answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Virty [35]
2 years ago
10

Determine the nature of the expression of the lacZYA genes, represented by L, and label each genotype as constitutive, inducible

, or no transcription in the presence of lactose. Assume that all promoters are wild type. Symbol Representation I− lacI mutant cannot bind to the operator IS lacI mutant always binds to the operator OC Operator mutant that prevents repressor binding F' the wild‑type operator, O+, and lacI gene on a plasmid L lacZYA genes
Biology
1 answer:
VladimirAG [237]2 years ago
3 0

Answer:

Explanation:

Symbol          Representation

I-                     laci mutant cannot bind to the operator

Is                    laci mutant always bind to the operator

OC                 Operator mutant that prevent repressors binding

F’                    the wild type operator, O+, and laci gene on a plasmid

L                     lacZYA genes

I+ O+ L+   Inducible

I+ OC L+   Constitutive

I+ OC L+, F’   Constitutive

I- O+ L+, F’   Inducible

Is O+ L+    no transcription

Is O+ L+, F’   no transcription

You might be interested in
Mannitol salt agar (MSA) only allows the growth of halophiles (salt-loving microbes). Among the halophiles, mannitol fermenters
Monica [59]

Answer:

B. differential

Explanation:

The culture medium is a chemical preparation that has the necessary nutrients for microorganisms of a given biological sample to multiply, allowing its study, identification and analysis. The main components of a culture medium are sources of carbon, energy (sugars), nitrogen, phosphorus and minerals.

There are several types of culture medium, among them we can mention the differential culture medium, which is the type of medium that is being used in the experiment shown in the question above. The differential culture medium allows the distinction between various genera and species of similar microorganisms. This distinction is possible because this type of culture medium has substances that allow for a presumptive differentiation, evidenced by the color change or the morphology of the colonies.

8 0
2 years ago
Read 2 more answers
Fatima drew a diagram of the water cycle to share with her class. She wanted to be able to explain the source of energy for the
kompoz [17]
The sun provides the energy just like it provides energy for most things on this planet.
5 0
2 years ago
Read 2 more answers
Precise measurements are important for scientific accuracy. Use the game to explain why precise measurement of reactants is impo
lys-0071 [83]

Answer: Precise measurements are important for Scientific Accuracy in order to get correct results

Explanation:

Precision is how close the Agreement is between repeated measurements under the same conditions. For example, if a measured value 36.7cm has three digits, or significant figures. Significant figures indicate the precision of a measuring tool that was used to measure a value

Accuracy is how close a measurement is to the correct value for that measurement.

When taking scientific measurements it is very important to be both precise and accurate. Bad equipment, human error can give inaccurate results.

5 0
2 years ago
Read 2 more answers
Explain what friction corollas and a low pressure gradient does to an air parcel?
Kipish [7]

Answer with Explanation:

Coriolis Force - refers to the fictitious force that acts perpendicularly to the direction of a rotating motion.

Air parcel - refers to a body of air that is <em>"imaginary."</em>

Pressure gradient - the change in pressure across a given distance.

Pressure gradient force - the net force that is being directed from high pressure to low pressure.

When an<em> air parcel is at rest, </em><u>the pressure gradient force acts upon it.</u> It will then move from<em> high pressure to low pressure.</em>

However, when the air parcel starts to be in motion, its direction will be changed with the help of the Coriolis force. Thus, it moves to the right side of the Northern hemisphere.

Once the speed of the wind increases, the change in direction of the air parcel increases. This happens until the pressure gradient force and the Coriolis Force are equal in magnitude. When this happens, the wind will start blowing parallel to the points of equal pressure. The wind will now then be referred to as in "geostrophic balance."

When friction happens, the geostrophic balance breaks. The flow of the wind will be slowed down. This means that the Coriolis force will also be lessened. The air parcel will then move towards the lower region.

6 0
2 years ago
Felipe looks over his presentation, and he notices that some of the words are written in bold and some are written in italic. Hi
nadya68 [22]
 Felipe looks over his presentation, and he notices that some of his words are written in bold and some are written in italic. His ability to remember these differences is an example of Retroactive encoding. Even though you didn't share the options, I am pretty sure this one will help!
8 0
2 years ago
Read 2 more answers
Other questions:
  • What platy, parallel, mineral grains are the most visual aspect of foliated metamorphic rocks?
    10·1 answer
  • The calvin cycle requires atp and nadph, products of the light reactions. if a classmate asserted that the light reactions don't
    11·1 answer
  • Organisms remove metabolic cellular wastes by the process of....1. excretion, 2.absorption, 3.coordination, 4.digestion. which o
    5·2 answers
  • Which part of an individual amino acid distinguishes it from other amino acids? which part of an individual amino acid distingui
    11·1 answer
  • A primigravida at 38 weeks' gestation presents to the clinic with a blood pressure of 142/94, edema in all extremities, and a we
    10·2 answers
  • What is the correct term for variation in characteristics within populations of the same species? A variation in characteristics
    13·2 answers
  • Why is glycolysis described as having an energy investment phase and an energy payoff phase? Why is glycolysis described as havi
    14·1 answer
  • Which functions are aided by swimmerets in crustaceans? Check all that apply. attachment to host gas exchange prey capture repro
    13·1 answer
  • Which of the following best describes the formation of the bond shown in Figure 1 ?
    6·1 answer
  • The fact that choanoflagellates and collar cells of sponges resemble each other supports the inference that ________. Group of a
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!