Eukaryotes generally do photosynthesis thanks to specialized cellular organelles called ___________ that originally resulted from endosymbiosis of cyanobacteria.
Fill in the blank(s) with the appropriate word(s).
Answer: Chloroplasts
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Prior to secretion, Gram-negative bacterial proteins are translocated across one membrane while Gram-positive proteins are translocated across two membranes.
Answer the following statement true (T) or false (F)
What is thought to be the maximum temperature for life to exist?
A) 125 °C B) 150 °C C) 250 °C D) 500 °C
What do you conclude from this information?
You discover a gene that results in a complete lack of hair in rats, and you name the gene "chromedome." A cross of homozygous normal and homozygous bald rats results in all bald rats. You conclude that the baldness allele is dominant, but when you repeat the cross with different rats none of the offspring are bald. Extremely puzzled you study your records and discover that in the first cross the bald rat was female, while in the second cross the bald rat was male. A. Chromedome is imprinted in females. B. Chromedome is imprinted in males. C. Chromedome is dominant in males and recessive in females. D. Chromedome is dominant in males and recessive in females. E. Chromedome is an X-linked gene.
An example of a member of the class Anthozoa of the phylum Cnidaria is:
a. Portuguese man-o-war. b. jellyfish. c. sea anemone. d. sea wasp. e. hydroid.