Example:
When you skin your knee, cells divide to replace old, dead, or damaged cells. Cells also divide so living things can grow. When organisms grow, it isn't because cells are getting larger. Organisms grow because cells are dividing to produce more and more cells.
Answer:
It is a mammal like us
It is vertebrate
It breathes oxygen and releases carbon dioxide
It has haemoglobin
Answer:
Molecules that are readily soluble in water are considered polar molecules.
Explanation:
Molecules that are readily soluble in water (or other polar solvents) are considered polar molecules. This is because they can form dipole-dipole bonds or hydrogen bonds, which allows them to form joints with water molecules and thus dissolve in it.
Given what we know, we can confirm that If a single protein carries out multiple functions, then each function may be carried out by a specific region of the protein called a domain.
<h3>What is a domain in proteins?</h3>
This is one of the many parts that make up a protein. This is what we can call the most independent parts of a protein given that they are each self-stabilizing and form their own three-dimensional structures. Each domain of a protein is considered a functional group, and therefore a single protein can carry out multiple functions.
Therefore, we can confirm that for a protein like the one described in the question, the multiple functions being carried out can be explained by the presence of the domain regions of the protein.
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Answer:
1. Soluble
2. Catalyze
3. Denatured
Explanation:
1. We eat in order to obtain energy. However, this food is often in a complex state and needs to be broken down into its simplest form. The process of digestion ensures this occurs in living organisms. Digestion is the process of breaking down large food molecules into a much more simpler molecule that can be passed on to the blood stream for absorption by cells. These simpler molecules must be SOLUBLE in water for them to be transported into each cell via the bloodstream.
2. The breaking down of food molecules described above is facilitated by certain proteinous chemical agents called ENZYMES. Enzymes are biological catalysts i.e. they help speeden up the rate of biochemical reactions in living systems. In the case of digestion, specific enzymes chemically acts on specific food molecules. For example, amylase acts on carbohydrates, protease acts on proteins etc.
3. As stated above that enzymes are proteinous, it means they possess the characteristics of proteins. One of those characteristics is the ability to get denatured by increase in temperature. High temperature causes an enzyme to lose its specific 3D shape, affecting its functionality. Hence, the enzyme is said to be DENATURED.
