Answer:
Option D, a test for the presence of cells that contain DNA
Explanation:
As we know all living organisms are made up of cells and DNA is the basic genetic material that codes for protein and traits with an organism. If even a single cell with DNA is detected on the extraterrestrial planet then it will be clear that it has life on it or the environmental conditions are favorable to support life. Cells are microscopic and hence can be seen through microscope which can be installed easily on a probe.
Hence, option D is correct
Answer:
Explanation:
The reactants for cellular respiration are the products of photosynthesis. The products of cellular respiration are the reactants in photosynthesis.
- During photosynthesis, green plants manufacture their food using sunlight to synthesize glucose from water and carbon dioxide.
- The other product of the process is oxygen gas.
- During cellular respiration, the glucose is combined with oxygen to produce energy, carbon dioxide and water.
Answer:
I believe they are called a population, tell me if I'm wrong.
Answer:
C. Cytology is the study of cells, while histology is the study of tissues
Explanation:
Just learned about cytology, and searched up histology, and it is about tissues. Every other answer is wrong.
Hope this helped :)
Answer:
It needs to gain a Hydrogen atom to eliminate the double bond between the two carbons.
Explanation:
Unsaturated fat has one or more double bonds in its molecule. Saturated fat has a single bond. If you want an unsaturated fat to become saturated it needs to gain more more hydrogen atoms which will eliminate the double bonds between carbons of the unsaturated fat.
Hope this helped :)