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denis-greek [22]
1 year ago
6

Which event triggers the start of black hole formation?

Biology
1 answer:
docker41 [41]1 year ago
8 0

Answer:

A stellar-mass black hole forms when a star with more than 20 solar masses exhausts the nuclear fuel in its core and collapses under its own weight. The collapse triggers a supernova explosion that blows off the star's outer layers.

Explanation:

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This graph shows that bird ranges in the winter have been shifting northward over several decades
horsena [70]
The first box is migration
The second box is the northern regions have become warmer because of climate change 
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2 years ago
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If peers accept a scientific paper’s claim, what is the next step in the process?
kotykmax [81]

C. A journal will publish the paper.

4 0
2 years ago
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Write all possible codons recognized by each of the given anticodons. An anticodon strand reads 5'–GCG–3'. Fill in the missing b
gregori [183]

Answer:

Codon: 3'-CGC-5'

Codon: 3'-UGC-5'

Explanation:

The anticodons of tRNAs bind to the complementary codons of mRNA. The mRNA codons are always read in 5' to 3' direction. The 5' base of an mRNA codon pairs with 3' base of the anticodon of tRNAs. The first base of the anticodon (the  5' base) determines the number of mRNA codons that are recognized by the tRNA. When the 5' base of the tRNA anticodon is U or G, it binding with codon is less specific. A tRNA anticodon with 5’ G base can read two different codons.  

Anticodon:  5'–GCG–3'.

Codon: 3'-CGC-5'

Codon: 3'-UGC-5'

5 0
2 years ago
Anton Leeuwenhoek Devised a primitive microscope to observe a sample of his tooth scrapings. How did this help contribute it to
4vir4ik [10]

Answer:

C- it help to show that some bacteria are just one cell.

Explanation:

Anton Leeuwenhoek was the first scientist who observed the presence of bacteria in his tooth scratch under the microscope made by himself. At that time there was no concept of bacteria and he named those small creatures as animalcules which were later termed as bacteria.

Leeuwenhoek during 1670s  sent the details of his experimentation on algae and bacteria to Royal Society of London.

It was due to his that primitive experiment that made the discovery of bacteria and make it known to other scientists. Therefore option C is the best option that demonstrates that bacteria are single celled organisms that are very minute. When we look at cell theory there is a postulate that shows that cell is the fundamental unit of function and structure  of all living organisms. So, the work of Anton Leeuwenhoek holds substantial importance in the formulation of cell theory.

Hope it helps!


6 0
2 years ago
Given that the mean cuteness of the current herd is 39.7 OMGs, the BAF workers picked the 16 cutest adults and allow them to rep
hammer [34]

Answer: 41.5 OMGs is the predicted mean cuteness in the next generation.

Explanation:

Cuteness is a way to measure relative ability of individuals with a certain genotype to reproduce successfully.

Mean cuteness is given as the summation of individual cuteness. Mean cuteness also changes in the next generation.

The mean cuteness of the current herd was given as 39.7 OMGs and after 16 individuals were chosen, the mean was given as 41.5.

This implies that there was a change already as mean cuteness will either increase or decrease in the next generation after selection. Here, 39.7 increased to 41.5 .

The predicted mean cuteness is therefore 41.5 OMGs.

3 0
2 years ago
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