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Papessa [141]
4 years ago
8

What is true of an atom’s nucleus?

Biology
2 answers:
bearhunter [10]4 years ago
8 0
It is made up of protons and neutrons
Marina86 [1]4 years ago
5 0

It is positivly charged and includes most of the atoms mass

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How do you know if something is alive? Please help me describe some of the characteristics of living things.
Feliz [49]

Answer:

In order for something to be classified as living, it must grow and develop, use energy, reproduce, be made of cells, respond to its environment, and adapt. While many things meet one or more of these criteria, a living thing must meet all of the criteria.

8 0
3 years ago
In a relatively small iguana population the allelic frequency is tracked for three generations. Webbing is a recessive allele; n
arsen [322]

Answer:

The answer is C

Explanation: The random change in the gene pool is due to genetic drift. Remember, genetic drift occurs at a more rapid rate when the population size is reduced. The flood is a random occurrence. It could have as easily been a drought.

4 0
3 years ago
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2. use the words Endocytosis and Exocytosis in a sentence
ZanzabumX [31]
A cell would not function as much as it would with the Endocytosis and Exocytosis.
4 0
4 years ago
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In a two-factor cross, genes that are close together on the same chromosome follow mendel's law of independent assortment.
torisob [31]

False, it violates Mendel's law of independent assortment.

About mendel's law of independent assortment:

According to Mendel's law of independent assortment, the alleles of two or more distinct genes are independently selected into gametes. In other words, an allele for one gene does not affect the allele for another gene that a gamete acquires.

During his research on the genetics of pea plants in 1865, Gregor Mendel made the first observation of an independent assortment of genes and their related phenotypes. Mendel was doing dihybrid crosses, which are unions of organisms with two different features. He found that the trait combinations in his hybrids' offspring did not always correspond to the trait combinations in the parental organisms.

Learn more about independent assortment here:

brainly.com/question/28212521

#SPJ4

4 0
2 years ago
can someone explains (summarize) what photoperiodism is? And if it’s the same as photoperiodism
kompoz [17]

Answer: photoperiodism means the response of an organism to seasonal changes in day length. Photoperiodism isn't the same as Photoperiod because Photoperiodism merely refers to the potential of the plant to incite flowering relative to the changes in the photoperiod. Thus, photoperiod is a light duration or the length of day and night, while photoperiodism is the effect of light duration on the plant’s growth.

Explanation:

4 0
3 years ago
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