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konstantin123 [22]
3 years ago
8

Based on the current understanding of this operon, which hypothesis would be useful for James to test? Addition of allolactose t

o the bacterial growth media should increase the speed at which the bacteria metabolize the sugar lactose. Removal of the RNA polymerase molecule should increase the amount of bacterial growth on the plate. Decreasing the amount of allolactose in the bacterial growth media should increase the rate of bacterial growth. Increasing the rate at which RNA polymerase acts will inhibit bacterial growth
Biology
2 answers:
Tcecarenko [31]3 years ago
7 0

Answer:

A.

Explanation:

morpeh [17]3 years ago
4 0
<h2>Answer</h2><h2>The answer is: Addition of allolactose to the bacterial growth media should increase the speed at which the bacteria metabolize the sugar lactose.</h2>

Explanation:

I took the quiz

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The allele for brown hair (B) is dominant to the allele for blonde hair (b). Suppose two individuals with brown hair are both he
Hunter-Best [27]

Answer:

10 arrangements, although the parents have brown hair, they have a recessive allele for the blonde hair. The two brown heads can make a blonde or brown and or course even a red haired child. In this case the parents with dominant brown hair have a recessive blonde hair giving them a chance to have 10 arrangements to have blonde hair due to their recessive allele.

Explanation:

Heterozygous means that to have inherited different forms of a particular gene from each parent. In this case the children will inherit both brown and blonde hair genes.

7 0
3 years ago
Checkpoints are points between phases of the cell cycle at which a cell determines whether all the requirements necessary for ea
Sedaia [141]

Answer:

The correct answer is - at the G1/S phase and G2/M phase.

Explanation:

The G1/S transition phase or checkpoint is a phase where the cell cycle arrested if during the evaluation of the DNA found damaged or other factors including external factors. Due to this evaluation and inadequate conditions, the cell will not enter the S phase.

The G2/M phase or transition phase is a checkpoint which takes place just before the M phase that ensures that all replicated DNA is not damaged before entering mitosis phase or M phase.

Thus, the correct answer is - at the G1/S phase and G2/M phase.

5 0
3 years ago
The body produces antibodies complementary to foreign antigens. The process by which the body comes up with the correct antibodi
lys-0071 [83]

The question is incomplete as it does not have the options which are:

  • going to a tailor and having a suit made to fit you
  • selecting a lottery prize-winner by means of a random drawing
  • going to a shoe store and trying on shoes until you find a pair that fits
  • ordering the lunch special at a restaurant without looking at the menu
  • picking out a video that you haven't seen yet

Answer:

Going to a shoe store and trying on shoes until you find a pair that fits

Explanation:

Antibodies are the immunoglobulin molecules secreted by the B cells which help the body providing the immunity as they interact with the antigen and help immune system to produce a response.

The variety of the B cells are produced by the body in response to different antigens which produce different type of antibodies. This interaction of antigen and antibodies is known as the complementation and just appear like if you are going to a shop to buys a pair of shoes and tries different shoes  to find the best shoe of best size.

Thus, the selected option is correct.

4 0
3 years ago
What type of fibers are not man made?
Marrrta [24]

Some man-made fibres, too, are derived from naturally occurring polymers. For instance, rayon and acetate, two of the first man-made fibres ever to be produced, are made of the same cellulose polymers that make up cotton, hemp, flax, and the structural fibres of wood.

8 0
3 years ago
​there is a higher rate of both prostate cancer and breast cancer in men who test positive for the brca genes.
PilotLPTM [1.2K]
Fact, BRCA genes help with cell division in the breast and prostate regions. Therefore, if they are mutated, the cell division process wouldn't function normally and possibly end up in cancer since the BRCA genes tend to be tumor suppressors (cancer is a malignant tumor).
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