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Kruka [31]
3 years ago
15

Which of the following statements is true? A. Our galaxy contains many billions of universes, and each universe contains many bi

llions of stars. B. The universe contains one galaxy, which contains about three million stars. C. The universe contains many billions of galaxies, and each galaxy contains many billions of stars. D. Our solar system contains many billions of stars, and each star contains one galaxy. Reset Submit
Biology
2 answers:
GuDViN [60]3 years ago
6 0

Answer:

C.

Explanation:

Lemur [1.5K]3 years ago
4 0
C.
The universe contains many billions of galaxies and each galaxy contains many billions of stars.
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Order the following terms from smallest to largest: genome, atoms, DNA, chromosomes, molecules, chromatids, nucleotide, gene
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3 years ago
A purebred tall pea plant is cross-pollinated with a tall, heterozygous pea plant. Use a Punnett square to determine the probabi
Ray Of Light [21]

Answer:

0%

Explanation:

This question involves a gene coding for height in pea plants. The allele for tallness (T) is dominant over the allele for shortness (t). This means that allele T will be expressed over allele t in an heterozygous state.

A purebred tall plant will possess genotype: TT while a heterozygous tall plant will possess genotype: Tt. The two parents will produce the following gametes:

TT- T and T

Tt- T and t

Using these gametes in a punnet square (see attached image), the following offsprings with genotypes: TT and Tt in a ratio 1:1 will be produced.

TT offsprings are purebreed tall while Tt offsprings are heterozygous tall. Hence, based on the question, no offsprings of this cross will possess the recessive genotype (tt). This means that 0% of the offsprings of this cross will be short.

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3 years ago
Definition of global warming
Natali [406]

Answer:

a gradual increase in the overall temperature of the earth's atmosphere because of the greenhouse effect caused by increased levels of pollutants.

Explanation:

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2 years ago
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The organic molecule called ______ is formed of branched chains of sugar units. it is used by humans (and other mammals) to stor
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Answer;

-Glycogen

The organic molecule called glycogen is formed of branched chains of sugar units.

Explanation;

-Glycogen is a branched polysaccharide of glucose that serves as a form of energy storage in humans, animals, fungi, and bacteria.

-In humans, glycogen is made and stored in liver and muscle cells. Muscle cell glycogen is broken down into glucose, and liver glycogen is broken down into glucose as a circulating energy source glucose for use by the body.

-Glycogen is accumulated in response to insulin and broken down into glucose in response to glucagon. It plays a major role in maintaining the blood-glucose levels, which is vital since some organs in the body such as the brain purely depend on glucose for energy.

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The ability to change color to avoid predators is a?
ZanzabumX [31]
It is called camouflage
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