A closed system does not exchange energy with its surroundings
__________________ Indicate whether the statement is true or false.
T
You might also like to view...
Vascular cambium is capable of producing:
A. primary xylem only. B. primary phloem only. C. secondary xylem only. D. secondary phloem only. E. secondary xylem and phloem.
What happens at the G2Â checkpoint?
A. The cell checks that the DNA has replicated. B. The cell receives external signals to divide. C. The cell makes sure the chromosomes are lined up correctly. D. The cell enters G0. E. The cell makes a commitment to divide.
In eukaryotic cells, we sometimes find reverse transcriptase activity, even though the cells are not infected with a retrovirus. This activity can be attributed to
A) the presence of transposons integrating into polymerase genes. B) the presence of viroids. C) the presence of retrotransposons. D) infection with small bacteria known as mycoplasmas. E) a novel prion infection.
Where does photosynthesis take place ineukaryotic cells?
a) Mitochondria b) Ribosomes c) Chloroplasts d) Lysosomes