Cartilaginous fishes have internal fertilization

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

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In general, one could say that there are fewer levels of regulation possible in prokaryotes than in eukaryotes

Indicate whether the statement is true or false

Biology & Microbiology

The active site of an enzyme is a product of its ________

Fill in the blank(s) with correct word

Biology & Microbiology

A. If 0.5 mole of glucose weighs 90 g, what is the molecular mass of glucose?

B. What is the concentration, in grams per liter (g/L), of a 0.25 M solution of glucose? C. How many molecules are there in 1 mole of glucose?

Biology & Microbiology

C4 plants have evolved different photosynthetic mechanisms. These plants _____.

a. are adapted to living in cold, wet climates where there is no water shortage b. conserve water more efficiently by shutting their stomata during the day c. fix CO2 into a four-carbon compound instead of a three-carbon compound d. do not fix CO2 through the Calvin cycle e. fix O2 instead of CO2

Biology & Microbiology