Answer:
B
Explanation:
A peptide is a short chain of amino acids. ... Meanwhile, proteins are long molecules made up of multiple peptide subunits, and are also known as polypeptides. Proteins can be digested by enzymes (other proteins) into short peptide fragments. Among cells, peptides can perform biological functions.
Answer: True.
Repeated use of marijuana affects the parts of the brain that controls memory, attention, and learning. "Cannabinoids work by influencing the endocannabinoid system, specifically the brain and central nervous system. THC gets its potent effect because it binds well with the Cannabinoid 1 receptor (known as CB1), while CBD exhibits low affinity for either CB1 or CB2 receptors. Instead, CBD acts as an indirect antagonist of these receptors."
Cited From: https://www.findclearchoice.com/does-marijuana-cause-memory-loss/
The first trimester is when the embryo attaches to the placenta by the umbilical cord and the placenta make contact with the uterus.
