BIOLOGY HIGH SCHOOL

Which of the following accurately describes a step within transcription?A. DNA polymerase uses one strand of RNA as a template to put together nucleotides.B. The RNA strand is produced within the cytoplasm.C. The DNA strand is used as a template for which a complementary RNA strand can be produced.D. The RNA strand forms a template by which DNA can be built

Answers

Answer 1
Answer:

The statement "The DNA strand is used as a template for which a complementary RNA strand can be produced" accurately describes a step within transcription (option C)

What is transcription?

Transcription is the process of copying genetic information from DNA into RNA. The DNA strand is used as a template, and the RNA polymerase enzyme reads the DNA strand and adds complementary nucleotides to form a new RNA strand.

The RNA strand is then released from the DNA and can be used to make proteins.

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Answer 2
Answer: The answer is C. the DNA strand is used as a template for which complementary RNA strands can be produced.
Hope i could help you

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The nutrients which serve as the main sources of energy for the body areA. proteins.
B. fats.
C. carbohydrates.
D. vitamins.

Answers

Complex carbohydratesSuch as insoluble fiber. Your body will break that down first because I is much faster than other source to convert to energy. If there isn't any carbs available your body will then convert fat into energy and lastly if there is t and carbs or fat your body will then breakdown protien into energy but that is truly the last resort. Sorry for the errors in this texts I was writing very fast and my phone will not allow me to edit.

Final answer:

Carbohydrates, fats, and proteins serve as the primary energy sources for the body, with carbohydrates being the preferred source. Fats provide energy when carbohydrate stores are low, and proteins serve mainly for growth and tissue repair, but can also provide energy.

Explanation:

The nutrients which serve as the main sources of energy for the body are primarily proteins, fats, and carbohydrates. Each of these performs distinct roles in the body. Carbohydrates are generally the body's preferred source of energy, as they can be easily broken down into glucose, which can be readily used for energy. Fats are the most energy-dense nutrient, providing twice as much energy as carbohydrates or proteins per gram. They are often used as a secondary source of energy when carbohydrate stores are low. Proteins, on the other hand, are primarily used for growth and tissue repair, but can also provide energy in certain circumstances. Vitamins do not directly provide energy, but they play critical roles in energy metabolism.

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What does a plant let out during photosynthesis?

Answers

It lets out oxygen after photosynthesis.
A plant lets out oxygen and water after photosynthesis

Like chordates, all invertebrates have

Answers

Both chordates and invertebrates have pharyngeal pouches

Why was the founder species of finches on the Galápagos Islands able to form such a large variation of beak types?

Answers

Through natural selection it happened over many generations and it was gradual, not a sudden change in the founder species. One bird was randomly born with a fatter beak and so could eat a seed that was harder to crack, this meant he lived longer than the other birds or was fitter, so bred more and so more of the offspring had this slightly larger beak. This continued and the birds moved to the islands with their ideal seed and kept getting fatter beaks etc until they were no longer the same species (this is when they can't breed to produce fertile offspring).

Which statement is true about a cell wall but not a cell membrane

Answers

One statement that might be true about cell walls but not about cell membranes is that they are usually made out of cellulose. Plant cells have cell walls, and animal cells have cell membranes, but cell membranes need to made from a more permeable material to allow things to pass in and out more easily.

Answer:

cell membranes need to made from a more permeable material to allow things to pass in and out more easily. and cell walls are not.

Explanation:

Where are the oldest fossils found in the rock layers

Answers

The oldest layers are on the bottom, and the youngest layers are on the top.

The oldest layers are on the bottom, and the youngest layers are on the top. Because sediments sometimes include once-living organisms, sedimentary rock often contains a lot of fossils.
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