Implantation occurs at which stage of human
pregnancy?
a. zygote
b. early cleavage
c. blastocyst
d. gastrula
e. morulav
Answer: c
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How does the size of fungal hyphae contribute to their ability to decompose detritus?
A. Fungal hyphae have a low ratio of surface area to volume, so they are able to absorb more nutrients. B. Fungal hyphae have high ratio of surface area to volume, so they are able to absorb more nutrients. C. Fungal hyphae have a low ratio of surface area to volume, so they are able to secrete more digestive enzymes into the surrounding environment to break down detritus. D. Fungal hyphae have a high ratio of surface area to volume, so they are able to secrete more digestive enzymes into the surrounding environment to break down detritus.
Vascular plant cells generally have the ability to differentiate into various types of tissue–a fact long known to horticulturists who propagate plants by cuttings
This means that plants do not display the strict separation of germline and somatic cells that animals do. Might this be expected to accelerate or decelerate evolution in plants relative to animals?
The genes along a particular linear chromosome are illustrated in the figure above. The frequency of crossover events between these loci will be least frequent for genes
A) a and b. B) b and c. C) c and d. D) d and e. E) a and e.
The renal medulla is the inner portion of the kidney. Indicate whether the statement is true or false