What chemical structure makes up the cell membrane?

hydrophobic fatty acid

protein bilayer

phospholipid bilayer

What type of bond holds nucleotides together with strand of dna?

What is the name given to the experimental apparatus for generating electricity?

In what two directions does blood flow from the left ventricle of the heart in the figure

Supercoiling is important for DNA structure, because Supercoiling is important for DNA structure, because it provides energy for transcription. it prevents RNA from pairing with DNA in the double helix.

Over which time periods did the squirrel population increase

What results from combining two complementary pigment colors? a secondary pigment a white pigment a primary pigment color a black pigment

An organism's genetic code is determined by A. the sugar-phosphate bonds in its DNA. B. the type of protein present in its cells. C. the length of the DNA strands in its cells. D. the nucleotide sequence in its DNA.

What conditions can lead to severe wild fires droughts and high winds high temerature and heavy rains heavy rains and high winds drought and low temeratures

Describe how nesting in the sea anenomes provide a safe habitat for the clown fish

What do the yellow labels (eumetazoans, bilaterians, etc.) represent?