progression, state the steps that would lead to the development of natural active…

A: Principle of Active Immunity: Humoral immunity is the mechanism by which your body develops…

Q: fluid regulation process in animals.

A:

Q: Although this group has the least number of identified and classified species, its diversity is…

A: Animals are diverse and are classified based on their shape, size, morphology, eating habits, and…

Q: If a piece of the template strand of DNA has the sequence 5’- ACG.ACC.GCC.GGT -3’ and it is…

A: Codon is a group of three bases in mRNA. Each codon specifies an amino acid.

Q: How do the effects of the virus on the immune system cause the death of the person infected with…

A: A human immunodeficiency virus (HIV) infection may be caused by one of two retroviruses, HIV-1 or…

Q: Question 20 The natural increase in appetite that is commonly experienced by individuals who are…

A: Ghrelin is a hormone. Its primary role is to regulate appetite and also facilitates the function of…

Q: What physical activity that can change the glucose concentration and how to restore and maintain to…

A: Introduction Diabetes is a long-term disease which affects the way your body converts food into…

Q: THE MOST PRONOUNCED BACTERICIDAL ACTION IS UV RAYS WITH A WAVELENGTH OF 1. 254 - 257 2. 280 - 320 3.…

A: Ultraviolet radiation includes light rays from 1500- 3900Ao , of which 2600Ao  has the highest…

Q: Of tuna and dolphin, which are more common recipients of moral extensionism? Whyis this so?

A: Moral extensionism is the belief that moral considerations should be extended to nonhuman animals.…

Q: Examine the variegated leaf shown in Figure Q14–3.Yellow patches surrounded by green are common,…

A: Chloroplast and mitochondrial DNA are usually define the that they are been  maternally inherited in…

Q: Using a T chart illustrate the differences between type I diabetes and type II diabetes.

A: Introduction Diabetes is a group of disorders that impact your body's ability to use blood sugar…

Q: The shape of a DNA molecule is most like O A) the letter X. O B) a diamond ring. C) a set of…

A: The traits that an individual exhibit is the result of the genetic material that they inherited from…

Q: FILTERING IS FILTERING 1. physical method of disinfection 2. the physical method of water…

A: Q. FILTERING IS FILTERING   1. physical method of disinfection 2. the physical method of water…

Q: We run the HinDIII-digest of lambda-DNA as the standard ladder on the gel. Number the largest…

A: Restriction enzyme or restriction endonucleases are the enzymes that cleaves DNA at specific sites…

Q: Discuss the following statement: “primase is a sloppy enzyme that makes many mistakes. eventually,…

A: Enzymes are biocatalysts that aid in the speeding up of reactions. They are proteins that help to…

Q: What blood vessel that carries oxygen poor/deoxygenated blood from the  heart to the lungs?…

A: INTRODUCTION Deoxygenated blood : Blood with low oxygen saturation.

Q: Urinalysis Lab If you find 20 colonies on a urine plate, you used a 5uL loop, what will be the…

A: In processing urine samples for culture, instead of making dilutions in the traditional way, the…

Q: Which cells of the kidney are mechsnoreceptors that sense the blood pressure in the afferent…

A: Mechanoreceptors are a type of sensory or somatosensory receptors which converts extracellular…

Q: In a well-publicized paternity case, the following facts were determined: the mother, a beautiful,…

A: Child is type O and mother is type A than father should be :-

Q: Name and describe three types of modification that the mRNA undergoes in eukaryotes before the MRNA…

A:

Q: Question attached

A: The photons are referred to as the elementary particles that have the role of serving as a quantum…

Q: differentiate a nodule from a root gall? (

A:

Q: acillus cereus bacteria, in staining reaction tests, such as A.simple staining B.gram staining C.…

A: Answer

Q: Red blood cells shrivel when placed in a 10% sucrose solution. When first placed in the solution,…

A: Introduction :- Red blood cells' primary function is to transport oxygen from the lungs to the…

Q: .The.. . technique of Ziehl- Neelsen known as Kinyoun Method .A cold .B fast .c hot .D .The carbol…

A: Bacteria are ubiquitous , microscopic , prokaryotic organisms which neither possess nucleus nor…

Q: If a diploid cell contains six chromosomes (i.e., three per set), how many possible random…

A: Meiosis is a reductional division which is responsible for producing four haploid daughter cells…

Q: The nutrition of some plants is enhanced by a mutually beneficial interaction between a root and…

A: Soil is the tiny part of lithosphere, which contains a mixture of minerals, organic matter, water,…

Q: Are the Lycaon picture more closely related to the wolf or dog?

A: We are only allowed to do one question. Please repost the undone question again.  Thank you for…

Q: In Drosophila, the following genes and mutations are known: Wingsize – recessive allele for tiny…

A: Alleles are the alternative form of gene that are located on the same locus of homologous chromosome…

Q: Assume that we want to minimize a function using evolutionary algorithm. For our coding process, we…

A: Let us assume number of slots in roulette is 38  Where C1 occur 5 times  Therefore getting C1 =…

Q: Why are okazaki fragments necessary on the lagging strand?

A: In a long DNA molecule, since the the two strands of DNA cannot be separated in its entire length…

Q: How this Bacillus cereus can be find? what kind of testing require ? Is it through plate or brooth…

A: Bacillus cereus is a Gram-positive, rod-shaped, facultatively anaerobic, flagellated,…

Q: All of the following may be important keystone species due to their roles as pollinators EXCEPT:…

A: Keystone species are any species whose removal or reduction from an ecosystem adversely affects the…

Q: HIGH BACTERIAL AIR POLLUTION IS OBSERVED IN THE PREMISES 1. premises for pharmacy visitors 2.…

A: Air pollution is the contamination of the indoor or outdoor environment by any chemical, physical or…

Q: .Capsule does not take any stain

A: The questions are analysed and the options are correctly found and noted.

Q: TOPIC: Bioactive Compounds in Promoting Health Kindly please, Discuss the different factors…

A: Answer

Q: insulin Diabetes mellitus is a hormonal disease that causes the cells of the body to not take up…

A: Diabetes is a long-term illness affecting the way your body converts food into energy. The majority…

Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.