A student is examining leaf cells. Which organelles are most likely to be missing from the cells?
ribosomes
chloroplasts
lysosomes
mitochondria

coal is not sustainable because it will one day run out.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

the tricuspid valve is present between right atrium and right ventricle

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