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Stack #1446922

QuestionAnswer
Biology is the study of The living world.
The process by which organisms keep their internal condition relatively stable is called Homeostasis
In the metric system, the basic unit of length is the meter
The basic unit of mass in SI is the gram
A solution is a(an) evenly distributed misture of two or more substances.
When salt is dissolved in water, water is the solvent.
A map of eastern North America, showing the pH of rainfall in the various states, indicates that the pH of rain in New York States varies from 4.22 to 4.40. According to these figures, the most acidic rainfall in New York State has a pH of 4.22
Which of the following organic compunds is the main source of energy for living things? carbohydrates
Which of the following is NOT a function of proteins? store abd transmit heredity
Which statement is true? RNA molecules are made of nucletides
When hydrogen and oxygen combine to form water, water is product
What is the term used to describe the energy needed to get a reaction started? activation energy
A substance that accelerates the rate of a chemical reaction is called a(an) catalyst
Enzymes affect the reactions in living cells by changing the speed of the reaction
The smallest units of life in all living things are cells.
Which of the following is an example of a prokaryotic cell? bacterium
Studying a picture of a cell taken with an electron microscope, you find that the cell has no nucleus and no mitochondria, but it does have a cell membrane and a cell wall. You conclude that the cell is probably from a(n) prokaryote.
The structure that regulates what enters and leaves the cell is called the cell membrane.
A structure within a cell that performs a specific function is called a(n) organelle.
A particularly active cell might contain large numbers of mitochondria.
In which of the following organelles is a cell's ATP produced? mitochondrion
Proteins are made in cells on the ribosomes.
The packaging and distribution center of the cell is the Golgi apparatus
Refer to the illustration above. The cell uses structure "3" to produce energy.
Refer to the illustration above. Structure "1" is the endoplasmic reticulum.
Refer to the illustration above. In eukaryotic cels, chromosomes are found in structure "2."
Refer to the illustration above. The cell shown is probably an animal cell because it does not have a cell wall.
The organelles associated with photosynthesis are the chlorplasts.
Plant cells have large membrane-bound spaces in which wter, waste products, and nutrients are stored. Thse places are known as vacuoles.
As a result of diffusion, the concentration of many types of substances eventually becomes balanced on both sides.
Diffusion takes place from an area of high concentration to an area of low concentration.
Which of the following does not expend energy? diffustion
The process by which water passes into or out of a cell is called osmosis.
Molecules that are too large to bemoved across a cell membrane can be removed from the cell by exocytosis.
Based on the cycle of photosynthesis and cellular respiration, one can say that the ultimate orginal source of energy for all living things on Earth is the sun
Created by: RM2017
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