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algol13
3 years ago
13

Nearly all fossils occur in what kind of rocks?

Biology
1 answer:
jolli1 [7]3 years ago
8 0
A fossil will most likely be found in a sedimentary rock.
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The goal of science is to explain natural phenomena .true or false
gizmo_the_mogwai [7]

False, science aims to explain and understand. Science as a collective institution aims to produce more and more accurate natural explanations of how the natural world works, what its components are, and how the world got to be the way it is now.

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Where is the asthenosphere found?
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The asthenosphere is the viscous, mechanically weak and ductilely-deformed part of the upper mantle under the lithosphere (crust).
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(03.05 hc) the base pairs in a dna strand are held together with hydrogen bonds. if the two nitrogenous bases in each pair were
asambeis [7]

The cell would have to take in and use more energy in order to break the covalent bonds.

The correct option is B

Hydrogen bonds :

are the chemical mechanism that governs the complementarity of the bases of DNA. This correspondence is unique thanks to the geometry of the hydrogen donor atoms and the acceptors that form the bases.

The (hydrophobic) bases are stacked inside the double helix of DNA; their plane is perpendicular to the axis of the double helix. The outside (phosphate and sugar) is hydrophilic.

The hydrogen bonds between the bases of one strand and the bases of the other strand keep the 2 strands united.

One purine on one strand necessarily binds to a pyrimidine on the other strand. As a corollary, the number of purine residues is equal to the number of pyrimidine residues.

* A binds to T (by 2 hydrogen bonds).

* G binds to C (via 3 hydrogen bonds: more stable bond: 5.5 kcal vs 3.5 kcal).

What part of the DNA strand do hydrogen bonds hold together?

hydrogen. Covalent bonds occur within each linear strand and strongly bond the bases, sugars, and phosphate groups (both within each component and between components). Hydrogen bonds occur between the two strands and involve a base from one strand with a base from the second in complementary pairing.

Learn more about DNA strand:

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7 0
2 years ago
What links the two strands in a dna helix together in the middle
Doss [256]
They are held together by weak hydrogen bonds
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3 years ago
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While walking in the forest, your friend observed a small animal crawling on a tree. The animal had a rigid body with three body
Neporo4naja [7]

Answer:

The most likely preferable option will be - A.

A. Insects.

Explanation:

The basic features of insects -

  1. Insects have an exoskeleton outside of their body or a shell-like covering on the outside of its body.
  2. Insects have a body with three segments: head, thorax, and abdomen.
  3. Insects have two large eyes and a pair of antennae on top of their heads.
  4. Insects have six legs (3 pairs).
  5. Insects have two pairs of wings on the dorsal part of their body.

 

7 0
3 years ago
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