I play tennis lots and am a very hard core athlete. Unfortunately static is not the answer. Static is what you want to do after a workout. Before you start a Workout, you want stretch in a way to loosen your muscles up and warm your body up in general. This will require moving around. We can eliminates static and all of the above. Therefore it’s you choice between A and B. You can do it! Use the information I gave you and use it toward your answer. Trust me, learning the information will help you in the long run! Good luck!
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<span>Which type of website represents the current administration's point of view and can be trusted to provide reliable information?
</span>.gov websites represent the current administration's point of view and can be
trusted to provide reliable information.
Good conductors of heat- aluminium, Iron, Lithium, Beryllium.
poor conductors- Mercury, Hydrogen, titanium, Chromium
Answer:
D. Yes, two hydrogen bonds could form between thymine and cytosine.
Explanation:
A hydrogen bond (often informally abbreviated H -bond) is a primarily electrostatic force of attraction between a hydrogen (H) atom which is covalently bound to a more electronegative atom or group, particularly the second-row elements nitrogen (N), oxygen (O), or fluorine (F)—the hydrogen bond donor (Dn)—and another electronegative atom bearing a lone pair of electrons—the hydrogen bond acceptor (Ac).
The formation of stable hydrogen bonds depends on the distance between two strands, the size of the bases and geometry of each base. Stable pairings occur between guanine and cytosine and between adenine and thymine (or adenine and uracil in RNA).
One hydrogen bond could form between the C4 carbonyl group on thymine (a hydrogen bond acceptor) and the C4 amino group on cytosine (a hydrogen bond donor). Another hydrogen bond could form between N3 of thymine (a hydrogen bond donor) and the N3 of cytosine (a hydrogen bond acceptor). Note that the C2 carbonyl groups found on both bases are both hydrogen bond acceptors and therefore a hydrogen bond cannot be formed between them.
