While a mutation will not always change the phenotype of an individual, it will always change the genotype
A. true
B. false
A
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Answer the following statements true (T) or false (F)
1. Red algae, green algae, and plants are so closely related that they are grouped in the same supergroup by most biologists. 2. Animals and fungi are more closely related to each other than either is to plants. 3. Zoospores are single flagellated cells that disperse otherwise nonmotile protists. 4. Sexual reproduction provides multiple benefits to protists. 5. The alternate host for Entamoeba histolytica is the Anopheles mosquito.
An environmental testing laboratory is unable to identify a single-celled organism isolated from a well water sample. Inspection of the microorganism with a compound microscope reveals that it uses pseudopodia for movement and is not enclosed within a mineral shell. Based on this information, this organism can be classified to which supergroup?
A. Opisthokonta B. Alveolata C. Amoebozoa D. Rhizaria E. Excavata
Which of the following is considered to be a differential staining procedure?
A. Acid-fast stain B. Gram stain C. Both Gram stain and Acid-fast stain D. Leifson's flagella stain
If all the following DNA fragments were analyzed on an electrophoresis gel, which one would migrate farthest from the negative electrode?
A) 5000 base pairs B) 750 base pairs C) 1000 base pairs D) 250 base pairs E) 2500 base pairs