What group was likely ancestral to land plants?
A. multicellular green algae found in marine habitats
B. multicellular brown algae found in terrestrial habitats
C. multicellular green algae found in freshwater habitats
D. multicellular brown algae found in marine habitats
Ans: C. multicellular green algae found in freshwater habitats
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Match the following items with the correct phrases.
_______1. _______________ is a common cause of subacute bacterial endocarditis (SBE) and a less common cause of cystitis. _______2. Certain strains of _______________ are the so-called flesh-eating bacteria. _______3. _______________ is a common cause of bacterial pneumonia, meningitis, and otitis media. _______4. _______________ is the most common cause of toxic shock syndrome. _______5. _______________ is one of the most common causes of neonatal meningitis. A) Staphylococcus aureus B) Staphylococcus epidermidis C) Streptococcus agalactiae D) Streptococcus pneumoniae E) Streptococcus pyogenes
Actin filaments associate with a nucleotide triphosphate.
a. true b. false
You mate two pea plants that are both AaBb and get a 3:1 phenotype ratio. This suggests
A. crossing-over occurred. B. independent assortment occurred. C. genes A and B are on different chromosomes. D. nondisjunction occurred. E. genes A and B are linked on the same chromosome.
Give an overview of the mechanism by which ultraviolet radiation induces the lytic pathway in lambda phage
What will be an ideal response?