In your observations of a new rotifer species, you note that diploid females can lay diploid eggs that in turn become diploid female adults. What do you conclude about this behavior?
A. This is asexual reproduction by way of parthenogenesis.
B. This asexual reproduction by way of budding of a new individual from the parent.
C. This is sexual reproduction by way of parthenogenesis.
D. This is sexual reproduction because sperm must have been stored in the female for later fertilization of her eggs.
E. This is sexual reproduction by way of diploid females laying haploid eggs that hatch into haploid males who in turn produce sperm that fertilizes other haploid eggs.
A. This is asexual reproduction by way of parthenogenesis.
While this is parthenogenesis, it is not asexual reproduction. Asexual reproduction would not involve the production of eggs.
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Match the specialized sense to the role it plays.
1. magnetic field receptors 2. pit organs 3. ampullae of Lorenzini ___ sense infrared radiation in prey ___ sense electrical currents from muscles ___ help long-distance migratio
Rosalind Franklin is credited with ____
a. discovering DNA’s double helical structure b. discovering DNA c. first isolating DNA d. building the first DNA model e. cloning DNA
Which of the following molecules transfers information from the nucleus to the cytoplasm?
A) mRNA B) Lipids C) DNA D) tRNA E) Proteins
Which statement is false about complex IV?
A) A binuclear center that contains an iron ion and heme-a3 is the site of the reduction of molecular oxygen to water. B) Bacterial and eukaryotic forms of complex IV have very similar structures and number of subunits per functional unit. C) The core structure of the cytochrome c oxidase in complex IV has three conserved subunits. D) Copper ions shift from a +2 oxidation state to a +1 oxidation state as electrons are passed through the complex.