What are the two products of photosynthesis? a. carbon dioxide and glucose b. oxygen and water c. water and carbon dioxide d. glucose and oxygen
d. glucose and oxygen
The division of a cell's nucleus before cell division is called
mitosis
A group of two or more types of tissue that work together to carry our one specific function
organ
Unlike the cell of a unicellular organism, the cells of a multicellular organism a. are alive be. have only one nucleus c. perform a variety of specialized functions d. come from existing cells
c perform a variety of specialized functions
A living think that can perform its life functions independently is called a. a zygote b. an organ c. an organism d. a microbe
c
Meiosis results in two cells that are identical to the original cell. Is this statement true or false?
false, meiosis results in four cells, each with half as many chromosomes as the original cell.
The process by which cells convert molecules such as glucose into usable energy is called
cellular respiration
Which is an effective way of slowing mold growth on bread? a. keep it in a moist, warm place b. keep it in a dry, warm place c. keep it in a dry, cool place d. keep it in a moist, cool place
c. keep it in a dry, cool place
The stomach is a ________ of the body.
organ
The joining of an egg and a sperm is called
fertilization
When a group of similar cells works together to perform a specific function, they form a. an organ b. a tissue c. an organ system d. an organism
b
The smallest unit of living things that can carry out life processes are a. elements b. cells c. compounds d. microbes
b
A bacterium is an example of a kind of microscopic organism, or
microbe
In which phase of mitosis do chromosome pairs line up? A. prophase B. metaphase C. anaphase D. Telophase
B
The tissue that carries messages throughout the body is called a. connective tissue b. epithelial tissue d. muscle tissue d. nerve tissue
d nerve tissue
The process by which a cell's nucleus divides before the cell splits into two identical cells is called a. meiosis b. fertilization c. mitosis c. sexual reproduction
c. mitosis
A group of similar cells that work together to perform the same function form a(n)
tissue
Which process involves microorganisms fusing, exchanging, genetic information and, then breaking apart? a. budding c. binary fission c. spore formation d. conjugation
d. conjugation
Osmosis and diffusion are types of
passive transport
The cell that forms after a sperm joins the egg is a(n)
zygote
A form of asexual reproduction observed in yeast is
budding
A new substance formed when two or more elements combine chemically is called a. a compound b. a protein c. an atom d. an organ system
a
What happens during cellular respiration?
Cells use oxygen to break down glucose and convert it into energy that cells can use. This process produces water and carbon dioxide as waster products.
How can you observe unicellular organisms?
You can observe most unicellular organisms with a microscope
Anton van Leeuwenhoek was the first person to observe a. a cell b. a unicellular organism c. the nucleus of a cell d. a multicellular organism
b a unicellular organism
Oxygen, carb, nitrogen, and hydrogen are all examples of a. nucleic acids b. lipids c. carbohydrates d. elements
d
As a result of ______ molecules move through cell membrane with the use of the cell's energy.
active transport
A cell is the smallest part of a living thing that is capable of life. Is this statement true or false.
True, like any other living thing, a cell can grow, reproduce, respond, to the environment, and obtain and use energy
A form of asexual reproduction in which an organism divides in two is called
binary fission
Water passes through cell membranes by a. mitosis b. meiosis c. osmosis d. binary fission
c
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