Answer:
The correct answer would be C.) Photosynthesis and cellular respiration are complementary processes that could not occur without one another.
Photosynthesis is the process by which green plants convert sunlight into chemical energy or food or glucose.
It produces glucose or food from simpler substances like carbon dioxide and water in presence of sunlight and chlorophyll.
The overall reaction can be written as:
6CO₂ + 6H₂O + sunlight → C₆H₁₂O₆ + 6O₂
In contrast, the cellular respiration converts the chemical energy of the food into ATP (adenosine triphosphate).
It oxidizes glucose completely in presence of oxygen to produce carbon dioxide, water, and energy (approximately 36-38 ATP).
It takes place in almost all organism including plants.
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy (ATP)
Thus, we can say that photosynthesis and cellular respiration are complementary to each other.
b. small sizes
c. varied shapes
d. methods of movement
Answer:
The Spiracles is/are used for gaseous exchange in insects.
Explanation:
The Spiracles is a respiratory structure or an opening found on the exoskeleton of insects. It acts as a medium of gaseous exchange not only for Insects (Insecta) but also for some Arachnid (spiders and others).
Answer:
The correct answer is option A. "DNA is negatively charged".
Explanation:
The molecules of Deoxyribonucleic acid (DNA) have a negative charge because of the negative charge of phosphate component located in its ribose-phosphate backbone. This property of DNA is used during gel electrophoresis to separate the molecules according to its size. One molecule of DNA has a one negative charge, and moves towards the bottom of the wall of the gel because is where the anode is located. The larger the size of the DNA the faster it will move to the anode.