Answer:
Base pairs are found in double-stranded DNA and RNA, where the bonds between them connect the two strands, making the double-stranded structures possible. Base pairs themselves are formed from bases, which are complementary nitrogen-rich organic compounds known as purines or pyrimidines.
Base pair | molecular biology | Britannicahttps://www.britannica.com › ... › Anatomy & Physiology
Explanation:
The nervous system has two main parts: The central nervous system is made up of the brain and spinal cord.
First option:
Ecosystem --> population —> community —> organism
Answer:
Most of the carbohydrates in the meals you consume are digested and crushed down inside glucose before accessing the bloodstream. Glucose in the blood is used up within your body's cells and applied to provide a fuel molecule called adenosine triphosphate (ATP) through a sequence of complex processes known as cellular respiration.
Explanation:
1. Populations changing over generations
2. Gradual change
3. Speciation
4. Natural selection
5. Common descent
