BIOLOGY HIGH SCHOOL

Which is an advantage that multicellular organisms have compared to single-celled organisms?A.
Their cells are all alike.

B.
They can live in extreme environments.

C.
They have different cells for different tasks.

D.
They are able to move around freely.

Answers

Answer 1
Answer: I think the answer is C.They have different cells for different tasks.

♡♡Hope I helped!!! :)♡♡

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Based on your readings about Bt corn, express your opinion about whether or not farmers should continue planting Bt corn. Explain why you take this point of view.Identify the arguments made by Prince Charles and Professor Alison Smith on the issue of using genetically modified crops to reduce the problem of world hunger. Express your opinion about whether you agree with Prince Charles or Professor Alison Smith. Explain why you take this point of view. Express your opinion about the need for more research into the safety of genetically modified organisms. Is this research necessary or not?

A scientist investigated DNA replication in two groups of cells, labeled A and B. She injected radioactively labeled nucleotides into cells of each group and allowed DNA replication to begin. When replication was halfway completed, she injected a drug into the cells to stop replication. She then examined the cells to determine the distribution of the newly-synthesized DNA. She found each cell of group A had many segments of new DNA in its nucleus, while each cell of group B had a single segment of new DNA in its cytoplasm. What can the researcher conclude about the cells?

Answers

Answer:

A is a eukaryotic cell while B is a prokaryotic cell

Explanation:

The researcher can conclude that cell A is eukaryotic while cell B is prokaryotic.

In eukaryotic cells, the DNA is located majorly in the nucleus and the replication of the DNA happens in the nucleus. Hence, it is only logical to find segments of new DNA in the nucleus of cell A during replication.

Prokaryotic cells, however, lack a nucleus. Their DNAs lie freely within the cytoplasm. This thus means that replication can only happen in the cytoplasm. Hence, it follows logically to find a new DNA segment in the cytoplasm of cell B.

What is intramembranous ossification? the formation of bone from preexisting hyaline cartilage models
the formation of bone from preexisting elastic cartilage models
the formation of bone from preexisting fibrocartilage models
the formation of bone from fibrous membranes

Answers

Answer is (D)

Explanation:

  • Intramembranous Ossification is the procedure in which development of bones from fibrous membranes.
  • It is engaged with the development of the mandibles,the clavicles and the level bones of the skull.
  • Hardening starts as mesenchymal cells structure a layout of things to come bone.
  • They at that point separate into osteoblasts at the hardening community.
  • Osteoblasts emit the extracellular framework and store calcium, which solidifies the network.

Desalination _____. adds salt to freshwater. removes salt from freshwater. prevents saltwater from being used in mining. allows saltwater to be used for drinking.

Answers

The answer is B, removes salt from freshwater.

Answer:

B

Explanation:

B

Describe the DNA transcription process, which involves the transfer of the DNA genetic code onto an mRNA molecule.

Answers

DNA is present within the nucleus of the cells and it is responsible for the production of various proteins and enzymes to keep the cellular activity going on. However, it cannot directly do so and seeks help of the messenger RNA molecules. DNA transcription is a process that involves transfer of the DNA code from the DNA to the mRNA molecule for the production of proteins.
During the transcription, the DNA is used to  produce proteins. But DNA is not directly transformed into protein
In order to do so, it must first copied to RNA to ensure the genetic information from the DNA doesn't become tainted

hope this helps

Moraines left by glaciers are different from deposits left by rivers because the rocks left behind are _____.organized and sorted
unorganized and unsorted
all very large
all very small

Answers

The right answer for the question that is being asked and shown above is that: "unorganized and unsorted." Moraines left by glaciers are different from deposits left by rivers because the rocks left behind are unorganized and unsorted

Extra points for answers Compare the ways in which iron-magnesium minerals and feldspars crystallize from magma

Answers

The comparison of the ways in which iron-magnesium minerals and feldspars crystallize from magma is;

Feldspars continually react with magma and change composition but stay as feldspar whereas iron - magnesium react with magma and change into other minerals.

  • In Bowen's reaction series, feldspar minerals tend to continually change composition, whereas iron - magnesium minerals tend to have an abrupt change of their mineral types.

  • Now, the feldspars that are formed from cooling of magnma are usually very rich in calcium. Thus, as cooling continues, the feldspars will start reacting with the magma and as such the feldspar composition will undergo some changes. This reaction will lead to zoned crystals that have outer layers very rich in sodium while the core is very rich in calcium.

  • For the iron - magnesium minerals, when magma starts to cool, a mineral will now start to crystallize but the more the magma cools the more the temperature drops and a whole new mineral will be formed.

  • Finally, the minerals formed initially reacts with the magma which makes it to be converted into the new mineral.

Read more at;brainly.com/question/2478481
the magma melts then hardens for a long time then iron magnesium pretty much sugar coats it and crystallizes it.
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