Answer:
In uranium-lead dating, for instance, the radioactive decay of uranium into lead proceeds at a reliable rate. Based on the very old zircon rock from Australia we know that the Earth is at least 4.374 billion years old.
And that's how after rounding we know that earth is 4.5 years old.
Answer:
cells lose their ability to maintain their sodium-potassium pumps, and eventually, they die.
Explanation:
If glycolysis is interrupted, these cells lose their ability to maintain their sodium-potassium pumps, and eventually, they die. The last step in glycolysis will not occur if pyruvate kinase, the enzyme that catalyzes the formation of pyruvate, is not available in sufficient quantities
Answer:
The nucleotide sequence of a corresponding DNA strand would be TCGAATTCG.
It can be explained with the help of complementary base-pairing nature of the DNA strands that is, the nucleotide bases of the two strands are complementary in nature.
The purines (adenine and guanine) always base-pair with pyrimidines (thymine and cytosine).
More specifically, adenine always base-pair with thymine with the help of two hydrogen bonds and guanine always base-pair with cytosine with the help of three hydrogen bonds.
The most common cause is the accuracy of the measurement instruments. And the observation of operator is also an important factor. That's why one measurement should do three times and use the average.
Hope this helps!
-Payshence xoxo
Answer:
Outermost layer
Explanation:
Onion epidermal cells act as a barrier against infections and fungus that might injure the delicate tissues. Onion epidermal cells are frequently used to educate children to botanical anatomy or to explain plasmolysis due to their simple and basic structure and transparency.Onion epidermal cells is used for cover onion from weather too.