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Novay_Z [31]
2 years ago
9

PLZ HELP 40PTSThe table below shows the mass of some horse fossils.

Biology
2 answers:
Anna11 [10]2 years ago
7 0

Answer:

D and 4

Explanation:

asambeis [7]2 years ago
4 0

Answer:

Its D and the last one is 4

Explanation:

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A 0.15-kilogram baseball moving at 20 meters per
AleksAgata [21]

Answer:

300N

Explanation:

Impulse= Mass * Velocity

F.T = M * V

F= MV/T

F= (0.15*20)/ 0.01

F= 300N

4 0
2 years ago
4. A(n) ______, such as a pigeon, is an organism that gains body heat primarily from its own metabolism.
hammer [34]

The answer is endotherm.

3 0
3 years ago
Base Sequence of Complementary DNA Strands One strand of a double-helical DNA has the sequence (59)GCGCAATATTTCTCAAAATATTGCGC(39
umka2103 [35]

Answer:

(3')CGCGTTATAAAGAGTTTTATAACGCG(5')

Explanation:

<em>The complementary strand is :</em>

(5')GCGCAATATTTTGAGAAATATTGCGC(3')

<em>The base sequence of the complimentary strand is:</em>

(3')CGCGTTATAAAGAGTTTTATAACGCG(5')

Because this sequence is self-complementary, the individual strands can form  hairpin structures. The two strands together may also form a cruciform.

Hairpin structures can be formed by sequences with inverted repeats through two major mechanisms.

  1. DNA is single stranded in cellular processes such as; during replication on the template for lagging-strand synthesis,  bacterial conjugation, natural transformation, and infection by some viruses. Single stranded DNA can fold into secondary structures recognized by proteins, involved in site-specific recombination, transcription, and replication.
  1. Hairpins can also be formed from double-stranded DNA  as a cruciform. A cruciform is a structure consisting of two hairpins extruding through intrastrand base pairing from a palindromic or inverted-reverse sequence.
6 0
2 years ago
The table below shows the number of the sub-atomic particles in an atom of nitrogen.
oee [108]

Answer:

14amu

Explanation:

Given subatomic particles:

  Number of protons  = 7

  Number of Neutrons  = 7

  Number of electrons  = 7

Unknown:

Atomic mass unit; amu of nitrogen

Solution:

The atomic mass unit of a substance is the number of protons and neutrons in such an atom;

     Atomic mass unit  = number of protons + number of neutrons

This is because the mass of an atom is concentrated in the nucleus;

   For the given specie;

        Atomic mass unit  = 7 + 7 = 14amu

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3 years ago
Explique que es coranavirus
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oye no me lo de baja enviar y me tocó tomarle pantallazo de lo que estaba escribiendo y espero te ayude

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