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likoan [24]
3 years ago
6

What contracts to pump blood out of the heart?

Biology
2 answers:
OlgaM077 [116]3 years ago
6 0
Left ventricular must be right answer
larisa86 [58]3 years ago
6 0

the ventricles is the answer

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what are your bones made up of? please list them all! (if you answer correctly, i will mark branliest!)
zheka24 [161]

Answer:

Made mostly of collagen, bone is living, growing tissue. Collagen is a protein that provides a soft framework, and calcium phosphate is a mineral that adds strength and hardens the framework. This combination of collagen and calcium makes bone strong and flexible enough to withstand stress.

5 0
3 years ago
The Punnett square shows the possible genotype combinations of two parents who are heterozygous for a particular trait.
ANTONII [103]

Answer:

25%

Explanation:

The child only comes out as homozygous dominant (YY) for the trait in 1/4 boxes in the Punnett Square. This translates to the child having a 25% chance of being homozygous dominant for the trait.

5 0
4 years ago
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Which of these is an abiotic factor of an aquarium system
DanielleElmas [232]
Water
stones
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hope this helps!
4 0
4 years ago
Would it be easier for an aircraft carrier to launch planes traveling against the wind (headwind) or with the wind (tailwind)? W
VLD [36.1K]

Answer:

Should be with the wind as if it was against the wind it would be pushed back

Explanation:

3 0
3 years ago
Color in poison dart frogs is controlled by a single gene with multiple alleles. A blue poison dart frog that is heterozygous fo
8_murik_8 [283]

Answer:

Cb>Cy>Co>Cr

Explanation:

First of al we need to do the Punnett square. As a result we get the genotypes:

CyCb

CyCr

CoCb

CoCr

Because there are no red frogs, red is the least dominant as it isn't expressed in any genotype.

Half of the progeny are blue and half of the possible genotypes contain the blue allele meaning that blue is expressed in all genotypes. This means that blue is the most dominant.

The only alleles left are yellow and orange. We can deduce that yellow is more dominant than orange because one of the parent frogs is yellow and contains the genes for yellow and orange.

As a result blue is the most dominant, yellow is the second most dominant, orange is the third most dominant and red is the least dominant.

7 0
3 years ago
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