What is a base?

a) a substance that is alkaline

b) a substance that can accept an OH ion

c) a substance that can donate an H + ion

d) a substance that has a low pH value

Swiss chemist Friedrich Miescher isolated DNA from fish sperm and put the pus of open wounds. True or False?

According to equiano, what physical hardships do the captives suffer during their passage across the atlantic ocean

How has the u. s. fish and wildlife service positively impacted ecosystems? a. by regulating private land use b. by conserving wildlife habitats c. by banning hunting and fishing d. all of the above

Most of the energy available to a consumer trophic level is used by organisms for

Why can sharks swim quickly through water

Describe what is happening to the chromosomes during each sub-phase of Meiosis I and Meiosis II.

What accounts for genetic biodiversity existing in modern multicellular organisms?

Torri and Tamara are both performing scientific investigations on the learning capabilities of mice. In Torri's experiment, she sets up two knobs in a cage with a mouse. When the mouse touches the knob on the left, it receives a small shock.

What did Chargaff discover while studying bases in the DNA of organisms?

Russia's system of government and identify its basic structure.