Which of following statements are true? check all that apply.
the human body consists of only eukaryotic cells.
human cells can be both prokaryotic and eukaryotic.
the human body consists of eukaryotic cells and prokaryotic cells.
many of the prokaryotes that live in the body have no noticeable positive or negative effect.

Which class of molecules contains the amino group, nh2 (a) sugars (b) water (c) proteins (d) hydrocarbons

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.

The activity of the modern sample is 1.10 bq . how long does that measurement take?