Epinephrine in animals and auxin in plants act as hormones
that triggers specific cellular responses that vary among different tissues of
the organism. The biosynthesis of epinephrine involves breaking just one
carbon-carbon bond in the amino acid tyrosine, Synthesizing epinephrine
requires breaking the bond between the carboxyl group (COOH) and the α-carbon
in tyrosine.
IiYy. This shows a recessive pair and a dominant pair
Answer:
Nyctophobia
Explanation:
Nyctophobia is known as the fear of darkness
Explanation:
Worms are invertebrate animals with bilateral symmetry. Worms have a definite anterior (head) end and a posterior (tail) end. The ventral surface of worms and other organisms is the bottom side of the body, often closest to the ground. The dorsal surface is located on the upper part of the body facing the sky. The lateral surfaces are found on the left and right sides of the body. Figure 3.35 compares bilateral symmetry in a whale shark and a swimming plychaete worm. Organs for sensing light, touch, and smell are concentrated in the heads of worms. They can detect the kinds of environment they encounter by moving in the anterior direction
