Genetic engineering is a big thing because of this
Bottom Strand of DNA. The 1st codon has been done for you.
Remember: There is no thymine in RNA!!
Answer:
The growth of the plants is the dependent variable, the stuff added to each plant is the independent variable, the plants that don't receive treatment/other stuff are control variables.
Answer:
The correct answer is option C. secrete chemical messengers that travel in the bloodstream.
Explanation:
Endocrine glands are organ or gland that secrets hormones that are chemical messengers travel through the bloodstream instead of the duct. There are several glands that are part of the endocrine system such as the thyroid gland, pancreas, hypothalamus, and others.
These chemical agents are the travel through the blood and act on the site of action.
Thus, the correct answer is option C. secrete chemical messengers that travel in the bloodstream.
B. Chloroplasts -- site of lipid synthesis is incorrect. Chloroplasts are important in the process of photosynthesis.
