Which of the following could be the cause of the 12 year old boy’s condition, pictured here to the right of his mother?
1.acromegaly
2.a benign pituitary tumor
3.GH receptors failed to properly respond during childhood
4.GH failed to surge as it normally should during the teenage years
2
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What are isomers?
A. Two elements that can bond with each other B. Two molecules that have the same arrangement of atoms C. Two atoms that have the same ionic properties D. Two molecules that have the same atoms arranged differently
Which of the following best describes the relationship between DNA, proteins, and RNA?
a. DNA is transcribed into RNA, then RNA is translated into proteins. b. DNA is transcribed into proteins, then proteins are translated into RNA. c. DNA is translated into RNA, then RNA is transcribed into proteins. d. DNA is translated into proteins, then proteins are transcribed into RNA
Cells use energy for which of the following?
A. to do work B. to synthesize proteins C. to expel waste D. to move substances across membranes E. All answers are correct
Some terrestrial plants use bicarbonate (HCO3-) as a carbon source for photosynthesis
Indicate whether the statement is true or false