Inadequate intake of which nutrient during the first few weeks of pregnancy is associated with spinal cord defects in the fetus?

What are facts about nucleic acids

Which of these statements about photosynthesis is correct? A. Both photosynthesis and respiration require the same amount of energy for metabolic processes, such as synthesis and the breakdown of carbohydrates. B.

Genetic material in order from simplest to most complex. A. gene, genome, chromosome B. gene, chromosome, genome C. chromosome, gene, genome D. genome, gene, chromosome

In facilitated diffusion, do molecules move down their concentration gradient?

Suppose you saw an unusual plant while you were walking in a wooded area. Could you tell whether the plant was a monocot or a dicot simply by observing it? If so, how?

Match the layer of the earth with its best description. 1. inner core a. plastic portion of the upper mantle of the earth 2. outer core b. made of large plates that move 3. lower mantle c. layer just outside of the outer core 4. upper mantle d.

Cells produce ATP both aerobically and anaerobically. One process is an integral part of aerobic respiration that produces the majority of ATP molecules is

An organism with at least one ___ for a particular form of a trait will exhibit that form of the trait

Base excision repair corrects DNA by A. removing a double-stranded fragment of damaged DNA. B. detecting, removing, and replacing damaged or incorrect nucleotides in a single strand of DNA. C. excising the incorrect base from a nucleotide D.

Which is an effective way to manage stress