Graded A+
What is the primary function of the cell membrane?
✔✔ To regulate what enters and exits the cell
What is the main process by which cells convert glucose into energy?
✔✔ Cellular respiration
What is the smallest unit of an element that retains its properties?
✔✔ Atom
What type of bond involves the sharing of electron pairs between atoms?
✔✔ Covalent bond
What is the primary purpose of photosynthesis in plants?
✔✔ To convert sunlight into chemical energy
1
,What are the four main types of biological macromolecules?
✔✔ Carbohydrates, proteins, lipids, and nucleic acids
What is the process of a liquid turning into a solid called?
✔✔ Freezing
What is the name of the organ that filters blood in the human body?
✔✔ Kidney
What is the scientific study of the interactions between organisms and their environment?
✔✔ Ecology
What is the main structural component of plant cell walls?
✔✔ Cellulose
What is the primary role of red blood cells?
✔✔ To transport oxygen
2
, What process describes the movement of water across a semipermeable membrane?
✔✔ Osmosis
What is the term for a group of similar cells that perform a specific function?
✔✔ Tissue
What is the primary source of energy for the Earth?
✔✔ The Sun
What are the building blocks of nucleic acids?
✔✔ Nucleotides
What is the force that keeps planets in orbit around the Sun?
✔✔ Gravity
What is the process by which a cell divides into two daughter cells?
✔✔ Mitosis
3