Answer:
I'm pretty sure there would be 1000 guanines in the DNA molecule.
Explanation:
Hope this helps. . . <3
If a DNA molecule with a total of 2500 nucleotides has 1500 purines, total number of guanines are in this DNA molecule is 1000 guanines in the DNA molecule.
What will be the total number of thymines if a DNA molecule has a total of 1500nucleotides?The DNA molecules would be given and it have 450 thymines if the DNA molecule has the total of 1500 nucleotides and the DNA molecule also have been known as the deoxyribonucleic acid has been made up of the double helix. The DNA molecule with the total of 1500 nucleotides would contain 750 cytosine and Thymines and 750 guanines and adenine.
Hence, we can have the expression:
C + T = 750
If there are 300 cytosines, hence;
300 + T = 750
T = 750 - 300
T = 450
A nucleotide has the monomer constituting DNA or RNA biopolymer molecules and the double-stranded DNA molecule posseses two strands of DNA made up of the nucleotides.
Therefore, If a DNA molecule with a total of 2500 nucleotides has 1500 purines, total number of guanines are in this DNA molecule is 1000 guanines in the DNA molecule.
Learn more about DNA molecule on:
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Where does hunger originate? A., B., C., or D.
Answer:
The answer is (C) In the hypothalamus
Explanation:
Within the hypothalamus are nerve cells that, when activated, produce the sensation of hunger.
What is the true nature of science?
Answer:
Scientific Knowledge Is Based on Empirical Evidence; Scientific Knowledge Is Open to Revision in Light of New Evidence; Science Models, Laws, Mechanisms, and Theories Explain Natural Phenomena. Science Is a Human Endeavor; and. Science Addresses Questions About the Natural and Material World.
8. Identify THREE structures found in plant cells but not in animal cells
Answer: cell wall, chloroplasts, plastids, and a central vacuole
Explanation:
Answer:
Vacuole
cell wall
chloroplast : photosynthesis
Over time, if drought conditions occur, what could happen to the number of birds with the spoon beaks in the population?
(a) increase
(b) decrease
(c) remain the same
Can someone help me, my paper is due tonight.
Describe solution concentration outside the cell in terms of hypotonic, hypertonic and isotonic.
Answer:
see below
Explanation:
Hypotonic solution is a very dilute solution to the more concentrated solution. Hypo means under . A solution with a lower concentration of solutes than the cytoplasm of a cell, that solution is hypotonic to the cytoplasm. The cell expands as water moves in.
Hypertonic solution is a more concentrated solution to cytoplasm. Hyper means above. A hypertonic solution has higher concentration of solutes than the cytoplasm of the cell. The cell shrinks as its cytoplasm loses water.
Isotonic solution is when two solutions of equal concentration are separated by a semi permeable. Iso means equal. Therefore, in isotonic solutions, water movement out of a cell balances the water movement into it. Cells in the body are usually surrounded by a fluid. The cytoplasm in the cell is usually isotonic to the fluid outside the cell. Hence, no net gain or loss of water by cells.
So, basically, if a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink. In an isotonic environment, there is no net water movement, so there is no change in the size of the cell. When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell.
Recombination (crossing over) during prophase I of meiosis occurs when:
Answer:
meiosis before tetrads are aligned along the equator in metaphase I.
Explanation:
When chromatids "cross over," homologous chromosomes trade pieces of genetic material, resulting in novel combinations of alleles, though the same genes are still present. Crossing over occurs during prophase I of meiosis before tetrads are aligned along the equator in metaphase I
Which of the following statements about metabolism is incorrect?
Select one:
a. Metabolism manages the utilization of materials and energy resources.
b. The uptake of water associated with the hydrolysis of biological ppolymers is part of metabolism.
c. Metabolism depends on a constant supply of energy.
d. None of these statements about metabolism is incorrect.
e. Metabolism is an emergent property of life at the level of organisms.
Answer:
The correct answer is (e) None of these statements about metabolism is incorrect. Although chemical reactions take place outside of living organisms, regulated metabolic pathways are unique to living organisms. ... Finally, metabolism utilizes water to break bonds in macromolecules through a process known as hydrolysis.The use of marijuana while drinking alcohol
lowers the BAC of the driver causing some impairment of driving ability
does not affect driving ability
may affect driving ability if both substances are taken in abundance
impairs driving beyond that usually related to the BAC of alcohol
