The primary organ of photosynthesis in a plant is the

A. leaf.
B. stomata.
C. bark.
D. stem.
E. chlorophyll.


Answer: A. leaf.

Biology & Microbiology

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The duplication of a cell's DNA is called ________.

A. replication B. mitosis C. transcription D. mutation E. translation

Biology & Microbiology

Mammals are thought to be living descendants of which lineage?

a. lepidosaurs b. anapsids c. archosaurs d. synapsids

Biology & Microbiology

What pattern of inheritance "breaks the law" of independent assortment?

What will be an ideal response?

Biology & Microbiology

We can learn about the climate of different periods throughout history by studying what aspect of the bubbles trapped in ice core samples?

A) The temperature of the air inside the bubbles B) The average volume of the bubbles C) The levels of different gases in the bubbles D) The average pressure of the air inside the bubbles

Biology & Microbiology