What is the function of the generative cell in conifers?
A. Maturation of the female cone
B. Dispersal of the pollen
C. Formation of the sperm
D. Growth of the megaspore
E. Production of the archegonium
Answer: C
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Carotenoids are hydrophobic accessory pigments and vary widely in the color they can absorb
Indicate whether the statement is true or false.
Since there is a larger concentration of potassium ions inside a neuron, why is the inside of the neuron negative (-70mV) relative to the outside?
A. Potassium ions carry a negative charge. B. Negatively-charged proteins inside the cell counteract the charge of the potassium ions. C. The negative sign is just a historical convention. D. The high concentration of sodium ions outside the cell makes the inside negative by comparison.
All bacteria in general clostridium and bacillus are capable of endospore production.
a. true b. false
Primarily multicellular eukaryotic organisms that obtain food by absorbing organic substances belong to the Kingdom
A. Fungi. B. Archaea. C. Protista. D. Plantae.