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dezoksy [38]
3 years ago
14

When one dna molecule is replicated to make two dna molecules, the new dna contains ____________

Biology
1 answer:
babunello [35]3 years ago
4 0
D. 50% of the parent DNA
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What molecules need to travel<br> through ATP synthase to help it<br> create ATP?
Anna [14]

Answer

Hydrogen ion movement form ATP in ATP synthase .

Explanation:

ATP synthase is present in mitochondrial membrane when pass hydrogen ion in to lumen of mitochondria and due to proton gradient generate ATP molecule with pass of hydrogen ion into lumen ATP is formed from ADP and inorganic phosphorous molecule . Passing of three hydrogen io generate one ATP molecule .So movement of hydrogen ion is directly related to ATP synthases.

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3 years ago
**HELP NOW**Which best explains why the siblings look more like each other and less like their grandparents?
Oxana [17]
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5 0
3 years ago
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Ksivusya [100]

Answer: Homeostasis

Explanation: One way that a cell maintains homeostasis is by controlling the movement of substances across the cell membrane. The lipid bilayer is selectively permeable to small, nonpolar substances. Proteins in the cell membrane include cell-surface markers, receptor proteins, enzymes, and transport proteins.

6 0
3 years ago
Which statement describes natural selecion?​
MatroZZZ [7]

Answer:

Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others.

3 0
2 years ago
Hi! I am confused on how to do Q2. Anyone doing A-levels can solve that questions and explain? Thanks! &lt;3
riadik2000 [5.3K]

Answer:

i) Glucose

ii) β(1-4) glycosidic bonds.

iii) Oxygen

Explanation:

Cellulose is an important structural carbohydrate found in plants. It forms a major component of the plant cell wall.

Cellulose is a polysaccharide formed by monomers of glucose.  These glucose monomers are joined together by covalent bonds called β(1-4) glycosidic bonds, which means that the 1st carbon of one glucose is bound to the 4th carbon of the next glucose. To make this arrangement,  every other glucose molecule in cellulose is inverted, which you can see in the diagram.

Glucose monomers contain carbon, hydrogen, and oxygen only. If you look at the pattern of the molecule (remembering every second glucose is inverted), you can see that Z must be O.

The functional group denoted by Z is oxygen. The OH groups on the glucose from one cellulose chain form hydrogen bonds with oxygen atoms on the same or on another chain, holding the chains firmly together and forming very strong molecules - giving cellulose its strength.

4 0
3 years ago
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