Answer:
Kenji must conduct a scientific investigation for a science project. Which step should Kenji complete first?
Develop a testable question based on research or prior knowledge.
Explanation:
scientific method
C) DNA is made of 4 types of nucleotides
Not all organisms have 46 chromosomes (23 homologous pairs). Not all organisms have nuclei (e.g. bacteria do not have nucleus)
The correct answer is D. Cell Membrane because the cell membrane contains two phospholipid layers with the protein molecules attached to them throughout.
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They have resulted in the extinction of native species
Answer: Eclipses do not happen at every new moon, of course. This is because the moon's orbit is tilted just over 5 degrees relative to Earth's orbit around the sun. ... After this interval, the relative positions of the sun and moon relative to a node are nearly the same as before.
Explanation:
