Which movement of substances through a cell membrane against a concentration gradient requires energy?

Question 16 options:

osmosis

diffusion

active transport

facilitated diffusion

If two tabby cats are crossed with each other what is the likelihood that they'll have a tabby kitten? A Black kitten?

Which characteristic is not useful in the classification of igneous rocks?

The portion of a neuron that carries information toward the cell body is the

Which of the following is true of scientific investigations? Question 1 options: AInformation is obtained only through experimentation. B Information is obtained through observations and experimentation.

Identify the most common graph types,

Malignant tumors are classified according to A. how quickly they divide. B. how quickly they spread. C. the type of cells that give rise to them. D. the type of cells they are most likely to spread to.

Which of the following statements is TRUE about vitamin and minerals? a. Vitamin D is a water-soluble vitamin that is stored as hydroxycholecalciferol and released so that bones and teeth form normally. b.

A blank reaction occurs when ionic or comment bond are broken and elements ions or simpler molecules are formed

The phase in which DNA copies itself

Which statement best describes the results of DNA A. Two identical DNA molecules B. one DNA molecule C. messenger RNA D. Two genetically different DNA molecules