Lactobacillus grows optimally at ________ pH.
A. slightly alkaline
B. very acidic
C. neutral
D. slightly acidic
Answer: D
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Which notation represents a testcross? (A “dash” indicates the allele's identity is unknown.)
a. R-MM ´ R-mm b. RRMM ´ rrmm c. R-M- ´ R-Md. rrMM ´ RRmm e. R-M- ´ rrmm
What tiny structures increase the root's surface area available for taking up soil water along with dissolved oxygen and mineral ions?
a. vascular bundles b. fibrous roots c. root hairs d. pericycle e. vascular cylinder
Amino acids are to proteins as ____ are to carbohydrates
A) nucleic acids B) fatty acids C) monosaccharides D) nucleotides
Autotrophs use solar energy to build their own complex organic molecules from inorganic compounds such as water and carbon dioxide
Indicate whether the statement is true or false