This organelle acts as a digestive organelle and may also be used to recycle the internal components of a cell.
a. ribosome
b. lysosome
c. peroxisome
d. Golgi apparatus
b. lysosome
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Mitochondria move from the cytoplasm into mitochondria using _____
Proteins coded for by nuclear DNA but found within A) signal sequences (peptides) B) random transport vesicles C) attachment of ribosomes to outer mitochondrial pores and direct deposition into the inner mitochondrial compartment D) mRNAs that are manufactured in the nucleus, but translated by mitochondrial ribosomes
The synaptic cleft is
A. a deep furrow in a postsynaptic cell where signals are received. B. specialized channels in the presynaptic membrane that allow the passage of ions. C. the narrow extracellular space between the presynaptic and postsynaptic neurons at the synapse. D. recesses in the postsynaptic neuron membrane where neurotransmitters bind. E. the area of neuronal membrane between the dendrites and the axon hillock.
The ____ of marine mammals receives normal blood supply during deep dives
a. lungs b. heart c. brain d. blood vessels e. heart, brain, and blood vessels
TLRs attach to all of the following EXCEPT
A) AMPs. B) flagellin. C) LPS. D) PAMPs. E) peptidoglycan.