CO2 fixation: Reverse TCA
What will be an ideal response?
--acetyl phosphate is a global signal of the nutritional environment
--excreted until needed for further catabolism
--Requires less energy to run than Calvin Cycle
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Which of the following is not a typical component of an animal cell's plasma membrane?
A. protein B. lipid C. nucleic acid D. carbohydrate
If a cell has 36 chromosomes at the beginning of G1, how many chromosomes will be present at the end of G2?
a. 36 b. 18 c. 72 d. 64 e. 44
Nature is __________ in the universe except what
humans have__________. a. living; destroyed b. everything; manufactured c. macromolecular; genetically engineered d. verifiable life-forms; selectively bred e. matter; artificially created
Scientists use mitochondrial DNA to track the migration of humans across the planet. After a group migrates away from their ancestral homeland, any mutations that occur are not mixed with those left in the ancestral population. Therefore, mitochondrial DNA samples taken from ____ would have the fewest unique mutations, representing the original and oldest DNA sequences.
A. Asia B. Australia C. Europe D. Africa E. the Americas