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| 1 | |
Hooke, Lamark, and Dutrochet are all credited with developing the |
| | A) | animalcule theory. |
| | B) | light microscope. |
| | C) | electron microscope. |
| | D) | cell theory. |
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| 2 | |
The term "spontaneous generation" refers to the theory that animals can originate from dust. |
| | A) | True |
| | B) | False |
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| 3 | |
________ use such high magnification that even atoms are discernable. |
| | A) | Transmission electron microscopes |
| | B) | Scanning tunneling microscopes |
| | C) | Scanning electron microscopes |
| | D) | Stereomicroscopes |
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| 4 | |
The root word "karyon" in the terms "prokaryotic" and "eukayotic" refers to the presence or absence of a cell wall. |
| | A) | True |
| | B) | False |
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| 5 | |
Small metabolites, such as sugar and ions, pass between plant cells via _______. |
| | A) | plasmodesmata |
| | B) | middle lamella |
| | C) | lignin |
| | D) | microtubules |
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| 6 | |
Which structure is composed of phospholipids and regulates the movement of substances in and out of cells? |
| | A) | plasmodesmata |
| | B) | endoplasmic reticulum |
| | C) | plasma membrane |
| | D) | nucleus |
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| 7 | |
The endoplasmic reticulum and ribosomes are both involved in the formation, storage, and transportation of DNA. |
| | A) | True |
| | B) | False |
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| 8 | |
_______ are plastids containing carotenoid pigments, and _______ are plastids containing starches. |
| | A) | Proplastids, chromoplasts |
| | B) | Elaioplasts, chloroplasts |
| | C) | Chromoplasts, amyloplasts |
| | D) | Chloroplasts, elaioplasts |
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| 9 | |
The cristae found in peroxisomes greatly increase the enzyme activity needed to convert fats to carbohydrates. |
| | A) | True |
| | B) | False |
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| 10 | |
Which of the following is not found in cell sap? |
| | A) | carotenes |
| | B) | anthocyanins |
| | C) | organic acids |
| | D) | soluble proteins |
| | E) | none of the above |
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| 11 | |
Microtubules are involved in the movement of flagella and cilia, as well as in cell division. |
| | A) | True |
| | B) | False |
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| 12 | |
In which interval of interphase is DNA duplicated? |
| | A) | G1 |
| | B) | S |
| | C) | G2 |
| | D) | Mitosis |
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| 13 | |
During cell division spindle fibers attach themselves to the _______ located on the chromosomes. |
| | A) | stigma |
| | B) | microfilament |
| | C) | cytoskeleton |
| | D) | kinetochore |
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| 14 | |
Cell plate formation and the reformation of the nuclear envelope are features of metaphase. |
| | A) | True |
| | B) | False |
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| 15 | |
Which of the following is generally absent from animal cells? |
| | A) | centrioles |
| | B) | vacuoles |
| | C) | plasmodesmata |
| | D) | cell membrane |
| | E) | B and C are correct |
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