<span>A student researching a new discovery about the activity of mitochondria could find the most current and reliable information in a Scientific Journal. This kind of materials provides the latest trends and updates on scientific researches in biological-related fields. They can be found almost always online and a person can subscribe to such materials in case editing is done by the publisher or the author.</span>
Answer: The correct answer is 3) A segment of a DNA molecule that contains the instructions for producing a trait in an organism.
Gene is a segment of DNA molecule that contains instructions ( in the form of nucleotide sequences), which are required for producing a specific trait ( characteristic) of an organism.
For this, gene is first transcribed into mRNA ( messenger RNA), which is then translated to produce a particular protein. The protein thus formed gives a specific characteristic to the organism.
Thus, option 3) is the best description for a gene.
The element starts off as 100%. half of 100% is 50% and half of 50% is 25%. the element has emitted 2 times the half life which is 10,000 x 2 = 20,000
the fossil bone is 20,000 years old
Answer:
People throw their trash and pollution into the fresh water and make it not as fresh or safe to the animals as much as it could be.
Explanation:
Answer:
rhizoids are not part of a vascular plant
