Unlike DNA, RNA contains the nitrogenous base ___

a

adenine

b

phosphate group

c

uracil

d

thymine

What is true about the structure or function of the plasma membrane? Large molecules often cross the plasma membrane while inside vesicles. Hydrophobic molecules keep the cell from getting too much water.

Your hands moved the chromosomes in your models. What part of a cell did your hands represent?

The successful cleanup of the Nashua River can be credited to?

The shape of a planets orbit is influenced by gravity

What is a nonnative species A. a species that increases biodiversity B. a species that does not normally live in an area C. a species that is a poor predator D. a species that has no permanent home

As wind travels across the water's surface, it pushes against the water, and energy in the wind is absorbed by the water. What does the interaction between the wind's energy and the water form?

The enzyme that is used to join complementary dna nucleotides together is

Choose which way of evolution caused the FQ antibiotic resistance.

Determine the ionic characteristics of this element. calcium

The first step in the catabolism of amino acids is the removal of the nitrogen as ammonia, forming a keto acid that can enter one of the carbon catabolic pathways.