Why are they called Opportunistic Diseases?

Q: According to Lamarck’s theory of evolution, organisms change during their lifetime to survive then p...

A: Lamarck's theory of evolution is the 1st theory of evolution which was proposed by Jean Baptiste de ...

Q: please choose statements/concepts that relate to SCIENCE that begins with letter X X letter should ...

A: As we know that science is the study of knowledge , technologies based on experiments. There are dif...

Q: In order to selectively breed smaller soybean plants, you only collect seeds from the smallest indiv...

A: Given data: Mean weight of plants in crops(M) = 1 kg Narrow sense Heritability in crops (h) = 0.8 T...

Q: What type of symmetry can be observed in the given image? Select the correct response: Radial Spheri...

A: Radial symmetry occurs when any plane passing through the centre divides the body into two equal hal...

Q: - Explain another methods by which cytotoxicity is measured ?

A: Certain substances or mediator cells have the capacity to kill live cells. can be triggered by a var...

Q: Cell cycle checkpoints are surveillance mechanisms that monitor the integrity and fidelity of the ma...

A: A check point is a stage in eukaryotic cell cycle at which the cell examines internal and external c...

Q: 2. Describe how pigments work as it relates to photosynthesis. Make sure you note what part of the p...

A: Photosynthesis is the process of carbon fixation in plants. This uses sunlight as the source of ener...

Q: Do you find compound leaves only in dicots? Why?

A: Any species of the flowering plants, or angiosperms, which has a couple of leaves, or cotyledons, in...

Q: From the list of strategies for dealing with harsh cold environments, choose those that an ectotherm...

A: An ectotherm is a creature inside which internal physiological sources of energy play a minor or ins...

Q: Coat color in mice is influenced by two genes, one for color (A) and one for the amount of pigment p...

A: Answer

Q: describe 3 mechanisms that help generate antibody diversity in naïve B cells and create our naïve BC...

A: Immunoglobulins produced in response to antigenic stimulation are known as antibodies. They are eith...

Q: Researchers were working to determine the evolutionary history of modern horses using fossils of fou...

A: Introduction: Fossils are the traces of ancient life that have been preserved by natural processes, ...

Q: Overfishing has almost caused the extinction of Cod and by the early 1990s most Canadian Cod stocks ...

A: Canadian Cod Fish or Canadian Atlantic Cod (Gadus morhua), are cold water fish, which weigh 2 to 3 k...

Q: Venous blood pressure is equal to 6-8 O 20 3-7 12/8

A: Introduction Venous Blood Pressure:- It is the average blood pressure within the venous compartment ...

Q: The list below choose all the concerns surrounding antimicrobial use. A. toxicity B. disruption of ...

A: Toxicity

Q: Make a diagram showing the application of recombinant dna in the field of agriculture, medicine and ...

A: Recombination DNA technology has done Marvels in every field it uses vectors to transfer genetic com...

Q: 11 Equus Pilohippus Merychippus Mesohippus Eohippus (modern horse) (Dawn Horse) Source: http://www.i...

A: The related organisms that share common characteristics and are capable of interbreeding are called ...

Q: A. The man is heterozygous type B (BO) and the partner is homozygous type A (AA). Do the cross to sh...

A: The "ABO" blood group system is made up of four blood groups – A, B, AB, and O and is based mostly o...

Q: The HIV virus infects and destroys CD4 positive T cells, but otherwise mostly leaves the body intact...

A: Introduction: HIV is a sexually transmitted illness that affects both men and women (STI). It can al...

Q: 4. What are some concrete actions that you can do based on these facts: For every ton of tissue pape...

A: As plant is essential for environment as well as for human beings but as of now there is more cuttin...

Q: Genetic engineering has been a debatable topic in science as many people are only aware of its risk ...

A: The correct answer for this question is - b) II,III and VI  Explanation : We can divide the giving o...

Q: A monogamous couple is researching birth control methods. They want children in the future, and the ...

A: Introduction Monogamous:- Monogamy is a form of relationship in which an individual has only one par...

Q: he event that causes the release of high levels of estrogen release causing positive feedback is: O ...

A: The anterior pituitary rapidly modifies its reaction to consistently elevated oestrogen levels durin...

Q: Eukaryotes and prokaryotes have either DNA genome or RNA genome True False Golgi stack is the stack ...

A: Introduction: The cell is the structural and building block of life. All living organisms in this un...

Q: hat is the definition of FACILITIES (science-related) pls elaborate in paragpraph

A: Facilities are something related to the hospital that is built or established to serve a particular ...

Q: From the list below choose all the concerns surrounding antimicrobial use. A. toxicity B. disruptio...

A: Answer :-  Toxicity :- A significant quality for an antimicrobial medication is particular toxicity,...

Q: SCIENCE

A: Dactylography is study of fingerprint , use this is  important method of forensic science. Moisture ...

Q: Choose the correct statement regarding Climate change Climate change is not a real phenomenon and we...

A: Climate change is the long-term change in the temperature, weather patterns and that mainly leads to...

Q: List down and explain YOUR UNDERSTANDING regarding the 17 SUSTAINABLE DEVELOPMENT GOAL

A: Answer : 17 SUSTAINABLE DEVELOPMENT GOALS are :  1- no poverty : poverty is the main reason leading ...

Q: TRNA has peptidal transferase activity. True False Genetic information stored in mRNA is translated ...

A: A ribosome is a biological unit made up of Protein molecules and RNA that functions as the cell's pr...

Q: . In your own words, what are the difference between: a. sexual and asexual stages of malaria b. rec...

A: Sexual stage Asexual stage Sexual stage is found in anopheles mosquito. Asexual stage is found in ...

Q: If a parasite’s life cycle involves multiple hosts, what might control the population dynamics of th...

A: As per the guidelines, we are supposed to answer only one question. Since you have asked multiple qu...

Q: The advantages of Cryosurgery are There is little bleeding in the destroyed area The volume of tissu...

A: Cryosurgery:  Cryotherapy is a treatment that involves your healthcare practitioner freezing and des...

Q: QUESTION 44 Which is not a component of Health Related Fitness? O a. Cardiorespiratory Fitness O b. ...

A: Answer  D) Reaction time 

Q: Why it is immoral to make headless babies for organ transplants?

A: Introduction Organ transplant:- It is a medical procedure in which doctors remove an organ from anot...

Q: In the fungus Neurospora, some mutants were obtainedthat lacked activity for a certain enzyme. The m...

A: Neurospora It belongs to the Ascomycete fungus family. The genus name, "nerve spore," refers to the...

Q: Aneuploidy refers to the loss or gain a chromosome part. B. Polyploid cells have extra chromosome s...

A: Polyploidy is defined as the presence of more than two haploid sets of chromosomes in a species. It ...

Q: Membrane separating the contents of the nucleus from the rest of the cell ___ Protein synthesis ___ ...

A: Nuclear membrane membrane separating the contents of the nucleus from the rest of the cell.  Ribosom...

Q: ony forming units reticulocyte hemopoiesis hematopoietic stem cells erythropoiesis emopoiesis is the...

A: All cellular components of blood and blood plasma are produced during hematopoiesis. The hematopoiet...

Q: Through the human introduction of invasive species and forced migration of various species such as p...

A: Introduction :- A null hypothesis is a statistical hypothesis that states that no difference exists ...

Q: 6. Variations of the plaque assay can be used to determine the number of animal viruses from a sampl...

A: There are few points about Plaque assay : When treated with the lawn of susceptible cells , a bacte...

Q: In a Eukaryotic cell, Transcription occurs in the _____________________ of a cell while Translation ...

A: Answer - a. In a Eukaryotic cell, Transcription occurs in the nucleus of a cell while Translation oc...

Q: Your colleague has given you an unauthenticated cell culture grown from a primary explant. Suggest f...

A: Mycoplasma contamination of cell cultures is extremely common as these bacteria are found commonly i...

Q: Which of the following is an example of fungus-like protist? Group of answer choices golden algae rh...

A: Kingdom protista comprising of unicellular, eukaryotic organisms that have features similar to those...

Q: In guinea pigs, the black coat (B) is dominant over the white coat (b), and straight hair (H) is dom...

A: The term heterozygous is associated with a condition in which different kinds of alleles associated ...

Q: The site of aerobic respiration in eukaryotic cells is a) Peroxisome b) Plastid c) Mitochondria O d)...

A: Aerobic respiration  It is defined as the process of cellular respiration that takes place in the pr...

Q: Nutrients are reabsorbed from the _____ into the _____.

A: Different nutrients are needed for the normal growth and reproduction in living organisms. In case o...

Q: Species Embryo (A-F) Describe the Anatomical Changes from Early to Late Stages Human F Chicken Rabbi...

A: * Embryology is study of development of an organism from embryo to adult. * As we seen above evoluti...

Q: Which of the following ploidies would lead to infertility Tetraploid triploid diplodi A and C 

A: ù describes the condition when there is a presence of more than two sets of chromosomes in the indiv...

Q: Choose the statement that is incorrect. a. Phylogeny helps us study the spread of viruses through hu...

A: Phylogeny refers to the relationship between different groups of organisms and their evolution over ...

Health Epidemiology

Health is an essential factor for all human beings. For all humans, health is a critical factor. An individual's ability to meet life's challenges and retain his or her capacity for optimal functioning is reflected in his or her condition of health. This needs the physical, mental, and biological parts of one's constitution to maintain a degree of functioning that has a favorable influence and support for one another.