Answer:
The correct answer is b) mediate cell-to-cell recognition
Explanation:
Cell to cell recognition is necessary for a cell to know and distinguish its neighbor cells. Cell adhesion is one of the examples cell to cell communication when a cells comes in contact with other cells by interaction with their specialized protein complex.
This contact between cells is accomplished by plasma membrane components like carbohydrates that are attached to proteins and lipids which makes glycoproteins, glycolipids, and glycolipoproteins.
This cell to cell communication is important for cell to proliferate and function together in organs like in liver, liver cell only works when they are surrounded by more liver cells.
So the right answer is b) mediate cell-to-cell recognition.
Answer: nucleus
Explanation: In eukaryotes, ribosomes get their orders for protein synthesis from the nucleus, where portions of DNA (genes) are transcribed to make messenger RNAs (mRNAs). An mRNA travels to the ribosome, which uses the information it contains to build a protein with a specific amino acid sequence.
Answer:
Gel Electrophoresis is a way to sort and measure the DNA strands. Scientists use the technique whenever they need to sort DNA strands according to lengths, this is because it helps them determine patterns, banding patterns create a unique fingerprint for a certain individual. During the process, the shorter strands move faster because they have less mass compared to the longer strand. Therefore, the short strands end up farther away from the starting point than the longer strands, which is how the difference in lengths sort themselves out.
Answer:
Cystic fibrosis
Explanation:
X- linked trait may be defined as the trait that is located on X chromosome or the inheritance of the trait is based on the X chromosome. The disorders associated with X-linked trait is known as sex linked disorder.
Cystic fibrosis is an autosomal recessive disorder that affects the digestive system, lungs and liver. The homozygous recessive condition is responsible for the disease cystic fibrosis. Hence, cystic fibrosis is not an X-linked trait.
Thus, the correct answer is option (2).
