Vascular tissue in plants consists of

A. meristems.

B. xylem and phloem.

C. parenchyma and collenchyma.

D. epidermis

The area around a cell has a high concentration of sodium ions As a result the cell membrane expands and burst which problems was the cell most likely having

What is the nickname for primase?

This is the genus that includes modern humans and species closely related to them and is estimated to be about 2.3 to 2.4 million years old.

The element nitrogen has the atomic number 7 and an atomic mass of 14. How many neutrons does an atom of nitrogen contain? A. 14 B. 7 C. 0

Father B b Mother B b BB Bb Bb bb B=dominant b = recessive The gene for brown hair (B) in Goats Consider the possible genotypes of the offspring of two heterozygous brown goats. The ratio of brown to white offspring in this case would be A) 1:3.

True or false? biologists studied the effects of forest fragmentation by calculating the difference between the amount of plant biomass in the edges of forest fragments and the interiors of unfragmented forest.

This is an organ in the digestive system which transports waste out of the body and absorbs water from the waste before it leaves the body.

Which two actioms happens when bonds in ATP moecules are broken

Explain how inherited cancer alleles can lead to a predisposition to certain cancers.

Which organelle is responsible for poviding a barrier?