A(n) (symport/antiport/uniport) is a carrier protein that transports two substances in the same direction across a membrane.
Fill in the blank(s) with the appropriate word(s).
symport
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Cultures of genetically identical cells are called ____
a. bacteriophages b. clones c. prophages d. prions e. auxotrophs
Match the microbe with an example of its importance to humans.
A. This group includes beneficial microorganisms that fix nitrogen, make antibiotics, vitamins and enzymes, as well as harmful microorganisms that cause disease such as plague and strep throat. B. Members of this group have caused "mad cow disease" and Creutzfeld Jacob disease. C. Members of this group include decomposers, associate with plant roots and help plants grow, produce antibiotics, help bread rise, and help make wine. D. Members of this microbial group cause serious diseases such as smallpox, AIDS, and Ebola fever. E. Members of this group are photosynthetic, include unicellular and multicellular forms, and are the foundation of aquatic food chains.
What does an organism need to perform cellular respiration, and what does cellular respiration produce?
What will be an ideal response?
The p53 gene is a tumor-suppressing gene that prevents damaged cells from undergoing cell division. If this gene ceases to function due to a mutation, what will happen to the cell?
A) Tumors will be suppressed. B) The cell will be prevented from undergoing division. C) The cell will die. D) Uncontrolled cell division will occur.