Question 1 Plants are able to grow in particular directions, for example, towards a light source, using which of the following mechanis

A. Stem cells in the root meristem divide rapidly.

B. Proton pumps are activated, increasing pH inside cells.
C. Hormones cause cells in a certain area to elongate,

D. Parenchyma cells open and close to regulate fluid.

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

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

me and my friend did 2