Answer:
Cell membrane as a semi permeable membrane.
Explanation
A semi permeable membrane is the one that would only allow water,ions and certain molecules to pass through it by diffusion while restricting other large molecules from passing through.
Details in the attachment.
First, we can eliminate 2 options. The simple unit of protein is amino acid, instead, the simple unit of fat and lipids are fatty acids and glycerol, therfore we can eliminate option A and D because fatty acids does not exist in protein.
Now we are left with B and C. To solve that, we need to understand that protein is made of a chain of amino acids, a lot of amino acids are chemically combined and cannot be broken down unless the use of enzymes. Amino acid are actually the monomers that forms protein.
Therefore, the answer is C. amino acid combine to form a protein chain.
Answer:
True
Explanation:
It is divided into three lobes and each lobe is supplied by one of the secondary bronchi. The left lung is longer and narrower than the right lung.
Answer:
The answer is below
Explanation:
There are different types of biological tools, with each of them having different functions. However, for the sake of the question, some of the popular tools will be listed here.
1. Stockroom tools: this includes:
Beaker: this is essential to take or storing small substances
Bunsen Burner: this is important in the biological lab to heat a substance
Flask: this is essential in holding liquid substance.
Pipette: it forms of a lab spoon that is used in mixing substances to form a compound or mixture
2. Computer and Imaging system: this is important in image analysis and sequence-analysis programs
3. Cell cultures: this is used in the biological lab to enhance the complex cell differentiation required in the experimentation of animal cell structure
4. Microscopes: this is essential in determining and examining the microscopic organism that we can not see with our makes eyes
