The tendency of atoms to complete their outer energy level is known as the octet rule.
The octet rule states that atoms below atomic number 20 tend to combine so that they each have eight electrons in their valence shells, which gives them the same electronic configuration of a noble gas.
This rule is applicable to what are termed as main- group elements, especially carbon, nitrogen, oxygen, and the halogens but also metals such as magnesium and sodium, among others.
Strong and flexible I think
The correct answer is sex linkage.
Sex linkage refers to the phenotypic expression of an allele, which relies upon the gender of an individual and is directly associated with the sex chromosomes. These genes are regarded sex-linked as their expression and patterns of inheritance vary between the males and females. The sex linkage cannot be the same as genetic linkage, the sex-linked genes can be associated genetically.
1. With respect to oxygen requirements, an <u>aerobe </u>can use gaseous oxygen and possesses enzymes to process toxic oxygen products.
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What are enzymes?</h3>
Proteins called enzymes aid in accelerating our bodies' chemical reactions, or metabolism. Some compounds are created, while others are broken down. Enzymes are a component of all life. Enzymes are created by our bodies spontaneously.
2. Expanding on this classification, an <u>obligate </u>aerobe cannot grow without oxygen.
3. Still other organisms, called<u> facultative anaerobes</u>, metabolize by aerobic respiration but can adapt to anaerobic environments.
A facultative anaerobic organism is one that can switch from aerobic respiration to fermentation in the presence of oxygen to produce ATP.
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