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Kelp use chlorophyll to capture sunlight for food. What are these organisms classified as?
What is a characteristic of eukaryotes?
Which of the following levels of body organization involves the interactions between atoms and molecules?
Which organelle contains photosynthetic molecules?
_____ is the ability of water to be attracted to other substances.
Atom X has an atomic number of 10 and a mass of 20 amu. Atom Y has 10 protons and 12 neutrons. Which of the following describes the relationship between these atoms?
Based on the following graph, what does this data show?
For an organism, the cell cycle is needed for
If fertilization does not occur, _____.
In DNA replication, a DNA strand is separated, and a
In this reaction, two elements are trading places. In the reactants, zinc and bromide ions are together, and potassium and hydroxide ions are together. In the products, zinc and hydroxide ions are together, and potassium and bromide ions are together.
In the following single-replacement reaction, ______ replaces ______.
\(Cl_2 + 2NaI \rightarrow 2NaCl + I_2\)
In which of the following phases are particles of a substance generally closest together?
Mendel discovered the pattern associated with _____after developing a series of rules in genetics.
The epidermis is made of _____ layers.
The first and second energy levels of a neutral atom are full, and the third energy level contains three electrons. To which group does this element belong?
What causes the tides?
What is a monomer of a carbohydrate?
What is made only during the light reaction phase of photosynthesis?
What is the pH of a neutral solution?
What metric prefix corresponds to an equivalent value of 1,000?
Which of Earth’s spheres contains all of the water on Earth?
Which of the following best explains why a block on a sloped surface remains stationary rather than sliding down the surface?
Which situation best illustrates Newton’s first law of motion?
Which trait is used to distinguish living things from nonliving things?
Which type of wave is mechanical?