Based on your pedigree data, does the inheritance of color blindness appear to be related to the sex of the offspring?
a. Yes
b. No
a
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Match the following items with the correct phrases.
_______1. _______________ are chemical mediators that enable cells to communicate with each other. _______2. When attached to the surface of particles or cells, ____________________ can facilitate phagocytosis. _______3. Proteins produced by one bacterial species that kill other bacterial species are known as ____________________. _______4. ____________________ are small, antiviral proteins that are produced by virus-infected cells. _______5. ____________________ attract leukocytes to sites where they are needed. a. bacteriocins b. chemotactic agents c. complement fragments d. cytokines e. interferons
The polymerase chain reaction (PCR) is used as a tool for
A. breaking down DNA for analysis. B. amplifying the amount of DNA to provide a large sample. C. fragmenting DNA into smaller pieces. D. rearranging the gene sequences in isolated fragments of DNA. E. extracting DNA from nuclei.
Fungal diseases are usually divided into ________ groups according to the level of infected tissue and the mode of entry into the host.
Fill in the blank(s) with the appropriate word(s).
During alternation of generations in plants, haploid gametes are produced by mitosis
1.True 2.False