The nucleus is an organelle found in eukaryotic cells.
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Answer: Ptolemaic system, also called geocentric system or geocentric model, mathematical model of the universe formulated by the Alexandrian astronomer and mathematician Ptolemy about 150 CE and recorded by him in his Almagest and Planetary Hypotheses. The Ptolemaic system is a geocentric cosmology; that is, it starts by assuming that Earth is stationary and at the centre of the universe. The “natural” expectation for ancient societies was that the heavenly bodies (Sun, Moon, planets, and stars) must travel in uniform motion along the most “perfect” path possible, a circle. However, the paths of the Sun, Moon, and planets as observed from Earth are not circular. Ptolemy’s model explained this “imperfection” by postulating that the apparently irregular movements were a combination of several regular circular motions seen in perspective from a stationary Earth.
Explanation:
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Answer:
low level of calcium would result in fewer signals sent between pre and post synaptic cells.
Explanation:
The calcium has a main role in signal transmission mechanism and here is the mechanism :
1-the impulse reaches the synapse (depolarization which is a voltage change).
2-the voltage gated calcium channels open and let calcium flow into the cell.
3-the calcium causes the synaptic vesicles to rupture and release chemical transmitters which cross the synaptic cleft and finally bind to receptors on the post synaptic cell (transmitting the signal)
so it's obvious that if calcium concentration decreases, the signal transmission also decreases.
The correct answer choice among the statement above about strings of amino acids which can be decoded using single letter amino acid abbreviations to a type of
secondary structure is:
Alanine luecine proline histidine alanine histidine glutamic acid leucine isoleucine cysteine glutamic acid serine. Option a is the correct answer
- The structure of mature messanger RNA encoding the average eukaryotic proteins is: 5' cap, 5' UTR, coding region, 3' UTR, and poly(A) tail. Option a is the correct answer
- The correct answer choice which is extrinsic is: the TATAAT consensus sequence at the -10 posi!on of prokaryotic promoters
- The diagram solution of the coding strand, 3’, 5’, translation on, transcription replication to the last isquestion is attached
<h3>Amino acid</h3>
Amino acid can simply be defined as those organic molecules or substances which combine to form proteins. However, amino acids are generally characterized by some key features or properties; some of these properties of amino acids includes the following:
- They are soluble in water
- They are base units of proteins
- Amino acid are insoluble in organic solvent
- Amino acids are colourless
- They are crystalline solid
- All amino acids however too, have at least one acidic carboxylic acid (-COOH) group and one basic amino (-NH2) group.
So therefore, the correct answer choice among the statement above about strings of amino acids which can be decoded using single letter amino acid abbreviations to a type of
secondary structure is:
Alanine luecine proline histidine alanine histidine glutamic acid leucine isoleucine cysteine glutamic acid serine. Option a is the correct answer
Learn more about amino acids:
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Answer:
The only possible answer is D, which states that the population will reach 5000 and after that the growth will stabilise (exactly what would hapen in a logistic growth).
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