densrizdela densrizdela

01-02-2017
Biology

contestada

What structure acts as a selective barrier, regulating the traffic of materials into and out of the cell?

Respuesta :

02-02-2017

plasma membraine i hope that help

Answer Link

Otras preguntas

Reducing the volume of a contained gas by one third, while holding temperature constant, causes pressure to A. be decreased by two thirds. B. be increased by tw

In Western Europe, the effects of the Crusades included all of the following except A. encouragement for learning and a broader view of the world. B. a w

50 decreased by twice a number

What types of internal differences and divisions exist within your faith? (jesus, moses and muhammad

If five slices of pizza cost $5.50, how much do two slices cost? Ten slices? Half a slice ?

Darryl is reading a book at the rate of 4.5 pages pre minute. what ordered pair on a graph of his reading rate would represent the number of minutes it would ta

The greatest fear of the rulers of the Austria Hungarian empire was that

Which verb is in the present perfect progressive form? A. has been sleeping B. are listening C. shall have been growing D. had been joking

Which of the following statements regarding vitamins is true? A. Adults don't need to take vitamins or minerals because they're fully grown. B. Your environment

A lecture was being given to the students A.verb B.noun C.adj