Explain the two main features that characterize the third line of host defense mechanisms.

Q: Describe briefly the four major groups of Protozoa.

A: Introduction :- Single-celled organisms are known as protozoa. They range in size and shape from an ...

Q: Whate are the components of the renal tubule?

A: They excretory organ of the human is called as kidney. These are  two reddish-brown bean-shaped orga...

Q: The thermodynamic properties governing the surface tension between water molecules and the grains of...

A: Solution :: Developmental biology is about the study of embryo to adult formation from step to step ...

Q: other important work

A: Culture media is of fundamental importance for most microbiological tests-                          ...

Q: a) Draw the basic structure of a nucleotide that is found only in RNA. Use 'P' for the phosphate (or...

A: A nucleotide molecule consist of the 5 carbon sugar molecule to which nitrogen base is attached at t...

Q: Match the items given in column A and B: Column A Column B (a) Catalytic converter (i) Particulate m...

A: Pollution caused by various human activities is a major concern. Pollution has adverse effects on he...

Q: Two parents who do not have color blindness have a daughter who has only one X chromosome and is col...

A: The event of nondisjunction occurs when the chromosomes fail to separate during the process of meios...

Q: Which of the following correctly describes a possible scenario during a run of gel electrophoresis w...

A: Agarose Gel electrophoresis(AGE) is a method used in molecular biology to separate mixed RNA, DNA, o...

Q: If a sample of double-stranded DNA gave the following results, what is the concentration (ng/uL) of ...

A: Quantitative polymerase chain reaction (qPCR) assays used in pathogen detection necessitate the deve...

Q: Label the following diagrams. (a) Spirogyra (Vegetative stage) 會 (b) (c) (d) (b-d) Spirogyra (Sexual...

A: Answer  Spirogyra diagram labelling 

Q: . Give an example of a phenotype and a gene or genes associated with it.

A: Given: Genetics is the branch of biology that deals with the study of heredity and variation. Father...

Q: Regarding eukaryotic genes, it is correct to state that: * A) Distal enhancer-like elements decrease...

A: Though the multicellular organism is originated from a single cell but different cell and different ...

Q: 2. Describe the phenotype of individuals whe inherit two copies of the Hbs allele whq Sickle-Cell Di...

A: * sickle cell Anemia a is blood disorder due to mutation will leads to change in shape of cells into...

Q: What is the best streaking technique in a culture media? Explain

A: In microbiology, there are five I's that symbolise five different procedures used in the laboratory ...

Q: As consumers you and I essential roles in diminishing the food industry’s injustices. Child slavery ...

A: The Coffee industry uses most child labour. 

Q: What are the general characteristics of animals in each era: Cenozoic, Mesozoic, and Paleozoic?

A: Definition with example of blood groups Parents pass on traits or characteristics, such as eye colou...

Q: ervation of Nature and Natural Resources (IUCN), has declared 418 animal species in the Philippines ...

A: All the different kinds of life  form found in  one area constitutes the biodiversity. Our world is ...

Q: 00 000 Epithelium-Mesenchyme transitions (MET or EMT) are crucial morphogenetic events occurring dur...

A:   1) formation of mesoderm from the primitive ectoderm via gastrulation.   2) formation of nephron e...

Q: 9.The combining form metr/o means: A. measure B. multiple C. uterus D. ovary 10. The suffix -salpinx...

A: Medical terminology is composed of prefix, root word and suffix. Prefix is used at the beginning of ...

Q: Distinguish between exergonic and endergonic reactions, and give examples of how they may be coupled...

A: Exergonic and endergonic chemical reactions enable organisms to carry out their functions, such as g...

Q: the image is the steps for help. Not writing assignment!!!! What is the intended outcome of the lys...

A: Lysozyme based ion exchange chromatography= Lysozyme is a enzyme which is formed in body naturally a...

Q: Where are the chemoreceptors that detect the acidity of the blood and trigger the respiratory compen...

A: The chemoreceptors participate in the ventilation control. They work as collecting information struc...

Q: 5) Cystic fibrosis is caused by a gene on chromosome 7 and results in the build-up of mucus in the l...

A: Cystic fibrosis or (CF)- it is an inherited disorder that leads to severe damage to digestive system...

Q: Does glucose become oxidized or reduced in aerobic respiration?

A: Glycolysis is the process that converts one mole of glucose into pyruvate.  The pyruvate has two fat...

Q: Virology:Where does the 5’ cap come from ?

A: Introduction: CappingTo preserve the mRNA, a methylation guanine cap is inserted. It entails: Methyl...

Q: The trihybrid AaBbCc is crossed to the triple recessive, aabbcc, and the following  phenotypes are o...

A: Here, The offspring are obtained as follows: abc = 64 ABC = 71  ABc = 3 abC = 2  aBc = 11  aBC = 18 ...

Q: What molecules are formed after glycolisis

A: *Glycolysis is the metabolic pathway that converts 6 cabon compound glucose into 2 molecules of thre...

Q: A spontaneous reaction is one in which the change in free energy (ΔG) has a _______ value. (a) posit...

A: A spontaneous process is one that occurs on its own, without any energy input from the outside. 

Q: Which of the following is false regarding the bacterial chromosome?

A: Bacterial chromosomes holds all the information for the cell to survive, they are located in a Nucle...

Q: Discuss STEATORRHEA as a common finding in Gardiasis.

A: Giardia lamblia is a  protozoan parasitic organism;which is microscopic in nature.It causes an infec...

Q: You have an extract of BL21(DE3) cells containing a soluble, 75 kDa recombinant protein that has a h...

A: Chromatography is an is a technique used to separate or purify compounds from the mixture of substan...

Q: Activity 5.2 Match This To0 Directions: Match the following terms in Column A with their definitions...

A: Definition:  Original horizontality -  it suggests all layers of rock are originally deposited horiz...

Q: QUESTION 1 a) In peas plants, allele for purple flower (A) is dominant to the allele for white flowe...

A:

Q: Based on only the given information, which organism is likely most resistant to thermal sterilizatio...

A: A mesophile is an organism that thrives in a moderate temperature range from 20 to 45 °C. While psyc...

Q: What is the function of NaCl in urine formation?

A: Urinary system involves in the clearing or filtering the blood and ridding of wastes that produced i...

Q: Define and describe Genetically Modified Organisms.

A: Introduction :- A genetically modified organism (GMO) is a living organism whose DNA has been altere...

Q: Many commercial herbicides act by inhibiting photosynthetic electron transport. They are investigati...

A: Herbicides are small molecules that inhibit specific molecular target sites in plant biochemical and...

Q: What does the sodium-potassium pump do to reset and maintain resting potential? Inwhat sense is this...

A: Membrane transport is a term that refers to a set of mechanisms that control the passage of ions and...

Q: Locate the appropriate label for the following drug order here. Indicate the number of tablets, caps...

A: A drug label is known to contain very important information about the things such as: Ingredient of...

Q: 2. Your earlobe has been pierced for wearing earrings. You were instructed to keep a stud in place f...

A: a). Whenever ear piercing is done anatomical we are creating an opening on the cartiage of the ear l...

Q: How Do Species Form in Hawaii’s “Natural Laboratory” of Evolution?

A: There are a number of plants in the laboratory that are very similar to the plants that are availabl...

Q: Many enzymes help in cellular respiration. Using the figure to the right, explain the difference bet...

A: Enzymes are protein molecules that act as catalysts in biochemical reactions that take place in the ...

Q: What is mind mapping? How do we do it?

A: Mind mapping It refers to a method for taking notes and brainstorming essay themes that is both effi...

Q: Directions: Explain and give example for each type of reproductive isolating mechanisms. Pre-zygotic...

A: Prezygotic isolation mechanism do not allow the fertilization of eggs while postzygotic isolation do...

Q: Explain how a change in an environment can cause changes in the adaptation of a population.

A: A population is a dynamic system that is very uncertain and can be affected by a small change in nat...

Q: Could the adaptive immune system operate without the innate immune system?

A: * The immune response consist of  innate defense and adaptive defenses. *The innate functions in a n...

Q: Explain why "transpiration is a necessary evil."

A: The plants perform different processes like photosynthesis, transpiration, respiration, etc., all of...

Q: Cells move automatically through the G1, S, G2, and M phases of the cell cycle. However, movement th...

A: Cell cycle is the process of cell division which results in the formation of two daughter cells from...

Q: Mark the alternative that best explains the strategies for using tails and/or fusion proteins associ...

A: Affinity chromatography is a technique that is generally employed for the purification of recombinan...

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.