What are the four levels of protein structure is maintained after denaturing?

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Abotanist working in the amazon rain forest discovers a new species of orchid. interestingly, males but not females of a certain wasp species keep visiting the flowers of these orchids. why?