Which event will not alter an organism's karyotype?
A. Chromosome fusion
B. Allopolyploidy
C. Chromosome fission
D. Sequence inversion
E. Aneuploidy caused by nondisjunction of chromosomes during meiosis
Ans: D. Sequence inversion
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Answer the following statements true (T) or false (F)
1. The nervous system of a cnidarian consists of a central ganglion leading into a nerve net. 2. The two body forms of some Radiata is an example of alternation of generations. 3. A medusa and polyp have similar body plans. 4. All Platyhelminthes are parasitic. 5. The disease schistosomiasis is caused by a parasitic trematode.
What structural component makes fat an efficient macromolecule able to store high amounts of energy?
A. A lipid's size is small and can easily be broken, down releasing high amounts of energy. B. Lipids have many long chains of C-OH bonds, which store high amounts of energy. C. Fats have long chains of C-H bonds, which store high amounts of energy. D. The way in which adipose tissues are structured is a way for a high amount of energy to be accessed easily.
Where can you find ATP synthase in a plant cell?
a. in the thylakoid membrane b. in the mitochondrial inner membrane c. embedded in the plasma membrane d. only in the nucleus e. thylakoid and inner mitochondrial membranes
Different molecular forms of the same gene are
__________. Fill in the blank(s) with the appropriate word(s).