What are the two types of ecosystem?

Why is the capillary fringe of the zone of aeration similar to a plant's roots? They draw up water. There is nothing similar about them. They are both found in the soil moisture region. They move water downward.

Where do scientists think early mammals came from

One method of genetic regulation in eukaryotes involves controlling mrna stability. a well-known example is the autoregulation observed in the synthesis of alpha and beta tubulins. in what way is the autoregulation achieved?

What effect does temperature have on enzyme activity

How are sex-linked pedigrees different from autosomal pedigrees?

What effect on the evolution of mammals was caused when the continents drifted apart?

What does the bacterial cell, human cell and plant cell have in common?

Which of the following correctly identifies the purpose of the ribosomes? A: Ribosomes are responsible for the cell division B: Ribosomes contain all the genetic material found in the cell C: Ribosomes are where most proteins are constructed in the

Which of the following statements is true? (a) Phospholipids will spontaneously form liposomes in nonpolar solvents. (b) In eukaryotes, all membrane-enclosed organelles are surrounded by one lipid bilayer.

Which type of rock is created when lava cools and hardens? A. igneous B. sedimentary C. metamorphic D. cement