Without crossing over:

A. cells could not complete meiosis.

B. meiosis could not produce haploid gametes.

C. only a small number of unique gametes could be produced by a single individual.

D. genetic recombination could not occur.

The gap where there is no myelin sheath around a nerve fiber is called a node of ranvier.

Which climate favors mechanical weathering? A. dry climate B. cold climate C. warm climate D. desert climate

How would you find the mass of a certain amount of water that you poured jnto a paper cup

What is a cell membrane used in everyday uses?

What is the function of the human immune system

Which class of biologically important molecules are steroids related to? nucleic acids proteins lipids Carbohydrates

The golgi apparatus (dictyosome) plays a major role in what cellular pathway?

What is the flotation method used to determine? Mass Density Volume Color

Fossil records suggest major changes in early vascular plants that favored the evolution of land plants. Which was one of these major changes? Select one of the options below as your answer: A. Development of fruit B. Development of seed C.

Many people in the developing world who depend on rice in their diet suffer from diseases related to deficiencies of