Practice Comp

Which one of the following provides instructions for making protein molecules?

• ATP

• DNA

• carbohydrates

• lipids

The main part of the cell membrane is formed by _______.

Which of the following is a principle of the Cell Theory?

• A. Cells have genetic material.

• B. Living things are made of cells.

• C. Cells must obtain and use energy.

• D. Cells are made of macromolecules.

Which structure(s) can be found in eukaryotes but not in prokaryotes?

• ribosomes

• DNA

• cell membrane

• mitochondria

The opposable thumb allows humans to grasp objects firmly. Because this feature helped humans to survive over time, it is called a(n) _______.

Natural selection requires _______ to produce _______.

Plantae, Protista, and Animalia are examples of _______.

• kingdoms

• domains

• classes

• phyla

A virus is genetic material enclosed in a _______.

• nucleus

• cell wall

• protein coat

• cell membrane

A cell that has a cell wall and DNA in a nucleoid would belong to the kingdom _______.

• Eubacteria

• Animalia

• Protista

• Fungi

Algae obtain food by _______.

• eating dead organic matter

• breaking down other organisms

• invading the body of another organism

• making their own food through photosynthesis