A newly discovered unicellular organism isolated from acidic mine drainage is found to contain a cell wall, a plasma membrane, two flagella, and peroxisomes. Based on this information only, the organism is most likely to be ________.
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A young child who suffers from a metabolic disease is always…
A young child who suffers from a metabolic disease is always tired and fatigued. Which of the following organelles is most likely malfunctioning in this disease?
Which of the following functional groups is unreactive but w…
Which of the following functional groups is unreactive but when added to bases of DNA can alter gene expression?
A compound contains hydroxyl groups as its predominant funct…
A compound contains hydroxyl groups as its predominant functional group. Which of the following properties of the molecule can be predicted with the information provided?
A change of a single amino acid at a position distant from t…
A change of a single amino acid at a position distant from the active site of an enzyme can alter the substrate specificity ________.
Which of the following is the primary function of RNA molecu…
Which of the following is the primary function of RNA molecule?
Which of the following is similar between RNA and DNA?
Which of the following is similar between RNA and DNA?
What kind of bond is formed between the two hydrogen atoms a…
What kind of bond is formed between the two hydrogen atoms and the single oxygen atom?
How many electrons participate in a triple covalent bond?
How many electrons participate in a triple covalent bond?
A particular cell contains the following molecules and struc…
A particular cell contains the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. Based on this composition, it could be a cell from which of the following organisms?