BIOLOGY HIGH SCHOOL

Which type of nuclear power reactor is used in only 1 percent of all power plants? Pressurized water reactor
Boiling water reactors
Breeder reactors
Reproduction reactors

Answers

Answer 1
Answer: I believe the correct answer from the choices listed above is the third option. The type of nuclear power reactor that is used in only 1 percent of all power plants would be Breeder reactors. It  is a nuclear reactor that generates more fissile material than it consumes.
Hope this answers the question. Have a nice day.
Answer 2
Answer:

Answer;

Breeder reactors

Explanation;

  • Nuclear reactors are used to produce and control the release of energy from splitting atoms of various elements, Energy released is used to heat water so as to generate stem that spins turbines to generate electricity.
  • Breeder reactors are a special types of nuclear reactor that can generate additional nuclear fuel at the same time as producing energy for electricity.
  • These type of reactors are only used in 1% of all power plants.

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Suggest a reason why flowering plants tend to reproduce more in the warmer summer months

Answers

The flowering plants tend to reproduce more in the warmer summer months.

How does warm temperatures affect plants?

  • Warm temperatures are unfavorable to plants.
  • Photosynthesis occurs at a slower rate.
  • The rate of transpiration rises.

What is the effect on the reproduction?

  • The plants start flowering and is rate of flowering increases.
  • However these plants show reduced seed setting or fruit development.

Why does it occur?

  • It happens because these temperatures are unfavorable to the plant.
  • To escape this unfavorable condition they complete their life cycle as soon as possible.

To learn more about temperatures, life cycle, and photosynthesis here,

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the flowering plants have more area to absorb sunlight, they can produce more pollen to reproduce.

How was most solid waste handled in the middle ages?

Answers

During the middle ages, most solid wastes were either dumped by people or they were burnt. Mostly the people of middle ages would let the solid wastes pile up and this resulted in terrible stench as well as a growing population of rats. The rats spread diseases that killed a huge number of people during the middle ages. 

What does lucid mean?

Answers

expressed clearly easy to understand.
Like clearly to understand

Diffusion can be defined as active transport of particles up a concentration gradient.


movement through a cell membrane using energy from ATP


movement of particles from a region of high concentration to a reaigon of low conentration



movement of particles from a region of low concentration to a regoin or to a high region

Answers

Answer:

Option (3).

Explanation:

The molecules may transport from inside and outside of the cell from their region of low concentration to high concentration or vice-versa. Different types of transport process are diffusion, osmosis, primary active transport.

Diffusion occurs naturally in the organism and no energy is required for its transport. The molecules move to the region of lower concentration from its region of higher concentration. The molecules moves along the concentration gradient.

Thus, the correct answer is option (3).
movement of particles from a region of a high concentration to a region of low concentration

Order the steps from arrival of transcription-promoting factors at the eukaryotic DNA gene promoter to synthesis of an mRNA copy of the gene. Include the terms RNA polymerase II, elongation, promoter, TATA box, nucleotides, and transcription factor.

Answers

Answer:

Explanation:

There are 3 different types of DNA dependent RNA polymerase. RNAP II is the main enzyme synthesizing mRNAs.

1. Signals for initiation of transcription

Promoters: there are certain specific areas on the DNA that act as starting signals for initiation process.

The DNA polymerase attaches to the promoter site on the template DNA strand.

TATA Box: upstream of the transcription start site is 5'-TATAAA-3' it is referred to as the TATA Box. It acts as a signal for the start region.

2. Initiation of Transcription. The DNA helix unwind, and the RNAP binds to the promoter site on the 5' end DNA with the help of sigma factor. RNAP reaches the appropriate site of the gene and add the first nucleotide of the mRNA.

3. Elongation of Transcription: the RNAP moves along the DNA template, new nucleotides are incorporated in the nascent mRNA, one by one, according to the base pairing rule.

4. Termination of transcription: specific signals are recognized by the termination protein (Rho factor). When it attaches to the DNA, rnap can't move further. So the enzyme dissociate from DNA and consequently newly formed RNA is released.

What make the phosphorus cycle different from carbon cycle

Answers

The phosphorous cycle differs from the carbon cycle in the way that it cannot be found in the gas form.Phosphorous is only found on land, in water and in sediment. 
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