(1) Cells And Heredity Question Preview (ID: 15836)
Unit 1 Lesson 1: The Characteristics Of Cells.
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Which statement correctly tells why the cells of unicellular and multicellular organisms divide?
a) The cells of unicellular divide to reproduce; those of multicellular divide to replace cells and to grow.
b) The cells of unicellular divide to replace cells and to grow; those of multicellular divide to reproduce.
c) The cells of both kinds of organisms divide to reproduce.
d) The cells of both kinds of organisms divide to replace cells and to grow.
Prem finds an unusual object. After he examines it under a microscope, he concludes that the object is a living thing. Which of the following observations most likely led to his conclusion?
a) The object contained carbon.
b) Prem saw cells in the object.
c) The object had a green color.
d) Prem saw minerals inside the object.
Which term describes one or more cells that carry out all of the processes needed to sustain life?
a) DNA
b) organelle
c) organism
d) cytoplasm
Which of the following statements describes a characteristic of eukaryote?
a) It has no cytoplasm.
b) It has DNA in a nucleus.
c) It is made of many cells.
d) It has DNA in its cytoplasm.
Eukaryotic cells and prokaryotic cells have some parts in common. Which of the following pairs of parts would you find in both types of cells?
a) cell membrane and cytoplasm
b) DNA and membrane-bound organelles
c) cell membrane and membrane-bound organelles
d) cytoplasm and nucleus
What term describes the smallest unit that can perform all of the functions necessary for life?
a) a single cell
b) a cell nucleus
c) a cell membrane
d) a multicellular organism
Jayden knows that multicellular organisms are more complex than unicellular organisms. Which of the following is a characteristic of multicellular organisms?
a) obtaining food
b) having organelles
c) being able to move
d) having specialized cells
Eukaryotic cells and prokaryotic cells have some parts that are different. Which of the following would you find only in a eukaryotic cell?
a) membrane-bound organelles and a nucleus
b) a nucleus and organelles without membranes
c) a cell membrane and organelles without membranes
d) membrane-bound organelles and DNA in cytoplasm
Some organisms consist of one cell. Other organisms consist of multiple cells. Which of the following is true of cells in a multicellular organism?
a) All cells have the same function.
b) Every cell has a different function.
c) Different types of cells have the same function.
d) Different types of cells have different functions
According to Theodor Schwann, all parts of organisms made up of which of the following?
a) cells
b) nuclei
c) organs
d) organelles
What did Rudolf Virchow observe about cell division?
a) Cells have nuclei.
b) Cells move around.
c) Cells have cell membranes.
d) Cells come from other cells.
Eukaryotic cells and prokaryotic cells have some parts that are different. Which of the following would you find only in a eukaryotic cells?
a) a nucleus
b) a cell membrane
c) DNA in the cytoplasm
d) organelles without membranes
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