Answer:
DNA is the information molecule. It stores instructions for making other large molecules, called proteins. These instructions are stored inside each of your cells, distributed among long structures called chromosomes. These chromosomes are made up of thousands of shorter segments of DNA, called genes.
Explanation:
That's because glaciers have rocks embedded in them, which cause these striations.
Answer: 16 possible stereoisomers
Explanation: n=4 so therefore there are 2*n= 2*4= 16
Answer:
In metastasis, cancer cells break away from where they first formed (primary cancer), travel through the blood or lymph system, and form new tumors (metastatic tumors) in other parts of the body. The metastatic tumor is the same type of cancer as the primary tumor.
The answer is B. Secondary Succession
There are only two types of biological and ecological succession in plants. These are primary and secondary succession. Primary succession involves the new and unspoiled land which has never been occupied by vegetation. Examples are landforms from lava/magma.
Secondary succession involves land that already has soil and has previously been occupied by vegetation that has been destroyed by disturbances such as fire.