TEAS Science Practice Test 3

Which of the following is a byproduct produced during photosynthesis?

Both DNA and RNA have which of the following in their molecular structures?

Mutations are likely to have which of the following effects on a cell’s functioning?

The region on the DNA that codes for a protein is called which of the following?

For eye color, brown eyes are dominant to blue eyes. A heterozygote and a homozygous dominant individual would have what colored eyes?

A homozygous recessive female is mated with a homozygous dominant male. Which of the following would be the genotype of the offspring?

Which of the following occurs during the S phase of interphase?

Which of the following serves as the catalyst for initiating photosynthesis?

What are the coefficients in the following chemical reaction?

____Mg(OH)₂ + ____HCl ⇒ _____MgCl₂ + _____H₂O

What of the following compounds is reduced in the following chemical reaction?

6CO₂ + 6H₂O ⇒ C₆H₁₂O₆ + 6O₂