BIOLOGY HIGH SCHOOL

If something is volatile, it _____ easily.A. cools
B. melts
C. liquefies
D. evaporates

Answers

Answer 1
Answer: The answer is (d) evaporates.

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Reword the following statement to make it true: Nucleoli are membrane-bounded structures present in the eukaryotic nucleus. A) Nucleoli are two lipid bilayers that surround nucleus in eukaryotic cells. B) Nucleoli are large protein complexes that cross the nuclear envelope in eukaryotic cells. C) Nucleoli are thin, dense meshworks of fibers lining the inner surfaces of the inner nuclear membranes of most eukaryotic cells. D) Nucleoli are structures made of DNA, RNA, and protein that are present in the eukaryotic nucleus.
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Which of the three experiments gave evidence that protein was not the genetic material?
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Which of the following is an extinct group of mollusks related to today's chambered nautilus?a. trilobites
b. ammonites
c. foraminifera
d. stromatolites

Answers

B. ammonites. is an extinct group of mollusks

Answer:

The answer is B. Ammonites Hope this helps!

Could testing for the Alu elements on chromosome 9 or 11 be used as a simple paternity test? How can I determine ,from a DNA band ,the genotype (insertion or deletion) of an Alu element ?

Answers

The statement that the testing for the Alu elements on chromosome 9 or 11 can be utilized by an individual for a paternity test is true.

It should be noted that testing for the Alu elements on chromosome 9 or 11 canbe used as a simple paternity test. This is because they're transposable elements that can act as markers.

Also, the polymorphism in it can be used for the paternity test. The genotype of an Alu element can be determined based on the width and the intensity upon which it's compared. When there's an insertion, there'll be an increase in the intensity of the band.

Learn more about chromosomes on:

brainly.com/question/3544336
bout like 3÷3 what is that supposed to mean like wtf

What effect did the demobilization that followed World War I have on the American workforce?

Answers

The effect that the demobilization that followed World War I have on the American workforce had was that several African American men and women lost their jobs to the returning servicemen that rejoined the work force. I hope that this is the answer that has actually come to your desired help.

B) Thousands of women and African-Americans lost their jobs as returning servicemen reentered the work force.

Bacteria come in assorted colors due to

Answers

Answer:

Different pigments.

Explanation:

Bacteria are the prokaryotic organisms that lacks the well developed nucleus. The endomembrane system is absent in bacteria and less cell organelle is present as compared with eukaryotic organism.

The bacteria are of different shape, size and colors. The colors of bacteria depend upon the type of pigment present in their body and the different wavelength of lights are absorbed by them. Pseudomonas contains the green color pigment pyoverdin and a blue pigment pyocyanin.

Thus, the answer is different pigments.
Bacteria come in assorted colors due to photosynthetic pigments.

When gametes combine to form a zygote, the chromosomes number of the zygote is now referred to asa. diploid.
b. haploid.
c. monoploid.
d. polyploid.

Answers

a. diploid

Fertilization is the combined sperm and egg cell to form a zygote.
Sexual reproduction provides genetic variation because the sperm and egg that are produced contain different combinations of genes than the parent organism.  Sexual reproduction involves meiosis which is the process of a cell doubling its DNA, shuffling its genes and then dividing the shuffled DNA among four cells.

Answer:

The correct answer is a. diploid.

Explanation:

Gametes are haploid entity which contains one genome or one complete set of chromosome a particular organisms. Gametes are represented by (n) and are produce as a result of meiosis in the germ cells during gametogenesis. Fusion or fertilization of a male and a female gamete results into one celled structure called zygote.  The zygote receives two genomes one each from a male gamete and a female gametes. Thus, a zygote contains two sets of chromosomes. ( n+n) = 2n or diploid.  

How does taxonomy help us understand relationships among organisms on earth? What kinds of evidence do scientists use in taxonomy?

Answers

Taxonomy helps us understand relationships among organisms on earth because you can produce a genetic tree diagram which starts from present day animals and goes back to the first early life forms. Scientists will use living organisms and extinct organisms either from fossils, from drawings or from photographs
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