Answer:
A thylakoid is a sheet-like membrane-bound structure that is the site of the light-dependent photosynthesis reactions in chloroplasts and cyanobacteria. It is the site that contains the chlorophyll used to absorb light and use it for biochemical reactions.
Explanation:
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A hypothesis should be tested by changing one variable in an experiment.
Answer:
Peer review
Explanation:
<em>Before a research can be published, it is subjected to scrutiny by experts that are versed in the same field. The scrutiny ensures that research authors observed the required standards expected in their fields and ensure that personal biases and unwarranted claims are eliminated before the research is published.</em>
This is otherwise known as peer review.
Answer:
Explanation:
Evidence suggests an asteroid impact was the main culprit. Volcanic eruptions that caused large-scale climate change may also have been involved, together with more gradual changes to Earth's climate that happened over millions of years.
