What type of transport takes place when a protein allows an ion to enter a
cell, but no additional energy is needed to make this happen?
A. Endocytosis
B. Active
C. Facilitated
D. Osmosis

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

In pea plants, the allele for inflated pod seed, i, is dominant over the allele for constricted pod seed, i. the punnett square shows a cross for this trait. which offspring will be homozygous dominant

What do genes contain the code for?