HELP PLEAASSSEEE :,,,,)

Answer:

Two elements

Explanation:

Nitrogen and Oxygen only, (NO)

Answer:

In genetics, a promoter is a sequence of DNA to which proteins bind that initiate transcription of a single RNA from the DNA downstream of it. This RNA may encode a protein, or can have a function in and of itself, such as tRNA, mRNA, or rRNA. Transfer ribonucleic acid (tRNA) is a type of RNA molecule that helps decode a messenger RNA (mRNA) sequence into a protein. tRNAs function at specific sites in the ribosome during translation, which is a process that synthesizes a protein from an mRNA molecule. Proteins are built from smaller units called. An exon is the portion of a gene that codes for amino acids. In the cells of plants and animals, most gene sequences are broken up by one or more DNA sequences called introns.

Answer:

B.

Explanation:

I think it's because protons are the ones that circle, neutrons stay in the middle becuz they're neutral, and electron are negatively charged?

Hey there!

South Australia

Where can the Murray river be found?

The Murray River is located in South Australia. Since that's where it's located, you can find it there.

Hope this helps!

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Answer:

d none are correct

Explanation:

Answer:

The options are

A. density B.volume C. area D.matter

The answer is Matter

Explanation:

When a sediment is transported down a mountain and along a stream, we are seeing the conversation of Matter.

The sediments transport substances which have a mass and they occupy different positions and volumes. This is the main reason why the answer is known as Matter.

Answer:

She will obtain results to support -or reject- her working hypothesis. These results are subjected to statistical analyses in order to confirm that they are statistically significant

Explanation:

The scientific method is a rigorous process that consists of raising a working hypothesis, which is tested by experimentation or observational procedures and analysis of the results. The statistical analyses may have key roles during this procedure. In an experiment that involves statistical analyses, the results are subjected to statistical measures to evaluate the significance level and thus confirm (or reject) the statements made in the working hypothesis. The p-value is one of the most used statistical measures to determine if differences are due to randomness, or they are statistically significant.

Answer:

Because the calculated chi-square value of 5.19 is less than the critical value of 7.82, the null hypothesis can be supported. She is 95% confident that there is no significant variation in shell color along the beach coastline.

Explanation:

this is the Sample Response

Answer:

Sue has Parkinson's disease. She takes medication that increases the level of dopamine.

Explanation:

Answer: microevolution.

Explanation:

Allele frequencies in a population may change due to gene flow, genetic drift, natural selection and mutation

Answer:E

Explanation:

Answer:

The correct option is option A

Explanation:

Restriction enzymes are endocleases that cleave DNA fragment (of usually four, five or six nucleotide long) at specific sites to produce blunt or sticky ends. They recognize palindromic sequences of host DNA when cleaving the specific sites. The sequences below (on complementary strands) give an example of a palindromic sequences.

5'-CCC║GGG-3'

3'-GGG║CCC-5'

As can be seen above, when read from 5' to 3', the two sequences are the same despite being on opposing strands. And when cut between the guanine (G) and cytosine (C) (as shown above), it produces a blunt end. But when cut as shown below produces a sticky end.

5'- G║AATTC -3'

3'- CTTAA║G -5'

The explanation above shows options C and D are right while option A is wrong (hence the correct option).

Also, bacteria prevent their own DNA from been digested by restriction enzymes by adding methyl group to their restriction sites which prevents restriction enzymes from recognizing restriction sites of their DNA; this generally makes bacterial DNA to be highly methylated. This explanation makes option B right also.

Answer:

6CO2 + 6H2O → C6H12O6 + 6O2

Explanation:

Answer:b

Explanation:

Answer:

Transport of long-chain fatty ácids across the cell membrane has long been thought to occur by passive diffusion........Fatty ácids transporters hold promise as a future target to rectify lipid fluxes in the body and regain metabolic homeostasis.

Answer:

eukaryotic, because our body cells have nucleus and membrane-bound organelles

Answer:

Yes, fertilizer can make plants grow bigger due to the nutrients it can provide to the soil and plants.

Answer:

D. 204

Explanation:

proportion : 12/70 = 35/x

70(35)=12x

2450=12x

204.166667=x and round it to make it 204.

The best estimate of the number of fish in the pond is 204. Thus, option D is correct.

Calculation:

proportion : 12/70 = 35/x

70(35)=12x

2450=12x

204.166667=x and round it to make it 204.

Average speed has been defined as the total distance travelled in total time taken it means that we can calculate the average speed obtained by an object .

Mathematically,

Average Speed = Total distance travelled/Total time taken

It's S.I unit is meter/second

Average speed is a scalar quantity it means that it has only magnitude not direction.

Ecosystem has been the branch of science that deals with the study of relationship between living organisms and natural phenomena. Ecosystem has the system in which both living as well as nonliving organisms are present in a particular location.

Green plants contain chlorophyll and they prepare there own food in the presence of sunlight and the process is known as photosynthesis. In the process of photosynthesis light  energy converted into chemical energy.

Therefore, The best estimate of the number of fish in the pond is 204. Thus, option D is correct.

Calculation:

proportion : 12/70 = 35/x

70(35)=12x

2450=12x

204.166667=x and round it to make it 204.

Learn more about average speed here:

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Answer:

150.

Explanation:

On edge

The electric potential, to the nearest whole number is 150 V.

The electric potential energy denoted by U is proportional to the charge and inversely proportional to the distance between the point where its is brought from infinity to the charge.

U = kQ₁Q₂/r

For identical charge,

U =kQ²/r................(1)

and the electric potential is given by

V = kQ /r................(2)

Dividing both the equations, we get

U/V  = Q

Substitute charge Q =  7.2 × 10⁻⁵ C, Electric potential energy U = 1.08 × 10⁻² J, then the electric potential will be

V  = 1.08 × 10⁻² /   7.2 × 10⁻⁵

V = 150 Volts

Thus, the electric potential is 150 Volts.

Learn more about electric potential energy.

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It is false that geoengineering will have no negative effects on the environment.

Geoengineering, also known as Climate Engineering, is the deliberate, extensive modification of the Earth's environment and climate in order to stop further climate change, halt and stop global warming, and lessen the effects on human society and the ecosystem.

Spraying compounds into the atmosphere to create reflecting aerosols and reflect sunlight into space is known as solar geoengineering. Although this would prevent global temperatures from rising, local or regional temperatures may still rise over the coming years, according to a recent study.

Hence, it is false that geoengineering will have no negative effects on the environment.

Learn more about geoengineering, here:https://brainly.com/question/9522204

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Answer:

I would say B- it was uncalibrated

Explanation:

he did not take the time to make sure it was calibrated before use

Answer:

Greater on Jupiter

Explanation:

Gravity depends on mass. Jupiter has more mass than Earth so its gravity is two and a half times greater. Therefore a person will weigh more on Jupiter.

Answer:

A person will be greater on Jupiter than Earth. The surface gravity is having is larger than Earth’s by roughly 2.4 times. So, if you weigh 100 pounds on Earth it would be 240 on Jupiter. Hopefully this helps! Feel free to mark this as brainliest!  

Answer:

the molecules on the surface to contract and to resist being stretched or broken.

Explanation:

Answer:

- revealed that rRNA is highly conserved so can be used for classification

- have led to the development of a new taxonomic system divided into domains

Explanation:

The ribosomal RNA (rRNA) genes are widely used in evolutionary, phylogenetic, and phylogeographic studies as molecular markers because they represent nuclear genes that are highly conserved between species. However, it is important to highlight that rRNA genes form arrays at specific chromosomal sites, thereby they often exhibit pseudogenes that may interfere with their use as molecular markers (i.e., they produce multiple bands in the electrophoresis gel). In 1977, Carl Woese showed that Archaea is an evolutionary lineage separated from Bacteria by using molecular evidence based on an rRNA molecular marker (16S rRNA). Thus, Woese indicated that Eukarya, Bacteria and Archaea represent three different domains that arose separately from an evolutionary ancestor named 'progenote'.

Answer:

Condensation

Explanation:

the word is called condensation

the answer to ur problem above is (b)

Answer:

12:16

Explanation: