Which of these is a characteristic of body cells that require large amounts of energy? answers:

They have a large number of mitochondria.

They have a large number of vacuoles.

They have a small number of chloroplasts.

They have a small number of mitochondria.

straight or amphibians are homeothermic to thermal

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.