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omeli [17]
3 years ago
15

Which characteristic do all prokaryotes and eukaryotes share?

Biology
2 answers:
Vsevolod [243]3 years ago
4 0
 cells all feature a nucleus, and their organelles are enclosed inside 
max2010maxim [7]3 years ago
4 0
They both have DNA
they are both membrane bound.
they both have ribosome
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If an enzyme has been denatured, can it “renature” if it’s returned to its normal temperature and pH range?
Dmitriy789 [7]

Answer:

No ot can't

Explanation:

Because the enzyme has changed its shape it has become unreversably denatured the active site does not match the substrate thefore their will be no reaction

I hope that helped

8 0
3 years ago
Select all molecules that are considered to be macromolecules. Check all that apply. An mRNA that will be translated to make a c
SOVA2 [1]

Answer:

All given options are correct.

Explanation:

Biomolecules may be defined as the organic molecules that are present in the living organism. Four important biomolecules are proteins, carbohydrates, fats and nucleic acids.

The biomolecules are known as macromolecules because they are made of large units of molecule. The mRNA that translates to form a enzymes is macromolecule because RNA is made of large units of nucleotides. Lipid that found in cell membrane are macromolecules because they are made of more than 1000 atoms. Protein that are involved in DNA replication are macromolecules as they have large units of amino acids.

Thus, all the given option are correct.

4 0
3 years ago
What is the basis for most ecosystems?
LUCKY_DIMON [66]
C. The sun, this gives energy and to animals and food for plants
6 0
3 years ago
In hemoglobin Rainier, Tyr 145β is replaced by Cys, which forms a disulfide bond with another Cys residue in the same subunit. T
lions [1.4K]

Answer:

Hemoglobin rainier differ from normal hemoglobin with respect to oxygen affinity.

Explanation:

Hemoglobin is one of the most significant protein of Red Blood Cell containing heme(that contain Fe2+ which is coordinated with four porphyrine rings) and globin protein.

  Hemoglobin exist in two state one is tensed state or deoxy hemoglobin that have less affinity for oxygen, the other state is relaxed state or oxy hemoglobin that has high affinity for oxygen.

              In hemoglobin rainer the formation of new di sulfide bond prevent the formation of ion pairs that normally stabilize the T state as a result T state get unstable and this unstable T state is converted to R state to achieve the stability of hemoglobin structure.

           The R or relaxed state of hemoglobin has high oxygen affinity for oxygen.

                     

         

4 0
3 years ago
Which of the following statements describes how a balance obtains a measurement?
Tanya [424]

Answer:

sorry if wrong

Explanation:

b I think sorry if wrong

8 0
3 years ago
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