Question 5 (1 point) Scientists can radioactively label elements to track them in a chemical reaction. The asterisk shows radioactive oxygen.
6CO2 + 12H,0* + energy - CH2O6 +60*2 + 6H20
carbon water
glucose oxygen water
dioxide
Based on the chemical equation, where does the radioactive Oxygen gas made from photosynthesis come from?
carbon dioxide
O a
Ob
Oc
water
air
Od
energy

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.

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

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