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Usimov [2.4K]
2 years ago
10

3. What is true of a gas?

Biology
1 answer:
antiseptic1488 [7]2 years ago
5 0

A or C

Explanation:

Gas does not have a volume correct me if im wrong

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Why is facilitated diffusion necessary?
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Answer:

to cross the plasma membrane.

Explanation:

Two classes of proteins that mediate facilitated diffusion are generally distinguished: carrier proteins and channel proteins.

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3 years ago
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A ______ is a cycle or orbit around the sun
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A PLANET

Explanation: BECAUSE THATS HOW WE GET DAY AND NIGHT PEOPLE IT TELLS YOU IN THE TEXT READ IT PAETTENTION

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in sexual reproduction an offspring is produced with genes from both parents when the offspring has a new genetic variation that
cluponka [151]

Explanation:

Mutations introduce novel variety in a population.

During the process of cell division, spontaneous changes within the genome can arise. These mutations are errors occur when copies of the DNA within the cell are made; mutations may range from small changes called single nucleotide polymorphisms, to large scale deletions, and additions which span multiple genes. There are two types:

  • somatic: these only occur within certain cells, and arise from environmental factors such as UV light
  • hereditary: occur within germ cells of the parent and later the fertilized egg which forms a zygote; these are present within all cells of the new organism.

Further Explanation:

During reproduction other events, such as crossing over during  meiosis, mutations lead to increases in genetic variation. This variation refers to the genetic characteristics present within a species. Mutations may be either beneficial or deleterious; they are maintained within cells, as they form new traits called alleles. Beneficial mutations may confer traits that increase the fitness of a species, along with ensuring survival by conferring a protective advantage- these phenotypic differences between organisms are called adaptations.

Sequences of DNA make up genes which can have different forms called alleles. DNA, which makes up the genotype, is transcribed into mRNA and later translated into amino acids which are linked together by rRNA to form proteins which make up the phenotype of an organism.Mutations in DNA sequences affect the corresponding mRNA and thus the protein encoded.

Learn more about mutations at brainly.com/question/4602376

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

3 0
2 years ago
1. What is the purpose of transcription? Why does it have to occur?
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Answer:

The goal of transcription is to make a RNA copy of a gene's DNA sequence. For a protein-coding gene, the RNA copy, or transcript, carries the information needed to build a polypeptide (protein or protein subunit). Eukaryotic transcripts need to go through some processing steps before translation into proteins.

Explanation:

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Suppose an environmental change that causes the soil color to become much different occurs in both environments. Which of the fo
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I'll need to see the choices/options in order to answer.

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3 years ago
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