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aliina [53]
3 years ago
9

Fevers in young children are a particular concern because oxygen is less effectively transported by hemoglobin at high temperatu

re. How might this be explained? The hemoglobin becomes denatured and cannot transport the oxygen. The oxygen becomes denatured and cannot bind to the hemoglobin. Oxygen has too much thermal energy to be bound by hemoglobin. Oxygen evaporates at high temperature and is not available for binding with hemoglobin.
Biology
1 answer:
velikii [3]3 years ago
5 0

Answer:

The hemoglobin becomes denatured and cannot transport the oxygen

Explanation:

Hemoglobin is a protein that binds with oxygen reversibly, in lungs and carries it all around the body as <em>oxyhemoglobin </em> and delivers oxygen to tissues.It comprises of four protein chains,two alpha and two beta chains,each containing a heme group that contains iron.

Temperature plays a huge role in binding oxygen to hemoglobin.It affects the affinity of hemoglobin for oxygen.High temperatures decreases the affinity of hemoglobin for oxygen.The hemoglobin molecule becomes denatured and this in turn decreases its ability to bind to oxygen and transport it all over the body.During denaturation, the hemoglobin molecule loses its tertiary protein structure.

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Nucleic acids are important information storage molecules present in virtually every cell. Which processes is carried out by a c
emmasim [6.3K]

Answer:

Transcription

Explanation:

The DNA is stored in the nucleus of the cell. The DNA has the sequence information of every gene. This means that depending on the DNA sequence, we are going to have a particular protein. The transcription is a process within the cell in which an enzyme called polymerase enters the nucleus and transcribes the DNA into another molecule, RNA. Let's say that this process makes another "copy" of the nucleic acid sequence, but now the RNA is able to get out of the nucleus carrying genetic information into the cytoplasm. In the cytoplasm, the RNA is translated into protein. During the translation, a ribosome "reads" the RNA and builds the protein depending on the nucleic acid sequence. To sum up, we can say that the transcription is the first process involved in accessing the information from the DNA.

8 0
3 years ago
In cats, the Dense pigment gene, D/d, codes for melanophilin, a protein involved in the transportation and deposition of pigment
SVETLANKA909090 [29]

Answer:

a. M_D_ : 9/16 Black furred individuals

b. M__dd : 3/16 gray furred individuals (1/16 MMdd + 2/16 Mmdd)

c. mmD_ : 3/16 Brow-furred individuals (1/16 mmDD + 2/16 mmDd)

d. mmdd: 1/16 gray furred individuals.

Explanation:

Available data:

  • Dense pigment gene, D, codes for melanophilin.
  • D allele dominant over d.
  • Gene M/m is responsible for the production of the pigment
  • M is dominant over m
  • If D is present, M/m is expressed
  • If dd is present, M/m is not expressed  
  • DDMM, DdMM, DDMm, DdMm --->Black fur
  • DDmm, Ddmm ---> Brown fur
  • ddMM, ddMm -----> Light gray fur

Cross: between two dihybrids

Parental)         DdMm     x     DdMm

Phenotype) Black-furred      Black-furred

Gametes) DM, Dm, dM, dm   DM, Dm, dM, dm

Punnet Square)    DM        Dm         dM          dm

             DM       DDMM    DDMm   DdMM   DdMm

             Dm       DDMm    DDmm   DdMm   Ddmm

             dM        DdMM    DdMm    ddMM   ddMm

             dm        DdMm    Ddmm    ddMm   ddmm

F1) 9/16 Black-furred individuals, D-M- (1/16 DDMM + 2/16 DDMm + 2/16    

                                                                 DdMM + 4/16 DdMm)

    3/16 Brown-furred individuals, D-mm ( 1/16 DDmm + 2/16 Ddmm)

    4/16 Gray-furred individuals, dd-- ( 1/16ddMM + 1/16 ddmm + 2/16 ddMm)

   

   

7 0
4 years ago
When the centromeres split in mitosis,what does the sister chromatids’ name change to?
snow_lady [41]

Answer:

During anaphase 2, the chromosomes' centromeres break, and the spindle fibers pull the chromatids apart. The two split portions of the cells are officially known as "sister chromosomes" at this point.

Explanation:

5 0
3 years ago
Witch label identifies the part of the ATP molecule that changes when energy is releases in the cells of all living things and w
Zepler [3.9K]

Not sure what you mean by "witch label" but energy is released from ATP when one of the three phosphates is separated from the rest, converting ATP into ADP and releasing energy. I believe the process is just called ATP hydrolysis although there may be a term I'm unaware of.

6 0
4 years ago
Read 2 more answers
Two harmful effect of weevils in crop production​
jolli1 [7]

Answer: The main function of the rostrum is to bore holes in plants. In these holes, the female lays her eggs. The eggs hatch into larvae, which eat the plant material surrounding them. If this material is a crop plant or seeds used for human food, the weevils may cause serious damage.

<h2><u><em>Hopethis helps</em></u><em>!!</em> <u><em>Stay safe and healthy</em></u><em>!!</em></h2>

7 0
4 years ago
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