Answer the following statements true (T) or false (F)
1) The period between meiosis I and II is termed interkinesis.
2) Crossing-over occurs during prophase I of meiosis.
3) Crossing-over allows the reassortment of linked genes.
4) The region where the homologous chromosomal pairs align is the metaphase plate.
5) Orientation of each chromosomal pair on the spindle axis is random.
1) TRUE
2) TRUE
3) TRUE
4) TRUE
5) TRUE
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Features that are useful for identification of fungal species include
A. presence of a membrane bound nucleus. B. size, shape color and number of spores. C. ability to produce chlorophyll a. D. All of the choices are correct.
Human saliva contains ____ enzymes
a. aminopeptidase b. amylase c. chymotrypsin d. pepsin e. trypsin
In a flowering plant life cycle, which of the
following structures are diploid?
a. megaspores b. male gametophytes c. eggs d. sporophytes e. none of these structures are diploid
The range of all factors that influence whether
a species can obtain resources essential for survival and reproduction is its a. habitat. b. niche. c. carrying capacity. d. ecosystem. e. community.