science 1
What is the basic unit of life?
The cell.
What process do plants use to make food from sunlight?
Photosynthesis.
Which gas do humans breathe in to survive?
Oxygen
What do you call an animal that eats only plants?
Herbivore.
What is the main function of red blood cells?
To transport oxygen.
Which organelle is the "powerhouse" of the cell?
Mitochondrion.
What is the molecule that carries genetic information?
DNA (Deoxyribonucleic acid).
How many kingdoms of living organisms are there in the classic system?
Five (Monera, Protista, Fungi, Plantae, Animalia).
Which part of the plant conducts photosynthesis?
The leaf
Who is known as the "Father of Genetics"?
Gregor Mendel.
What is the movement of water across a semi-permeable membrane?
Osmosis.
Which type of cell division results in two identical daughter cells?
Mitosis.
What is the name of the pigment that gives plants their green color?
Chlorophyll.
how many chromosomes do humans have in a normal somatic cell?
46 (23 pairs).
What are the four bases found in DNA?
Adenine, Thymine, Cytosine, Guanine
What is a group of similar cells working together called?
Tissue.
What is the term for an organism that can make its own food?
Autotroph.
What is the hardest substance in the human body?
Tooth enamel.
Which blood type is known as the "universal donor"?
O negative
What are the tiny air sacs in the lungs where gas exchange occurs?
Alveoli.
What are the three stages of cellular respiration?
Glycolysis, Krebs cycle, and Electron Transport Chain.
What is the function of ribosomes?
Protein synthesis.
What is the largest organ of the human body?
The skin.
What is the difference between a genotype and a phenotype?
Genotype is the genetic makeup; phenotype is the physical expression.
Which sugar is produced during photosynthesis?
Glucose.