What is an oncogene?

a. genes that trigger apoptosis in malignant cancer cells
b. carcinogenic viral DNA inserted into human DNA
c. a gene that may cause cancer when it has been mutated
d. a duplicate of a damaged gene that prevents cancer


c. a gene that may cause cancer when it has been mutated

Biology & Microbiology

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Describe the process of reef formation, including the destructive and constructive phases

What will be an ideal response?

Biology & Microbiology

Describe how only thousands of different heavy and light chain genes could produce many millions of distinct antibodies

What will be an ideal response?

Biology & Microbiology

Why does transcription occur in the nucleus and not in the cytoplasm in eukaryotes?

A) RNA cannot exist in the cytoplasm. B) DNA cannot leave the nucleus. C) Ribosomes cannot leave the nucleus. D) Codons are only found in the nucleus.

Biology & Microbiology

The accumulation of free oxygen in Earth's atmosphere began with the origin of _____

A) life and respiratory metabolism B) cyanobacteria using photosystem II C) chloroplasts in photosynthetic eukaryotic algae D) land plants

Biology & Microbiology