Question

1. what are the products of photosynthesis?

a. atp and water
b. carbon dioxide and water
c. nadph and oxygen
d. glucose and oxygen

1. during which stage of meiosis does crossing - over occur?

a. metaphase i
b. telophase i
c. anaphase i
d. prophase i

1. where does glycolysis occur within a cell?

a. nucleus
b. endoplasmic reticulum
c. mitochondrion
d. cytoplasm

Explanation:

1. Photosynthesis uses carbon - dioxide and water to produce glucose and oxygen.
2. Crossing - over occurs during Prophase I of meiosis when homologous chromosomes pair up and exchange genetic material.
3. Glycolysis, the first step of cellular respiration, occurs in the cytoplasm.

Answer:

1. d. Glucose and oxygen
2. d. Prophase I
3. d. Cytoplasm