A human embryo doesn't need the kind of yolk that is present in a chick embryo. Explain. It doesn't need any nourishment. It gets its nourishment from its mother. It can synthesize its own food.

What chemical energy does every step of cellular respiration generate

The human genome contains approximately how many genes

How would a gummy bear placed in salt water be different from a gummy bear placed in regular water? They both swell and are the same size. The regular water gummy bear would be larger. The salt water gummy bear would be larger.

Consider the model of the oxygen cycle on Earth. The majority of Earth's oxygen reservoirs are found in the

Explain why you can't fully test the lipase activity in tube 5.

Even though it is the phenotype that is exposed to a particular environment, the genotype frequencies of a population can change over time. explain.

How do restriction endonucleases work

In the fall semester, matthew contracted pneumonia and had to drop his classes and return home to recuperate. he was already underweight, and he lost more weight during his illness.

Need the answer very fast How does oxygen enter the capillaries surrounding the lung? A with the cell membrane pumps B through diffusion

A wolf pack hunts, kills, and feeds on a moose. In this interaction, the moose is a A. host. B. prey. C. mutualist. D. predator.