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ololo11 [35]
4 years ago
5

A dna replication bubble forms at a specific sequence of bases called the ___________. see section 15.3 ( page 321) . a dna repl

ication bubble forms at a specific sequence of bases called the ___________. see section 15.3 ( page 321) . topoisomerase origin of replication dna polymerase leading strand lagging strand
Biology
1 answer:
Nataly [62]4 years ago
5 0
The answer is the Origin of replication. The origin of replication is a particular sequence in a genome at which replication is initiated. It may involve either the replication of DNA in living organisms such as prokaryotes and eukaryotes, or that of DNA or RNA in viruses, such as double stranded RNA viruses.
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Which of the following describes a negative feedback loop?
Oksana_A [137]

Answer:

The statement - When blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows, describes a negative feedback loop.

Explanation:

In the human body, the term homeostasis means the tendency of the various systems in the human body to stay in optimal ranges for health by self regulation through feedback controls. It is very important because it maintains equilibrium and provides stability to the human body. A negative feedback loop (inhibitory loop) is a type of self-regulating system in which increased output from the system inhibits the future production by the system. Example of negative feedback to achieve homeostasis are blood pressure , body temperature,  blood sugar. In blood sugar regulation, the hormone insulin lowers blood glucose when levels are high and the glucagon increases blood glucose when levels are low. In a positive feedback system, the output amplifies the original stimulus. Examples of a positive feedback system are child birth, lactation, blood clotting etc. During child birth, the hormone oxytocin released increases and speeds up the contractions.

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4 years ago
What food chain is there from the movie Finding Nemo?
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<span>There are four different examples of food chains in the movie "Finding Nemo".
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3 0
3 years ago
#9 I need help please
kondor19780726 [428]

Answer:

500 amino acids

500 codons

Yes

Explanation:

A codon is a set of 3 base pairs. Each codon codes for a specific amino acid. So the ratio between codon and amino acid is 1:1 and the ratio between base pairs and codon is 3:1.

If you have 1,500 base pairs then we can mathematically solve the number of codons:

\dfrac{1,500}{x} = \dfrac{3}{1}\\\\(1,500)(1) = (3)(x)\\\\\dfrac{1,500}{3} = x\\\\ 500=x

Since the ratio of codon to amino acid is 1:1, then for every 500 codons, there are 500 amino acids.

I hope this helps clear it up a bit for you.

4 0
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