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DanielleElmas [232]
2 years ago
12

1.What is a codon? What does it tell the ribosome?

Biology
1 answer:
Sophie [7]2 years ago
3 0

Answer:

1. A codon is a triplet of nucleotides that codes for an amino acid. This amino acid is transported by the tRNA which possesses a complementary anticodon and it gets added to the nascent protein.

2. Amino acids are organic compounds that contain amino (–NH2) and carboxyl (–COOH) functional groups, along with a side chain (R group) specific to each amino acid.

3. the onset of protein production is signaled by the AUG codon which encodes methionine. the stop to the synthesis is given instead by the stop codons (UAA, UAG, UGA)

4. Met-Val-Thr-Ser-Arg-Leu-Stop

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What is the difference between homeostasis and respiration​
Verizon [17]

Answer:

Abstract

Respiratory homeostasis is concerned with the regulation of a blood gas composition that is compatible with maintaining cellular homeostasis. Provided that the lung-capillary exchange barrier does not prevent the exchange of gases, then blood leaving the lung will have oxygen and carbon dioxide partial pressures that are similar to the average values found in the alveoli. Alveolar ventilation establishes these values. If blood gas composition, especially of carbon dioxide, moves outside the homeostatic range, the change is detected by chemoreceptors and respiratory responses are promoted which change alveolar ventilation, alter alveolar gas composition and so reverse the change. Ventilation therapies provide the means of artificially restoring alveolar gas composition. In general terms, they do this by raising the partial pressure of oxygen within the alveoli either by using oxygen-enriched gas mixtures, or by improving the ventilation of alveoli using positive pressure.

Explanation:

3 0
3 years ago
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Gender role, gender identity, amd sexual orientation vary with each individual. True or False?​
zhannawk [14.2K]

Answer:

true

Explanation:

3 0
2 years ago
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I've been stuck on this question for quite a while now need some help best if I can get an answer with explanation
mart [117]

Answer:

B is most probably the right answer since it has the both hydrophollic and characteristics.

Not 100% sure though

4 0
3 years ago
What are resources a living thing needs to survive? Are these resources limited or unlimited?
blagie [28]

Answer:

The basic resources a living organism needs to survive are sustinence, shelter, and heat. Sustinence is not an unlimited source and wild animals have to hunt to get their food, and if they hunt too much, the food chain will fall out of balnce to where there is no more of that species.

Shelter or safe homes can also be limited, from animals that find natural spots, or make their own homes out of resources, it can be difficult to not be constantly exposed to the natural environment.

Heat is dependant on climate, and is provided by the sun. Nonetheless, in the winter, it isn't reliable, and in the summer, animals may overheat. In conclusion overall, all of these resources are limited or depending on such circumstances.

3 0
2 years ago
Which of the following statements is/are incorrect? a) The epidural space is located between the dura mater and the vertebral ca
dsp73

Answer:

C

Explanation:

The meninges are the membranous tissues that cover the spinal cord and the brain, providing support and protection to these organs. They are of three layers.

A) The Dura mater

B) The arachnoid mater

C) The pia mater

The Dura is the outermost meningeal layer and lies directly under the vertebral column bones and skull. The subdural space is the space between the Dura mater and the Arachnoid mater.

The Arachnoid mater lies in the middle of the Dura and Pia mater. Under the Arachnoid layer is the subarachnoid space which contains the cerebrospinal fluid. The cerebrospinal fluid acts as a shock absorber and a cushion to the brain and spinal cord.

The Pia mater lies under the subarachnoid space and directly on the spinal cord and brain and is highly vascularised.

5 0
3 years ago
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