Answer:
A,B and E
Explanation:
- I+: I refers to the lac repressor, the + indicates that the repressor is functional
- P+: P refers to the promoter region and the + indicates that the promoter is functional
- Oc: O refers to the operator region, but the Oc indicates that the operator is constitutive ie. that it is always on/ can't be turned off.
- Z-: Z refers to the LacZ gene which produces β-galactosidase. Z- indicates that this gene is non-functional
- Y+: Y refers to the LacY gene which produces the permease protein. Y+ indicates that this gene is functional
So based on the breakdown above:
- C is not true because the lac operon is an inducible system. The operator needs to be able to be repressed. In this case the operator is constitutive (always on) which is not the correct form.
- D is not true because Z-, no β-galactosidase is produced.
Only A, B and E apply.
Answer: Consequently
Explanation:
The consequently is used to show the result of the activity. It is used as an adverb in a sentence. For example, hard working labors are in great demand, consequently are paid well.
In the given situation, one sentence or action is influencing the other. Charlotte was eating lunch this consequently affected Joseph who was sleeping and he woke up.
The correct answer for the two missing words are ribosomes and Golgi apparatus. Glands in your neck contain digestive enzymes that help digest starch. Cells that produce and package digestive enzymes must contain relatively large amount of RIBOSOMES and GOLGI APPARATUS in comparison to other cells.
The answer is the cell membrane. The cell membrane controls what nutrients come in, and what unneeded material comes out. It protects the cell from anything that might come in and harm it. It is kind of like the security guard. A security guard let's the good people in and keeps the bad people out.
