What part of the amniotic egg provides food for the embryo?

a. the amniotic membrane

b. oxygen

c. the yolk

d. the shell

Each muscle fiber may contract completely, partially, or not at all, depending on the strength of the stimulus

A woman has two dominant alleles what is her phenotype

What are potential sources of error in Marta's experiment?

Why can't the carbon dioxide cycle easily correct for the increasing amounts of carbon dioxide introduced into our atmosphere by industrialization?

What moves across the earth and breaks down rocks

Clownfish are well adapted to living in coral reefs. Which feature of clownfish shows this? its immunity to the poisonous anemones that live on coral its bright colors, like many of the coral reef fish species the ability to survive in great depths

A cell shows alignment of chromosomes along the equatorial plate. What will happen next? Select one of the options below as your answer:A. Formation of two complete sets of chromosomesB. Separation of sister chromatids and centromeresC.

The office of energy efficiency and renewable energy works to?

When you move your arm to use your computer mouse, which of these muscle cell types is involved? cardiac skeletal smooth

Which amino acid sequence can be coded from the dna sequence cag tag cga?