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Vera_Pavlovna [14]
3 years ago
15

The Sun's luminosity is greatest when there are few or no sunspots on the Sun. True or false

Biology
1 answer:
aliya0001 [1]3 years ago
7 0

Answer:

False

Explanation:

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A doctor is studying a disease where the nucleus of a cell does not grow properly. What do you think would happen to the cells'
Drupady [299]

Answer:

The cell would fail to function. It would likely fail to properly replicate DNA properly or transcribe genes.

Explanation:

The nucleus holds the genetic information, the DNA. If the nucleus does not grow properly, the DNA might not fit or be properly organized inside. This would mean DNA replication could not proceed as normal, and the DNA might not even be able to fit inside the nucleus!

The cell would also struggle to properly transcribe the DNA if the nucleus is not fully formed. DNA acts as a template for mRNA transcription, which directs protein synthesis. The cell will very quickly die if there are inaccuracies in protein synthesis due to mRNA not being adequately synthesized.

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USPshnik [31]

Answer: d. Extracellular matrix was discovered more than 20 years ago.

Explanation:

According to biological sciences, the extracellular matrix is a matrix that consists of three dimensional network of extracellular macromolecules such as enzymes, collagen and glycoproteins which provide structural and biological support for surrounding cells as well.

It is found that it is discovered over 20 years ago in the matrix formed in the mouse EHS sarcoma. Therefore, correct answer is (d).

3 0
3 years ago
How does adaptation affect the diversity of a species
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By the animal adapting they are able to reproduce more efficiently
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This is failure of chromosomes pairs to separate properly during meiosis is ?
vova2212 [387]
Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate properly during cell division. There are three forms of nondisjunction: failure of a pair of homologous chromosomes to separate in meiosis I, failure of sister chromatids to separate during meiosis II, and failure of sister chromatids to separate during mitosis.[1][2][3] Nondisjunction results in daughter cells with abnormal chromosome numbers (aneuploidy).
3 0
3 years ago
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After which event could you say with most certainty that evolution has occurred
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Reinassans. people left their nobles and started to become independant. this lead to buissens,trade,exporlation and discovery.    sorry about my spelling.
7 0
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