A dichotomous key is a type of single-access key that gives only two choices at one time, These keys are commonly used in biology in order to identify an unknown animal or plant.
Answer:
People with depression may have trouble maintaining a normal work schedule or fulfilling social obligations. This could be due to symptoms such as an inability to concentrate, memory problems, and difficulty making decisions.
Explanation:
A polypeptide is a chain of amino acids. The completed polypeptide chains come together to form proteins, so be careful not to get them mixed up!
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bicarbonate can act as an acid or a base (i.e., donate or accept hydrogen ions) depending on conditions.
Under present-day conditions, these reactions buffer the pH of surface seawater at a slightly basic value of about 8.1 (above the neutral value around 7.0). At this pH, the total dissolved inorganic carbon (DIC ~ 2 mM) consists of approximately 1% CO2, 90% HCO3–, and 9% CO32– (Figure 2.1). The total boric acid concentration (B(OH)4– + B(OH)3)) is about 1/5 that of DIC. As discussed in section 2.2, increases in CO2 will increase the H+concentration, thus decreasing pH; the opposite occurs when CO2 decreases. We note that isotope fractionation between B(OH)3 and B(OH)4–is used for estimating past pH values
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C a T ball
