Glucose molecules are to starch as ________ are to proteins
A) oils
B) amino acids
C) fatty acids
D) monosaccharides
Answer: B
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If you were to travel to a region where rice is grown in paddies, you would see lots of the water fern Azolla growing in the water. A farmer would tell you this is done because Azolla is considered a “natural fertilizer. Explain why this is the case.
What will be an ideal response?
Cells are often ground up with abrasive to get to their internal enzymes/molecules, followed by removal of the abrasives
Here are two situations and two outcomes. What is the correct interpretation of the results? In situation #1, radioactive amino acids are mixed with ground-up cell material. Radioactive proteins are produced. In situation #2, radioactive amino acids AND the enzyme RNAse (an enzyme that degrades RNA) are mixed with ground-up cell material. No radioactive proteins are produced. A. The mRNA from the cell can be used to make proteins with the radioactive amino acids in the first situation. In the second situation, the mRNA is destroyed by the RNAse before it can be translated into protein containing the radioactive amino acids. B. The DNA from the cell can be translated into protein using the radioactive amino acids in the first situation. The RNAse in the second situation degrades the ribosomal RNA (rRNA), preventing ribosomes from forming and making proteins with the radioactive amino acids. C. The radioactivity in the amino acids corrupts the tRNA molecules, leading to no protein production in the second scenario. D. The results cannot be interpreted-there isn't enough information given in the question.
Which organism depends on photosynthesis for its life?
A. a coral B. an oak tree C. a human D. a sea slug E. All of the answer choices are correct.
The region within the prokaryotic cell where the DNA is located is known as the ________
Fill in the blank with correct word.