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vlada-n [284]
3 years ago
7

What occurrence would contradict the big bang theory?

Biology
2 answers:
VARVARA [1.3K]3 years ago
5 0
The big bang theory states that the universe began approximately 10-20 billion years ago in an expansion of the universe emanating from an extremely compact point. The occurrence of super massive black holes contradict the big bang theory. Super massive black holes are found at the center of galaxies and is what keeps them together. Models do not explain how these would have formed if the big bang occurred the way it was proposed. 
vagabundo [1.1K]3 years ago
4 0

The answer choices are:

A. The percentage of carbon dioxide in Earths atmosphere increases

B. Scientist discover that 99% of the universes mass is hydrogen

C. A radio telescope detects microwave radiation in space

D. Distant galaxies more progressively farther away from Earth.

....if anyone can help

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You examine an epithelial cell (skin cell) and notice the chromosomes are visible however it appears there are two nuclei in the
krek1111 [17]

Answer:

The best explanation if we observe an epithelial cell with chromosomes are visible and two cell nuclei is that the cell has just gone through telophase but not cytokinesis (option b).

Explanation:

A somatic cell, when found in mitosis, exhibits the chromosomes distributed in both poles and the outline of two nuclei in the telophase phase, just before cytokinesis.

In mitotic telophase:

  • Chromatids, which are chromosomes, are found in the cell poles.
  • It initiates the formation of the nucleus membrane.
  • The chromosomes begin to turn into chromatin.
  • Disappearance of the mitotic spindle, duplication of organelles and cytoplasmic invagination.

The division and differentiation of the nuclei in telophase is called karyokinesis. Later, cytokinesis occurs, where the daughter cells are separated.

The other options are not correct because:

<em>     a and d. In the other phases described, </em><em><u>S and G1,</u></em><em> no chromosome distribution is observed at the poles.</em>

<em>     c. A somatic cell does not experience </em><em><u>meiosis</u></em><em>.</em>

6 0
2 years ago
A muscle cramp is a sudden, painful contraction of a muscle, during which movement is difficult. What is happening at the cellul
rewona [7]

Answer:

The correct answer would be B

Explanation:

6 0
3 years ago
Every species has a 2-part name representing its ___ and ___
Sonbull [250]

Answer: genus,  specific epithet.

Explanation:

The first part is the genus, it's always capitalized, while the second half is always in <em>italics </em>

e.g.<em> </em>Homo<em> sapiens </em>

4 0
3 years ago
Based on the chart below, if a patient can receive only blood types O- O+ B-, and B+ which blood type does she have
coldgirl [10]
The answer is A) a patient that can receive o- o+ b- and b+ is b+
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The scientist is studying the processes for which cellular respiration provides
Sauron [17]

Answer:

Glucose molecules in the bloodstream are absorbed by a muscle cell

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