Classification.Respond to the following statements with reference to the flower parts listed below.
A. Haploid cell that gives rise to the female gametophyte.
B. Mitosis and differentiation of this structure produces pollen grains.
C. Structure in which a female gametophyte forms.
D. Ovules form inside this structure.
E. Embryo sporophyte packaged with nutritive tissue inside a protective coat.
A. megaspore
B. microspore
C. ovule
D. ovary
E. seed
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Which of the following is a function or characteristic of initiationfactors that is common to both bacteriaand eukaryotes?
A. bring initiator tRNA to the P site on the small subunit B. bind uncharged tRNA to aminoacyl-tRNA synthetases C. identify the start codon D. release stem loop structures E. catalyze peptide bond formation
he route that most accurately describes secretory protein movement through the endomembrane system would be
A. Golgi apparatus?smooth endoplasmic reticulum ?lysosome?vesicles?plasma membrane B. plasmid?plasma membrane?nuclear envelope?smooth endoplasmic reticulum?vesicles C. nuclear envelope?vesicles?Golgi apparatus?rough endoplasmic reticulum?plasma membrane D. lysosomes?rough endoplasmic reticulum?smooth endoplasmic reticulum?vesicles?plasma membrane E. rough endoplasmic reticulum?vesicles? Golgi apparatus?vesicles ?plasma membrane
Why is it important that humans attempt to control their numbers and begin to identify renewable resources?
What will be an ideal response?
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