What are the example of chemical control?

Q: ..You have isolated a new protein called STICKY. You can predict from comparisons with other known p...

A: The structural motifs are supersecondary structures that are found on nucleic acids or protein molec...

Q: What was the purpose of giving postexposure prophylaxis to thenurse?a. to treat AIDSb. to prevent pn...

A: Acquired immunodeficiency syndrome (AIDS) is a disease caused by the human immunodeficiency virus (H...

Q: Watch this short video (http://openstaxcollege.org/l/facialnerve) to see an examination of the facia...

A: The facial nerve is also known as the seventh cranial nerve or CN VII nerve. It originates from the ...

Q: What does a biodiversity of geographical region represents?

A: Introduction  Biodiversity refers to the availability of different type of species of different taxa...

Q: How is the excretory system of molluscs characterized?

A: The mollusks are diverse morphologically and live in many types of environments. It includes snails,...

Q: What is the Rh factor?

A: Red blood cells are also called erythrocytes. The protein present inside them is hemoglobin.

Q: Briefly describe three ways that antibody diversity is increased.

A: Any foreign material that enters the body and causes harm is referred to as an antigen. The protein ...

Q: Increased ventilation that results in an increase in bloodpH is called ________.a. hyperventilationb...

A:  The movement of air between the atmosphere and the lungs through inhalation and exhalation is known...

Q: Which type of respiration produces more ATP

A: Cellular respiration is a series of metabolic reactions that takes place in the cell to break down o...

Q: How is the mitotic phase different from mitosis?

A: Cell cycle comprises of four stages namely G1, S , G2, M. M phase is also known as mitotic phase dur...

Q: Name the organisms whose locomotory organ are tube feet.

A: Locomotion is the process of movement by organisms from one place to another. Plants lack locomotion...

Q: What is pain in chest due to heart attack called?

A: A human heart is 4 chambered mascular organ. Its present inside chest and its similar to a fist in s...

Q: Which structure is present in the right ventricle of the sheep's heart but not in the left ventricle...

A: The heart is one of the vital organs in the body. The main function of this organ is to pump up the ...

Q: How are animals as delicate as nemerteans able to function as predators?

A: Nemerteans are described as free-living, thin, and extensible worms that are mainly present in marin...

Q: Explain coevolution of host and pathogen. Cite a specific example.

A: Evolution is the change in the certain characteristics of a species during the course of time from o...

Q: How is anagenesis different from cladogenesis?

A: Evolution is a change in the “genetic composition” of a population over multiple generations. It is ...

Q: Contrast the important points of the four basic helminth transmissioncycles with examples.

A: The term helminth is used to refer to worms that exist in different forms for example platyhelminths...

Q: Briefly explain the contribution that Gregor Mendel made to the study of genetics

A: Gregor Johann Mendel was a German scientist. He worked on seven characteristics of pea plants: pod s...

Q: Retrogarde amnesia indicates :-a- inability to consolidate memoriesb- Inability to recall memoriesc-...

A: Amnesia is defined as the form of memory loss. Amnesia is caused due to brain damage, several neurol...

Q: Name a structure that is located toward the dorsal side of the body lateral and superior to the hams...

A: The anatomical position is used as a reference to determine the location of different structures in ...

Q: Describe the changes in barometric pressure, PO2, and air density with increasing altitude. Include ...

A: Atmospheric pressure and altitude or height is correlated. The relationship is reverse.  Atmospheric...

Q: Variation we see in dog breeds is a product of what?

A: Animal breeding controlled the propagation of cattle to enhance desirable qualities. Humanity has be...

Q: Why are women predisposed to cystitis?

A: Cystitis comes under the category of Urinary tract infection(UTI) in which inflammation of bladder w...

Q: A blue eyed man (A) both of whose parents (B&C) were brown eyed, marries a brown eyed woman (D) ...

A: According to the question,  A is a blue eyed man and B and C are his parents. Let’s suppose, B is th...

Q: Which of these is most associated with villi?a. haustrab. lactealsc. bacterial florad. intestinal gl...

A: The villi are tiny, slender, vascular projections that increase the surface area of a membrane that ...

Q: Discuss the times in a person’s life when it is most important toavoid mutagens. Which parts of a pe...

A: A chemical compound or different forms of radiations that are able to cause mutation is called mutag...

Q: Which location on the body has the largest regionof somatosensory cortex representing it, according ...

A: The sensory homunculus is the representation of the body as a neurological map in the primary somato...

Q: Why do bacteria have both plasmid and genomic DNA?

A: Genomic and Plasmid DNA The plasmid is an extra-chromosomal DNA, which is circular and double strand...

Q: What is the effect of operator mutants?

A: Step 1 Genetic material has a number of functional units called operons, like- lac operon, trp opero...

Q: Name the blood that flows through veins.

A: There are three types of blood vessels which carry the blood, namely, artery, vein and capillary. Ve...

Q: Phloem is a tissue found in: A. reproductive organs of animals B. plants C. insects D. ...

A: The tissue is a cellular level of organization between organ and cell. The nervous, muscular, connec...

Q: To determine whether radiation associated with the atomic bombings of Hiroshima and Nagasaki produce...

A: Mutations are changes that occurs in the deoxyribonucleic acid (DNA) sequence, either due to mistake...

Q: How many electrons does a neutral Chlorine (Cl) atom have in its outermost electron shell?

A: The negatively charged sub-atomic particles of an present, present inside its nucleus are known as e...

Q: If the VIN3 gene had a loss-of-function mutation, how do youthink that would affect the phenotypes o...

A: Gene is a functional unit of heredity. A gene is a sequence of nucleotides in genome that codes for ...

Q: What is “uniformitarianism”? How did it influence Darwin’s evolutionary theory?

A: The evolution of an organism occurs due to the changes in the genetic makeup of a population that ta...

Q: What are the three main types of tropic pyramids studied in ecology?

A: Ecological pyramids are a graphical representation of ecological parameters like the number of indiv...

Q: The doctor ordered an IV of 0.9% NS, 1000 mL to infuse in 10 hours. The drop factor is 10 drops per ...

A: Intravenous or IV drip of any drug or saline solution is an absolute essential for patients undergoi...

Q: Differentiate between mitotic cell division and meiotic cell division in terms of their products.

A: Cell division is must for the growth of an organism. Cell generally exhibits two types of division –...

Q: ______ transport uses cellular energy to move materials from an area of lower concentration to an ar...

A: Given: fill in the blank In the above question, we have to fill the appropriate word in the blank sp...

Q: List three reasons why rRNA genes are suitable for phylogeneticanalyses.

A: RNA (ribonucleic acid) is also a type of nucleic acid like DNA but has few structural and functional...

Q: Where does most digestion in the small intestine take place?

A: Digestion is a process of break down of ingested food physically(by teeth,muscles of stomach ) and c...

Q: A neurotransmitter binds to a receptor on a muscle cell and causes sodium channels to open. This is ...

A: Facilitated diffusion is a passive transport of ions, which means this process does not need energy ...

Q: How is our life cycle as humans (birth, growth, reproduction, and so on) connected to the cell cycle...

A: A life cycle is defined as the developmental stages that occur during an organism's lifetime while t...

Q: What do you mean by efferent nerves? Name the parts of body where they are present.

A: The central nervous system is composed of the brain and spinal cord and the peripheral nervous syste...