EOC Practice Questions Biology

What is is the role of the mRNA?

• making energy

• creating bonds in biomolecules

• producing sugars for replication

• providing information to form proteins

Mutations can only effect the organism and NOT future generation.

• egg cell and liver cell

• sperm cell and egg cell

• nerve cell and brain cell

• sperm cell and lung cell

A prokaryote has the absence of

• cell membrane

• ribosomes

• chromosomes

• nucleus

Which phase is DNA replicated?

• Mitosis

• G1

• G2

• S

What elements are in carbohydrates?

• CHO

• CHON

• PCHON

• PCHONS

What elements are most likely in DNA?

• iron, oxygen, magnesium

• calcium, potassium, nitrogen

• hydrogen, phosphorus, nitrogen

Part of the cell cycle is shown in this model. This process is described as

• duplicates DNA

• completes cell division

• maintains genetic homeostasis

• synthesizes new molecules

Baboons live on the savanna in breeding groups called troops. While females stay with the troop, young males may leave and join a neighboring troop. What will occur?

• gene flow between populations

• allele frequencies suddenly change

• geneotypes reach a constant state

• phenotypes increase in the species

Differences in traits such as hair texture are determined by differences in

• the location of sugar groups in DNA

• the sequence of nucleotides in DNA

• the number of nitrogen bases in DNA

• the molecules attached to the phosphate in DNA

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which molecule is synthesized by plants is a major energy source for plants and animals?

• wax

• nucleic acid

• glucose

• chlorophyll