Answer the following questions true (T) or false (F)
1. In humans, females contribute more resources to reproduction and development than males.
2. Women produce oocytes from stem cells from puberty all throughout life.
3. An egg implants in the uterus and awaits sperm for fertilization.
1. TRUE
2. FALSE
3. FALSE
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Which of the following conclusions is most likely to be correct?
A. These results suggest that the drug inhibits post-translational processing of this gene. B. These results suggest that the drug contains a protease that targets this gene product. C. These results suggest that the drug digests DNA. D. These results suggest that the drug affects RNA processing. E. These results suggest that the drug inhibits DNA replication.
Natural selection favoring the heterozygote
a. increases the genetic variability of a population b. decreases the genetic variability of a population c. maintains the genetic variability of a population
In metabolic processes of cell respiration and photosynthesis, prosthetic groups such as heme and iron-sulfur complexes are encountered in components of the electron transport chain. What do they do?
A) donate electrons B) act as reducing agents C) act as oxidizing agents D) transport protons within the mitochondria and chloroplasts E) both oxidize and reduce during electron transport
Which of the following possesses gills?
A. sea cucumber B. guppy C. sea star D. snail E. All of the choices are correct.