Answer:
Cell membrane
Explanation:
Cell membrane is found in both animal and plant cells
Answer:
A.
Explanation:
Lac Operon is defined as an operon that is used by E.coli for transporting and metabolizing lactose.
Allolactose is a disaccharide like lactose, that binds to lac repressor and restrict its binding with DNA. It triggers expression of a operon or gene.
So, adding allolactose to the bacterial growth media, block the activity of lac repressor and trigger the activity of bacteria to metabolize the sugar lactose.
Hence, the correct answer is "A."
Answer:
The Grants wanted to find out whether they could see the force of natural selection at work, judging by which birds survived the changing environment. For the finches, body size and the size and shape of their beaks are traits that vary in adapting to environmental niches or changes in those niches.
A meteroite is a meteor that struck earth
a meteorode is a small rock in space that could eventually turn into a meteor
asteroids are a cluster of meteors
comets are icy meteors, seeing that the oort cloud is mostly ice i would say that the answer is comets.