Category 1 STAAR Biology

In the context of nutrition and diet, which organic macromolecules, composed of chains of amino acids, are crucial for building muscles and repairing tissues?

• carbohydrates

• nucleic acids

• proteins

• lipids

While examining a sample from a pond in your biology class using a compound microscope, which is the only structure you would expect to see in a prokaryotic cell?

• nucleus

• chloroplast

• cell membrane

• mitochondria

In a biology lab, researchers are comparing cell structures under a microscope. They note a particular structure that is present in eukaryotic cells, but not in prokaryotic cells. Which cell part are they observing?

• cell membrane

• cell wall

• cytoplasm

• nucleus

In a desert ecosystem, the ability of a cactus to maintain a stable internal water level despite the extreme temperatures is known as ________________.

• Metabolism

• Mitosis

• Heterozygous

• Homeostasis

Tags

NGSS.HS-LS1-3

In the context of studying the influenza virus, what does the term 'capsid' refer to?

• the disease it causes

• the receptors to which it binds

• the genetic material
  

• its protein coat

What is one way that a lysogenic infection differs from a lytic infection?

• A lysogenic virus does not act on bacteria as a lytic virus does.
• A lysogenic virus can remain in the host DNA for a longer period without becoming active.
• A lysogenic virus contains RNA instead of DNA.
• A lysogenic virus directs the production of new viruses right away.

In a rapidly growing tissue culture, which of the following is a possible result of a disruption in the cell cycle?

• cancer

• photosynthesis

• cellular respiration

• protein synthesis

Tags

NGSS.HS-LS1-4

Imagine a fish tank with a filtration system. This system helps in keeping the water clean for the fish to live in a healthy environment. Which of the following processes in the filtration system requires energy to maintain the tank's homeostasis?

• osmosis

• diffusion

• active transport

• passive transport

Tags

NGSS.HS-LS1-3

In a biology class, students are asked to identify the only characteristic shared by living cells and viruses. What is it?

• the presence of carbohydrates

• the ability to reproduce

• the presence of the nucleic acid

• a cell membrane

During a biology class, students are observing cells under a microscope to learn about cell division. They focus on one cell that is in the process of dividing. What stage of mitosis is the cell currently in?

• prophase

• metaphase

• anaphase

• telophase

Tags

NGSS.HS-LS1-4