Answer:
<u><em>Nucleotides base known as A is Adenine.</em></u>
Explanation:
A nucleotide comprises of the following three things:
- A nitrogenous base: <em>There are 5 types of nitrogenous bases. Adenine which is written as A, Guanine which is written as G, Cytosine which is written as C, Thymine which is written as T. The thymine is replaced by a Uracil in RNA. Uracil is written as U</em>.
- A five carbon sugar which is known as deoxyribose in the case of DNA and ribose in the case of mRNA.
- Phosphate groups
Answer:
They will cancel each other out and it won’t move
Explanation:
Answer:
C. genetic
Explanation:
It looks at the gene pool of specific species in an environment.
Given that organisms accumulate contaminants into their bioavailable fractions, we can conclude that the most likely outcome of this pollutant on the oysters is that <u>heavy metals will </u><u>bioaccumulate </u><u>in the oysters.</u>
Heavy metals that are often found in water include:
- Lead
- Copper
- Arsenic
- Cadmium
- Manganese
and more.
Though some metals are water-soluble, this does little to lessen the negative impact of their presence in the water. Water is used as an essential resource for all life. Metals in high concentrations, even those soluble in water, have been shown to be <em>fatal </em>to many organisms, including oysters.
Though oysters would suffer to a degree from biomagnification, <u>which is the accumulation of toxins in an organism through the food chain,</u> this will most likely become a serious problem higher up on the food chain, as the oysters are consumed by predators.
The most likely outcome of these pollutants in the water is that the Heavy metals will bioaccumulate in the oysters. This is due to the fact that the oysters will absorb the metals from the water. At high enough concentrations, this will lead to a decrease in the number of oyster offspring, possibly even reducing it to half.
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Answer:
THE THREE MAIN COMPONENTS OF ANY PLANT OR ANIMAL CELL ARE:
1. PLASMA MEMBRANE/ CELL MEMBRANE
Structure- a bilipid membraneous layer composed of proteins and carbohydrates. It is fluid like.
Function - the cell membrane separates the cell from its external environment, and is selectively permeable (controls what gets in and out). It protects the cell and provides stability.
Proteins are found embedded within the plasma membrane, with some extending all the way through in order to transport materials.
Carbohydrates are attached to proteins and lipids on the outer lipid layer.