Which of the following is not present during the Calvin cycle?

A. CO2
B. ATP
C. NADPH
D. O2
E. All are present during the Calvin cycle.


Answer: D

Biology & Microbiology

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Which of the following statements about endosymbiosis is FALSE?

a. endosymbiosis has taken place many times among true, multicellular animals b. genes from organelles that originated through endosymbiosis are largely transferred to the host cell nucleus c. The genes that code for ribosomes in mitochondria and chloroplasts are more like those in prokaryotes than in eukaryotes d. mitochondria and chloroplasts divide on their own through binary fission e. endoysymbiosis occurred many times in unicellular animals

Biology & Microbiology

Which carbohydrate is an important source of energy in most living species?

a. Glucose b. Lactose c. Fructose d. Dextrose

Biology & Microbiology

Match the skeletal muscle protein on the left with its function on the right

A) binds along the length of thin filaments to regulate myosin head association B) links thick filaments to Z line C) stabilizes thin filaments D) major component of thin filaments E) bundles parallel arrays of actin filaments at Z line F) major component of thick filaments G) M line myosin filament-binding protein H) mediates Ca2+ regulation of contraction I) major protein of sarcoplasmic reticulum J) attaches actin filaments to Z line 1) actin 2) myosin 3) tropomyosin 4) troponin 5) titin 6) nebulin 7) myomesin 8) ?-actinin 9) Ca2+-ATPase 10) CapZ

Biology & Microbiology

The maximum possible rate of increase is a species' __________ potential.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology