In a biology lab experiment, you and your classmates planted seeds from eudicot and monocot plants in soil that had been processed to remove nutrients. The seeds of each plant were still able to perform metabolism, enabling them to germinate and develop into seedlings. The nutrients were provided from the
A. spore coat.
B. seed coat.
C. endosperm.
D. pollen grain.
E. fruit.
C. endosperm.
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A fruit fly homozygous for wild-type eyes and straight wings was crossed with a fly homozygous for rosy eyes and wrinkled wings. The progeny all showed wild-type eyes and straight wings
When crossing the F1, the resulting offspring showed 3 wild-type eyes/straight wings : 1 rosy eyes/wrinkled wings. This data suggest: A. rosy eyes is dominant. B. straight wings is recessive. C. these two genes are linked. D. these two genes are sex-linked. E. these two genes are codominant.
If you observe a cell that contains organelles, then that cell is most likely a prokaryote
__________________ Indicate whether the statement is true or false.
Which statement is true regarding kidney stones?
A. Their removal always requires surgery. B. Most of them block a ureter or urethra. C. They are made of uric acid and calcium. D. They cause tumors in the kidney. E. They occur as a result of diabetes mellitus.
Which is a monosaccharide?
a. glucose b. chitin c. amylose d. starch e. glycogen