Which structure in a cell is composed mainly by proteins and lipids and aids in maintaining homeostasis within a cell? a. cytoplasm b. cell membrane c. nucleolus d. centrosome

Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated