A scientific theory is based on thorough observation and experimental evidence. Before the 1950s, genetic material was believed to be stored in proteins. However, in 1952, scientists experimentally proved that genetic materials are instead stored in nucleic acids, such as DNA and RNA. All the previous scientific knowledge about genes was still included in the new DNA gene theory, it was just modified to include that genes are coded by DNA and not proteins. Which of the following is true?

answer: 4

explanation: 8

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.