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Dmitry [639]
2 years ago
15

Doctors finally understood why a child had difficulty sleeping. They discovered that she had a large tumor located in the part o

f her hindbrain called the _____
Biology
1 answer:
Fynjy0 [20]2 years ago
4 0

Answer:

The correct answer is - Pons.

Explanation:

The pons is located t below the midbrain and below the midbrain. It is a group of nerves that function as a connection between the cerebrum and cerebellum.

It is related to the various functions of the body such as sleeping, respiration, swallowing, bladder control, hearing, and many more. These functions

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You have spent 24 hours traveling from the U.S to New Zealand, on quite a few airplanes with many stops. Because of the stress,
sladkih [1.3K]

Answer:

Higher than normal because yo have less plasma blood volume.

Plasma blood volume is mostly water and plays an important role in maintain the electrolyte concentration. Less plasma leads to dehydration.

5 0
3 years ago
What organisms release stores energy from organic compounds through cellular respiration?
krok68 [10]
<span>Multi-celled organism

1. They have a nucleus which serves a great function in many cellular activities. <span>Nucleus, the control center of the cell is the organelle which intiates, enables, and manages the various simplex. compound and complex cellular activities. It also stores the DNA of the cell which is then replicated and recopied over a hundredth and thousandth times over through cell division processes. In the nucleoplasm -nucleolus, the inner part of nucleus of a cell is where the DNA to mRNA and to protein; vice-versa happens.  <span>
2. Muticellular organisms have improvised mitochrondria and chloroplast vital for many functions.</span></span></span>
3 0
3 years ago
Read 2 more answers
Which would probably have the greatest effect on a protein's function—a change to the primary, secondary, or tertiary structure?
Alja [10]

Answer:

There are 20 different standard L-α-amino acids used by cells for protein construction. Amino acids, as their name indicates, contain both a basic amino group and an acidic carboxyl group. This difunctionality allows the individual amino acids to join in long chains by forming peptide bonds: amide bonds between the -NH2 of one amino acid and the -COOH of another. Sequences with fewer than 50 amino acids are generally referred to as peptides, while the terms, protein and polypeptide, are used for longer sequences. A protein can be made up of one or more polypeptide molecules. The end of the peptide or protein sequence with a free carboxyl group is called the carboxy-terminus or C-terminus. The terms, amino-terminus and N-terminus, describe the end of the sequence with a free α-amino group.

The amino acids differ in structure by the substituent on their side chains. These side chains confer different chemical, physical, and structural properties to the final peptide or protein. The structures of the 20 amino acids commonly found in proteins are shown in Figure 1. Each amino acid has both a one-letter and three-letter abbreviation. These abbreviations are commonly used to simplify the written sequence of a peptide or protein.

figure1-Protein-Structure

Depending on the side-chain substituent, an amino acid can be classified as being acidic, basic or neutral. Although 20 amino acids are required for synthesis of various proteins found in humans, we can synthesize only ten. The remaining 10 are called essential amino acids and must be obtained in the diet.

The amino acid sequence of a protein is encoded in DNA. Proteins are synthesized by a series of steps called transcription (the use of a DNA strand to make a complimentary messenger RNA strand – mRNA) and translation (the mRNA sequence is used as a template to guide the synthesis of the chain of amino acids which make up the protein). Often, post-translational modifications, such as glycosylation or phosphorylation, occur which are necessary for the biological function of the protein. While the amino acid sequence makes up the primary structure of the protein, the chemical/biological properties of the protein are very much dependent on the three-dimensional or tertiary structure.

5 0
3 years ago
List the advantages and disadvantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersi
expeople1 [14]
Persistent chlorinated hydrocarbon pesticides persist in the environment and accumulate in the foods chain causing harmful effects on the environment including posing a threat to humans health in the long term. Nonpersistent organophosphate pesticides are more toxic than the former but degrade after a short life span. Therefore they cause immediate harm in case one is in contact with them.
The fact that they do not accumulate in the environment, they are more favourable than chlorinated hydrocarbon pesticides. Chlorinated hydrocarbon pesticides will affect several generations due to their accumulation in the environment. However they don't need to be re-applied hence are less expensive
3 0
3 years ago
The environmental benefits of composting include all of following EXCEPT____________.
andriy [413]

Answer:

B. generation of rich organic fertilizer.

Explanation:

Compost and fertilizers are different. There is a simple way to distinguish between compost and fertilizers.  Compost feeds the soil, and fertilizer feeds the plants. Fertilizer adds to the soil for nutrient supplying purpose to the plants. But compost helps to increase the microbial activities of the soil, which improves the health of the soil.

6 0
3 years ago
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