What is genetic drift? 1. A mechanism for evolution in which a random DNA change occurs in a population 2. A mechanism for evolution in which a random event removes genes from a population

farmers plough the remains of their crops into the soil e why this is better than burning them

Maltose starch saliva?

Descreva a estrutura do dna proposta por james watson e fracis crick

The fluid mosaic model describes the structure of the cell membrane. To what does fluid portion of the model refer? To what does the mosaic portion refer?

When did photosynthesis first occur?

In order for an organism to survive, it must do what? A. Find food and water B. Reproduce C. Regenerate D. Select a habitat

What's up these organisms has an exoskeleton?

What correctly compares a jellyfish and a coral

Is animal dung a fuel

Which statement about the tumor suppressor gene p53 is false? (A) It is required for apoptosis in response to DNA damage. (B) It blocks cell cycle progression in response to DNA damage. (C) It plays a role in up to 50% of human cancers.