If oxygen atoms are in low concentration outside of a cell, but the cell requires more oxygen, how will the cell move the oxygen inside the membrane?

A. diffusion

B. osmosis

C. active transport

A geneticist examines the karyotype of a diploid cell from a particular species of frog and determines that 12 chromosomes are present. If a germ-line cell from this species divides by meiosis, then at the end of meiosis I each cell will have

Explain the diffrence between a disacharide and a polysaccaride

Which of the following pairs of elements would most likely form a salt? O and N Ca and Mg Cl and Li H and He

Even though the tundra has extremely cold climate, it can still support life

Describe two different niches in a savanna habitat. What is mutualism? Describe how mutualism affects organisms.

Imagine that you are talking with one of your friends about your biology course. He states that the somatic nervous system is subdivided into sympathetic and parasympathetic components, and is responsible for involuntary responses.

In both American cotton (Gossypium hirsutum) and Egyptian cotton (G. barbadense) petal spot is a dominant character over no petal spot.

How is it possible for percolating groundwater to remove mineral material as well as deposit it?

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Surgical removal of parts of the brain to determine their function relies on a technique called