Answer:
carbon-With four electrons that can be shared to make covalent bonds, carbon-based molecules display an enormous variety of size, shape, and properties.
Explanation:
A. The following statements are hypotheses:
1. Glucose may cause an increase in bacterial growth.
2. Increased glucose may lead to capsule formation in bacteria.
B. The following statements are observations:
1. The bacterial colony grown without glucose do not have capsules around their cells.
2. Bacteria growth in the glucose environment increase rapidly and then stopped after sometime.
Answer:
b
Explanation:
To denature a protein is to alter its three dimensional structure. Loss of protein structure consistently correlates with loss of protein function, so it is a strong correlation.
The answer is intercalated discs. They allow the heart muscle cells to function as one organ due to a phenomenon known as syncytium. This is where uninuclear cells fuse to form an apparent multinucleate cell. This way the heart muscle cells can contract in synch. Intercalated discs appear in the sarcomere's (of the muscle fibres) Z line.
