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mestny [16]
3 years ago
10

Other than enzymes, what else can be used to separate the DNA strands?

Biology
1 answer:
Vanyuwa [196]3 years ago
4 0

Answer:

The enzyme responsible for separating the two strands of DNA in a helix so that they can be copied during DNA replication.Explanation:

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In a piece of hemoglobin beta chain,how might u look to see an mrna in Ecoli?
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Answer:

Hemoglobin is responsible for binding and transporting oxygen in the body. It is a tetrameric protein that is found in high concentration in red blood cells (erythrocytes, red blood cells). Each hemoglobin molecule is made up of four subunits: two of the alpha type and two of the beta type, and each subunit can bind an oxygen molecule through its heme group.

Structure studies have shown that hemoglobin can adopt two conformations, called T (tense) and R (relaxed). Deoxyhemoglobin (in blue) is in state T, and the union of oxygen (in red) causes the transition to state R. The animation shows a close view of the heme group (in white, balls and rods) of one of the subunits of hemoglobin. In the deoxygenated state (T), the iron atom is not coplanar with the rest of the heme group due to its association with the histidine side chain. The union of oxygen displaces the iron atom so that it remains coplanar with the rest of the heme group, which in turn drags histidine, producing a larger-scale conformational change that affects the entire protein.

Hemoglobin can be considered as a tetramer formed by two alpha-beta dimers. The conformational change associated with the transition from T to R mainly affects the relative position of these two dimers (rather than the interactions between the alpha and beta subunits within a dimer). This is illustrated in the last stretch of the animation (drawn in black and white).

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3 years ago
Pollution resulting from an oil spill is categorized as point source pollution. true or false?
Musya8 [376]

Answer:

true

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i hope this is what you need

3 0
3 years ago
complete the flow of deoxygenated blood other parts of the body (a)_____(b)_____tricuspid valve (c)______(d)_______capillary bed
NemiM [27]

Answer:

The correct flow is - the body (a)<u> Venules/vein/vena cava</u> (b) <u>Right atrium</u> tricuspid valve (c) <u>Right ventricle</u> (d)<u> Pulmonary artery, </u>capillary bed of the lungs(alveoli)​

Explanation:

Deoxygenated blood is moved from the tissues to the venules, veins or vena cava to the right atrium chamber and move through the tricuspid valve present in between both right chambers right atrium and right ventricle.

From the right ventricle, the deoxygenated blood is pumped into the pulmonary artery that takes the blood to the lungs more specifically to the capillary bed of lungs.

Thus, the flow is - the body (a)<u> Venules/vein/vena cava</u> (b) <u>Right atrium</u> tricuspid valve (c) <u>Right ventricle</u> (d)<u> Pulmonary artery, </u>capillary bed of the lungs(alveoli)​

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