According to Oparin's theory of the origin of life,
A. the atmosphere of primitive Earth was an oxidizing atmosphere.
B. organic molecules were formed in the atmosphere and collected in the oceans.
C. the first living things would have used sunlight for energy.
D. All of these answers are true.
B. organic molecules were formed in the atmosphere and collected in the oceans.
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Betaproteobacteria is a functionally diverse group that primarily uses anaerobic metabolisms
Indicate whether the statement is true or false.
The extracellular matrix of blood consists of ____
a. fibronectin b. elastin c. plasma d. basal lamina e. interstitial fluid
In plants, molecules that perceive the quality and quantity of light are
A. pressure receptors. B. photoreceptors. C. gradient receptors. D. mechanoreceptors. E. chemoreceptors.
What are the cells produced in Meiosis II?
What will be an ideal response?