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<span>It depends on motor proteins and micro-tubules. Motor proteins are proteins that transform chemical energy into mechanical energy which helps cell movement and they also move along a surface. Micro-tubules are also proteins and they are structural components of the cytoskeleton. They are used as structures for movement with the vesicles .</span>
Answer:
Some types of bacteria can cause diseases in humans, such as cholera, diptheria, dysentery, bubonic plague, pneumonia, tuberculosis (TB), typhoid, and many more. If the human body is exposed to bacteria that the body does not recognize as helpful, the immune system will attack them.
Explanation:
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Answer: The means for transmission of disease-causing microorganism is provided by the direct or indirect contact.
Microorganisms can cause disease only once they are transferred to the body. The disease causing microorganisms are termed as pathogens which are transmitted by several ways such as from skin to skin, by nuclei droplets, through blood and body fluids or via air. In vector transmissions the disease is carried by the parasitic insects via animals, air borne transmission occurs when microorganisms move through air or the dust particles, droplet transmission occurs by coughing, sneezing or talking by the person who is infected while indirect transmission occurs by physical contact or by touching contaminated objects.
Answer:
Option (D).
Explanation:
Processivity of DNA polymerase may be defined as the number of nucleotides added in the single binding event. The synthesis phase of cell cycle is fully dependent on the processivity of DNA polymerase.
The processivity of DNA polymerase depends on the sliding clamp, domains of the DNA and the interaction of DNA with enzyme. Loss of hydrogen ion at 3'OH primer does not affect processivity but important for the nucleophile attack and also effect the catalytic property of enzyme.
Thus, the correct answer is option (D).