First Semester Exam Review 2023-24

Which of the following components of this nucleic acid are held together by

hydrogen bonds?

• Nucleic Acids

• Phosphates

• Sugars

• Nitrogenous Bases

Which of the following would be the best evidence that a cell is using active

transport to move a substance across its cell membrane?

• Which of the following would be the best evidence that a cell is using active

  transport to move a substance across its cell membrane?

• Substances are moving from higher to lower concentrations

• Substances are moving rapidly across the cell membrane

• ATP is being quickly used near the cellular membrane

Which of the following types of RNA, plays a

critical role in transcribing the DNA to begin the process of protein

synthesis?

• rRNA

• tRNA

• mRNA

• dRNA

What are the two stages of gene expression?

• Mitosis and meiosis

• Respiration and photosynthesis

• Transcription and translation

• Reparation and replication

Besides solar energy, what other reactants are needed to ensure

photosynthesis occurs in plants?

• Oxygen and carbon dioxide

• Oxygen and water

• Carbon dioxide and water

• Glucose and carbon dioxide

Tags

NGSS.MS-LS1-6

Which of the following is most likely Biomolecule X?

• Proteins

• Nucleic Acids

• Lipids

• Carbohydrates

Tags

NGSS.HS-LS1-1

Which nitrogenous base pairs with guanine?

• Cytosine

• Adenine

• Thymine

• Uracil

Which biomolecule is primarily found in the double layer of the cell

membrane?

• Protein

• Carbohydrate

• Lipids

• Nucleic Acids

Which of the following correctly describes the chemical reaction for cellular

respiration?

• Glucose is broken down into water, carbon dioxide, and energy.

• Carbon dioxide and water combine in the presence of sunlight to produce

  glucose and oxygen.

• Water is used to convert oxygen to carbon dioxide.

• Carbon dioxide is absorbed and oxygen is released.

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

Bacteria are commonly thought of as pathogenic, disease-causing agents.

However, only a small percentage of bacteria are actually harmful. Bacteria are

also commonly used to —

• create vitamins and aid in the breakdown of food

• create food items such as yogurt and cheese

• create medicines such as antibiotics

• All of the statements above are correct