Biology, 17.05.2021 22:30 wirchakethan23
A scientist is studying a fossil organism. The organism did not have any limbs and was shaped like an eel. Its skull and backbone were made of cartilage. Its backbone was all one piece instead of being composed of vertebrae. The organism did not have jaws or teeth. Based on the description, to what group is the organism most closely related?
A Lampreys
B Hagfish
C Cephalochordates
D Jawed vertebrates β
Answers: 3
Biology, 21.06.2019 23:10
This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2β c- c-oh | ch2 | sh
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Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.
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Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?
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A scientist is studying a fossil organism. The organism did not have any limbs and was shaped like a...
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