Gas exchange in humans is the delivery of oxygen lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs.
They could discover which organisms are closely related to the mammoth, and which one is the most closely related.
Roles of protein:
Hormone production
Enzymes- proteins bind to molecules to speed chemical reactions
Immune Function/immunity- anti bodies that bind to pathogens and inhabit their activities
Energy- protein is broken down to amino acids during digestion
Transporting oxygen
proteins can also blood clot, contract muscles, and they make up muscles,hair,and nails
Answer:
1. C
2. D
Explanation:
In an experiment, which aims at solving a particular problem or answering a scientific question about nature, the scientific method is employed. The scientific method contains the following steps:
- Making an observation.
- Asking a question.
- Formulating a hypothesis
- Testing the hypothesis via experimentation
- Analyzing the results
- Conclusion
According to question 1, the PURPOSE of an experiment portrays what is about to be done in a question format. For example, a purpose can go this: What will be the effect of pesticides on the growth of cowpea?. Furthermore, the PURPOSE helps make a research and state a hypothesis in the next step.
- In the analysis of result, the qualitative or quantitative approach is used. The QUANTITATIVE method involves the use of numbers or numerical data to express the outcome or result of the experiment. By counting or measuring, a numerical data is collected and given a unit depending on what is being measured
