Which structure of the excretory system in humans is responsible for cinverting ammonia into urea

How would the ecosystem be affected if your top predators were hunted to extinction

An animal cell that surrounds by fresh water will burst because the osmotic pressure causes

In mammalian dosage compensation, one X chromosome in expresses the lncRNA, which spreads along the X chromosome and recruits proteins that add the chromatin mark.

I make up cell membranes. what am i?

what is the process by which substance move randomly from an area of higher concentration to an area of low concentration

Which statements apply to density? Check all that apply. >Density is a chemical property of an object. >The density of an object is constant. >Density is a derived unit of measure. >Density is the sum of the mass and volume of an object.

For some invertebrates that live in water, the sense of taste and the sense of smell are identical. Why do you think separate organs for taste and smell might have evolved in animals that live on land but not in some animals that live exclusively in

Plants can only cause mechanical weathering. true or false.

Both Allison and Beth need 2,200 kcal daily to maintain their weight. Allison consumes a high-fat, high-protein, low-carbohydrate diet consisting of 2,200 kcal. Beth consumes a low-fat, moderate-protein, high-carbohydrate diet containing 2,300 kcal.

Which observation proves that a cell is eukaryote