What stages of mitosis or meiosis are these cells in?
1.A is in anaphase of mitosis; B is in anaphase I of meiosis
2.A is in anaphase of mitosis; B is in anaphase II of meiosis
3.A is in anaphase I of meiosis; B is in anaphase II of meiosis
4.A is in anaphase I of meiosis; B is in anaphase of mitosis
4
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Predators often avoid a mimic species because of ____
a. bad taste b. toxic secretion c. resemblance to a well-defended species d. painful sting e. cryptic coloration
If a human diploid cell and a human haploid cell somehow managed to fuse together and not lose any of the chromosomes, how many sets of chromosomes would be inside the newly formed cell?
A) 3 B) 2.5 C) 2 D) 1.5
Which of the following statements is not true?
A.) when a carbon atom in a C-H bond has somewhat more than its share of electrons, it is said to be reduced B.) hydrogenation reactions are oxidations, and dehydrogenation reactions are reductions C.) when a sugar molecule is oxidized to CO2 and H2O, the O2 molecules involved in forming the H2O are reduced D.) oxidation and reduction reactions always occur simultaneously
As you are walking along a beach, you find an animal and believe that it belongs to the class Asteroidea. Which of the following characteristics would support your hypothesis that the animal is a sea star and not another type of echinoderm?
A) It is pentaradially symmetric. B) It feeds on other animals. C) It has a hydrostatic skeleton, formed from its water vascular system. D) Its central region is not well-delineated from its appendages.