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Setler [38]
3 years ago
11

1. la principal función del sistema respiratorio es llevar oxígeno a través de los vasos

Biology
1 answer:
aev [14]3 years ago
8 0

Answer:

No es la principal función.Es falso

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Use the drop-down menus to classify each worm into the appropriate group.
erastovalidia [21]

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In the food web the trophic level with the least energy includes which of the following organisms?
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What is the volume of 2.7 moles of N2 at STP?​
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Answer:

60.48L

Explanation:

By definition, at STP (Standard Temperature and Pressure), any gas takes up a volume of 22.4L.

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2.7*22.4L

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3 0
3 years ago
In mice, the ability to run normally is a dominant trait. Mice with this trait are called running mice (R). The recessive trait
BlackZzzverrR [31]

Answer:

Parental genotypes: RrBb, RRBB

Offspring phenotype: Running and black hair

Explanation:

Given, Running (R) is dominant over waltzing (r)

Black hair (B) is dominant over brown hair (b)

Parent 1: Heterozygous running, heterozygous black = RrBb

Parent 2: Homozygous running, homozygous black = RRBB

When they mate ( RrBb X RRBB ) :

Gametes produced by RrBb = RB, Rb, rB, rb

Gametes produced by RRBB = RB

Offspring:

        RB          Rb         rB        rb

RB   RRBB    RRBb    RrBB    RrBb

All offspring mice will be running mice and will have black hair because all the four types of genotype at least have one dominant allele for both the genes.

7 0
3 years ago
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