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weqwewe [10]
3 years ago
5

Which of the following is true about chemical energy

Biology
1 answer:
Elis [28]3 years ago
6 0
I think its D but I'm not sure
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How do you determine the amount of electrons and protons?
Kamila [148]

Answer:

The number of protons in the nucleus of an atom is equal to the atomic number

the number of electrons in a neutral atom is equal to the number of protons

Explanation:

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In chickens, comb shape is determined by genes at two loci (R, r and P, p). A walnut comb is produced when at least one dominant
mariarad [96]

Answer:

in the obtained options, there is no dominant gene for the crossed pairs, therefore, no answer would be correct, however, when assigning a dominant character to the P gene, the correct answer would be:

E. Rr pp *rrPp

Explanation:

According to the information obtained we deduce:

Comb shape is produced by R and P

Comb of walnuts with an R or a P

Pink comb: 1 dominant P and R at the first locus and 2 recessive at the next locus

Pea comb: 2 recessive at the start and one dominant in the next position

1 single comb: 2 recessive at both loci

Rr pp × rr Pp will produce from the interbreeding: 2 walnuts, 1 single and 1 pea offspring.

We deduce that for the pink comb the genotype is: Rrpp

and for the pea comb it is rrPp

Rr pp × rr Pp generates crosslinks containing RrPp, rrPp, rrpp as children in a 2: 1: 1 ratio.

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3 years ago
Explain how messages travel to and from the brain through the nervous system
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<span>Messages to the brain travel along the nerves, which are strings of long thin cells called neurons</span>
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What is photosynthesis
almond37 [142]

Answer:

Photosynthesis is the process, in which the chloroplast in plant cells convert sunlight to energy for the plant

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What changes can be made to improve biodiversity?
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1. climate change (C)
2. use more nonrenewable resources (A)
3.by polluting near by streams with pesticides and herbicides (B)
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