BIOLOGY HIGH SCHOOL

During interphase, the DNA in the nucleus of the cell is thin and threadlike and called _____.

Answers

Answer 1
Answer: During interphase, the DNA in the nucleus of the cell is thin and threadlike and called chromatin.

>Chromatin is a complex of DNA and proteins that creates chromosomes within the nucleus of eukaryotic cells.
>Chromatin is a mass of genetic material comprised of DNA and proteins which condenses to form chromosomes.

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The biosphere is best described as the regions of Earth that support _______.a.plant lifeb.animal lifec.all lifed.human lifeCan someone help me with this one?
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The first species that colonizes new or undisturbed land is called a _______ species.

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The first species that colonizes new of undistributed land is called as pioneer species, or simply pioneers. If you check the meaning of pioneer, it's a type of person or entity that became the first to explore or exploit a certain something. In this case, they were the first species who explores the lands to create a society.

Which mutation would be most beneficial to an elephant and its descendents?A.a mutation of the hemoglobin allowing better oxygen-carrying capacity

B.a mutation of the tail fur so it becomes course and thick

C.a mutation of the skin color resulting in an albino (white) elephant

D.a mutation of the tusk size and length resulting in smaller and shorter tusks

Answers

I mean I would personally say A,

If you can increase the oxygen carrying capacity of your red blood cells, it means you would have to circulate less of them to keep cells alive, respectively this would require less energy and thus, less food to consume. That would be a competitive advantage. All the rest would't be as beneficial as that

If a geneticist is studying what each allele combination looks like-its visible expression in an organism, height, hair color, eye color-the geneticist is studying an organism's........ a) Genotype b) Phenotype c) Karyotype d) Genomics

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Answer:

If a geneticist is studying the visible expression of allele combinations in an organism, such as its height, hair color, and eye color, they are studying the organism's phenotype. Therefore, the correct answer is b) Phenotype.

Which type of tissue coats surfaces? a. connective tissue
b. epithelial tissue
c. muscle tissue
d. nervous tissue

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Epithelial tissue coasts surfaces

Scientists want to determine how closely related chimpanzees are to humans. Which data would give the MOST accurate comparison?A) their niches
B) their DNA sequences
C) their physical characteristics
D) their behavioral characteritics

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The correct answer is option B) their DNA sequences.

The best comparison for finding out the evolutionary relationship between two organism is the comparison of their DNA (deoxyribonucleic acid) sequence. The organisms, which are more closely related to one another share more similarity in the DNA sequence as compared to the distantly related organism, so, the comparison of the DNA can help in determining the evolutionary relationship between the organism.
B: their DNA sequences?

Use the diagram of Earth to match each letter to its description.A. The equator
B. A woman walks in a straight line with the sun to her right at nine o'clock in the morning. Toward which pole does she walk?
C. A man walks in a straight line with the sun to his right at three o'clock in the afternoon. Toward which pole does he walk?
D. A line of longitude

Answers

A. The equator
The line in the center which divides the Earth into Northern Hemisphere and the Southern Hemisphere.

B. A woman walks in a straight line with the sun to her right at nine o'clock in the morning. Toward which pole does she walk?
I  think the woman is walking towards the north pole.

C. A man walks in a straight line with the sun to his right at three o'clock in the afternoon. Toward which pole does he walk?
I think the man is walking towards the south pole.

D. A line of longitude
The longitude are vertical lines parallel to the Prime Meridian.

Woman walks in a straight line towards the north pole. In the morning the sun is in the east.

At night the sun is in the west therefore the man is walking to the south pole.

Equator is the termed as the line of latitude.

A line of longitude is known as the vertical lines which are parallel to the prime meridian.
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