Answer the following statements true (T) or false (F)
1.A dinoflagellate has both a transverse flagellum and longitudinal flagellum.
2.Golden algae, diatoms, and brown algae contain yellowish pigments.
3.Alternation of generations means having alternating, multicelled haploid and diploid phases in a life cycle.
4.All protists are single-celled.
5.Protists can be heterotrophs.
1.TRUE
The external cell structure arrangement allows for swimming with control within small water currents.
2.TRUE
Each group of photosynthetic protists is characterized by a distinct set of pigments.
3.TRUE
This is an adaptation in the life cycle that allows exploitation of habitat variation
4.FALSE
5.TRUE
Key to this statement is that you remember the metabolic requirements among the protists, and note the critical wording in the statement.
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Identify the 2 main lymphatic ducts
A) thoracic duct B) lumber trunk C) intestinal truck D) right lymphatic duct
Mendel’s principle of segregation is directly related to an event that occurs in ______ of meiosis
A. prophase I B. metaphase I C. anaphase I D. prophase II E. metaphase II
A zygote is a(n) ____
a. diploid cell b. haploid cell c. gamete d. female gonad e. male gonad
Following ovulation, rising levels of estrogen
A) stimulate the endometrium to continue to proliferate. B) inhibit the production of progesterone. C) initiate a hormone cascade that triggers LH to rise, then FSH, followed by a sharp decline in GnRH. D) promote the release of the "old" endometrium. E) prevent implantation of the zygote.