Chemotaxis is movement of a motile cell or organism, or part of one, in a direction corresponding to a gradient of increasing or decreasing concentration of a particular substance.
To determine what the base sequence for the complementary strand, would be simply remember the base pairing or nitrogenous base pairing rules, for which nitrogen containing base hydrogen bonds or complementary base pairs with another.
A = T
G = C
So the complementary strand would be :
GCATCC.
Answer:
true
Explanation:
Penicillin is a bacteria so it means it causes the production of antibodies which then boost the immune system.
It is like vaccination; small doses of the inactive form of the infection is injected into the body in order for the body to create antibodies resistant to such infection(thereby boosting the immune system).
Hope it helps.
Answer: A. the lens focuses light on the retina
The lens is composed of transparent, flexible tissue and is located directly behind the iris and the pupil. it is the secondary part of the eye after the cornea. by changing it's shape the lens changes the focal distance of the eye and focuses the light that passes through it and into the retina in order to create clear images of objects. it also works together with the cornea to refract, or bend light.
good luck and a great day to you.
