Science Flashcards
7 cards from real TASC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Science flashcards as text
Which organelle is responsible for converting glucose into usable energy (ATP) in a cell?
Answer: Mitochondria
Mitochondria carry out cellular respiration, producing ATP from glucose and oxygen.
In a food chain, organisms that make their own food using sunlight are called what?
Answer: Producers
Producers, such as plants, make their own food through photosynthesis.
What gas do plants take in from the air during photosynthesis?
Answer: Carbon dioxide
Plants absorb carbon dioxide and release oxygen during photosynthesis.
A trait controlled by a dominant allele will appear in an organism if the organism has how many copies of that allele?
Answer: At least one
A dominant trait is expressed when at least one dominant allele is present.
Which body system is responsible for transporting oxygen and nutrients to cells throughout the body?
Answer: Circulatory system
The circulatory system uses blood vessels and the heart to deliver oxygen and nutrients.
What is the smallest unit of life capable of carrying out all life processes?
Answer: Cell
The cell is the basic structural and functional unit of all living things.
During which process do organisms release energy by breaking down food in the presence of oxygen?
Answer: Cellular respiration
Cellular respiration breaks down glucose with oxygen to release energy as ATP.