Answer:
B: sample 4
Explanation:
This is because amino acids are basic units for proteins
The third one,
Autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy. Plants also use glucose to make cellulose, a substance they use to grow and build cell walls.
Answer:
Two chromosomes that are similar but not identical are called homologous chromosomes. When the chromosomes are duplicated, two identical chromosomes are called sister chromatids.
Explanation:
A. At the end of meiosis I each cell has twice the number of chromosomes as was in the original cell.
Answer:
movement to and fro or around something, especially that of fluid in a closed system.
