🔬 Science & Research

Biology basics

Cells, DNA, evolution and ecosystems: the core ideas that the rest of biology hangs on.

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Question 1 of 8

The main job of mitochondria is to:

Question 2 of 8

DNA's four bases pair as:

Question 3 of 8

Natural selection requires:

Question 4 of 8

Which cell structure do plant cells have that animal cells do not?

Question 5 of 8

Photosynthesis converts:

Question 6 of 8

Mitosis produces:

Question 7 of 8

In an ecosystem, energy transfer between trophic levels is roughly:

Question 8 of 8

An enzyme is denatured when:

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