Summarize the usefulness of the online catalog of human genetic traits developed and maintained by researchers at
Johns Hopkins UniversityWhat will be an ideal response?
The online catalog makes available information about any of more than 10,000 inherited
traits. Each trait can be accessed by using its unique number. Additional links can access
information about genes, chromosome locations, DNA sequences, and protein sequences
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Which of the following phyla is a member of the Radiata?
a. Nemertea b. Porifera c. Rotifera d. Ctenophora e. Echinodermata
Your friend claims that phloem always carries sugars down a plant. What, if anything, is wrong with that statement?
a. Phloem can carry sugars down a plant, but it can carry sugars up as well (e.g., if sugars are moving to flowers or fruits). b. Phloem can carry sugars down a plant, but it can also carry sugars to the left or to the right from its location (e.g. sugars can move to leaves). c. The statement is completely true. d. Phloem is responsible for carrying sugars down a plant while xylem carries them up.
If this molecule is destined to deliver an arginine to a ribosome for incorporation into a growing polypeptide, which one of the following 3' to 5' sequences would not be found in the region labeled (C)?
A. GCA B. GCC C. UCU D. AGG E. UCC
Four of the five answers listed below are organelles in the cytoplasm. Select the exception
a. nucleolus b. mitochondrion c. ribosome d. Golgi apparatus e. chloroplast