B) atomic number = 16, atomic mass = 34, net charge = 3−
C) atomic number = 34, atomic mass = 16, net charge = 3+
D) atomic number = 34, atomic mass = 16, net charge = 3−
Atomic number = number of proton = 16
Atomic mass = number of proton + number of neutron = 16+18 = 34
Net charge = Number of proton - number of electron = 16-13 = +3
OPTION A IS YOUR ANSWER....
b. Escarpments
c. Artesians
d. Playas
Answer:
The correct answer is option A, Atolls
Explanation:
Atolls are coral reef island which surrounds lagoon. They are made up of volcanoes that resides under the water and thus these Atolls also remain hidden inside the water. This coral reef is also known as fringing reef because it forms fringes while surrounding an island below the water body . Atolls are involved in saving the island or sea.
Answer:
Division of the cell into two daughter cells.
Explanation:
Cytokinesis is the division of cytoplasm that occurs at the end of cell division to form two new cells, but the process that occurs in animal cells is very different from that in plant cells.
In both cases, however, the cell divides into two daughter cells identical to the mother cell.
In plant cells the golgi apparatus forms small vesicles that migrate to the central region of the cell. The vesicles fuse and form pockets called fragmoplasts, where new golgian vesicles will be added until the new cell wall is completely formed.
At the end of the process there will be two cells are approximately half the size of the initial cell.
In animal cells there is a constriction, such as a "strangulation", in the median region that progresses to complete separation to form two new cells. Cytoskeleton fibers act in this separation process.
B. its surface-to-volume ratio decreases as the cell becomes larger.
C. its surface-to-volume ratio decreases as the cell becomes smaller.
D. its ability to exchange materials is affected by a growing surface-to-volume ratio.
A cell can only grow to a certain size because as it grows, its surface-to-volume ratio decreases, reducing the efficiency of material exchange between the cell and its environment. The larger the cell, the more challenging it is to exchange materials, hence a size limitation.
The reason a cell can only grow so large in size is due to the decrease in its surface-to-volume ratio as the cell becomes larger. This concept, often discussed in biology, refers to the relationship between the surface area of a cell (which determines the amount of substances that can be exchanged with the environment) and its volume (which determines the amount of substances required by the cell).
As the cell grows larger, its volume increases more rapidly than its surface area, reducing the ability of the cell to exchange materials efficiently. Thus, the correct answer is Option B: its surface-to-volume ratio decreases as the cell becomes larger.
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Answer:
Inbreeding and greater chance of passing deletereous mutations through generations
Explanation:
There are several reasons why small populations are more prone to genetic diseases. One of them is that in small populations there tends to be more inbreeding , that is breeding between individuals are closely related. Inbreeding increase the chances of offspring being affected by deletereus homozygous genotypes.
On the other hand, the acquisition of a deleterious mutation in a small population is more likely to be spread in that small population than in a large population.
The small population is prone to the disease more than the large population as the former have less diversity of organism and therefore there are fewer chances of occurrence of an organism that have resistance to the disease.
Further Explanation:
Genetic drift refers to the change in the allele frequency observed in the population due to random sampling. This may occur due to a bottleneck effect or Founder’s effect.
The allele frequency remains constant if the population follows the Hardy-Weinberg equilibrium.
There is more probability of occurrence of diversity in a population of large size that is the large population has an organism that has homozygous dominant allele, heterozygous allele, and homozygous recessive allele. So there is more probability that this population may have an organism having disease-resistant allele than the population of small size.
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Answer Details:
Grade: High school
Chapter: Evolution
Subject: Biology
Keywords:
Population, organism, resistance, disease, Genetic drift, allele frequency, random sampling, bottleneck effect, Founder’s effect, Hardy-Weinberg equilibrium, homozygous dominant allele, heterozygous allele, a homozygous recessive allele
B.) release digestive enzymes.
C.) release secretions directly into the blood.
D.) usually have ducts.