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12345 [234]
3 years ago
10

Describe how the first organic molecules arose.

Biology
2 answers:
Naya [18.7K]3 years ago
4 0
Atoms combined to make molecules most likely through compound or ionic bonds
Nataly [62]3 years ago
3 0

Answer: due to chemical change/reaction, and combinations

Explanation:

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If a dna sequence consists of 12 nucleotides, how many mrna codons will there be?
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Since each codon consist of 3 nucleotides, 4 cordons can be formed by 12 nucleotides. (but please make sure that you check this answer. I am not completely sure)

5 0
3 years ago
Zirconium has an atomic number of 40 and an atomic mass of 91. How many neutrons does it have?
Natali [406]
Subtract the atomic number from the atomic mass to get the neutrons 
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2 years ago
What would happen if the pouter pigeon and the fantail pigeon and the fantail pigeon were selectively bred?
lozanna [386]
<h2>Answer:</h2>

The offspring population will contains the desirable characteristics of both fantail pigeon and the fantail pigeon.

<h3>Explanation:</h3>
  • The selective breeding is the planned breeding between two organism of the population with desirable properties to result in the new traits from both parents in the single next generation offspring.
  • In this case, the offspring of the pouter pigeon and the fantail pigeon will contain the traits of pouter and it also has fantail.
  • The new generation will be selective breed an it is from the breeding of intra specie organism. If breeding is inter specie than the offspring is most probably infertile.
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3 years ago
What are the labeled cell parts for this?
vazorg [7]

M-Vacuole

E-Mitochondria

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J-Cell Membrane

I-Golgi Bodies

N-Nucleus

A-Endoplasmic Reticulum

L-Cytoplasm

F-Ribosomes

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3 years ago
Why do dogs hate bears?
Ne4ueva [31]
Not all dogs hate bears but i have two awnsers.

1. the dogs are trying to protect their territory.

2. they think the bear might attack or harm their owner/ puppies.
7 0
3 years ago
Read 2 more answers
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