A molecule that gains an electron becomesin the process A In

A molecule that gains an electron becomes___in the process A) Induced B) divided C) positive D) oxidized E) reduced Which of the following is a membrane-bound structure in cells which contains chlorophyll? A) nucleolus B) mitochondrion C) chloroplast D) cytoplasm E) golgi In respiration, most of the energy in the original glucose molecule is: A) released in molecules of carbon dioxide. B) stored in molecules of ADP. C) released as heat. D) stored in molecules of pyruvate. E) stored in molecules of ATP. Which of the following statements about secondary metabolites is FALSE? A) Their concentration in a plant can vary greatly over a 24-hour period. B) Some are produced only after the plant has been damaged. C) Some function as chemical signals or in the defense of the plant against herbivores. D) They are found in all cells of a plant. E) They frequently are synthesized in one part of the plant and stored in another. Choose the best definition of energy A) the sum of mass and velocity B) mass times velocity C) the ability to do work D) the potential for movement E) mass divided by gravity

Solution

1]

A molecules that gains an electron becomes reduced

Reduction is the gain of electrons or a decrease in oxidation state by a molecule, atom.

2]

Which of the following is a membrane-bound structure in cell, which contains chlorophyll?

Chloroplast

3]

In respiration most of the energy in the original glucose molecules is

Stored in molecules of ATP

4]

Which of the following statements about secondary metabolites is false?

They are found in all cells of a plant

5]

Choose the best definition of energy

The ability to do work