All of the following are true about this image EXCEPT:
a. DNA replication has occurred.
b. One pair of homologous chromosomes is present.
c. The trait represented is heterozygous.
d. The genotype is either pp or PP.
D
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Germ layers are
A. layers infected with bacteria. B. embryonic layers with different developmental potentials. C. layers of cells surrounding the egg prior to fertilization. D. colonial protists arranged in layers. E. layers of gametes.
A dense, irregularly shaped region within the nucleus in which subunits of ribosomes are synthesized is called the:
a. plastid b. vacuole c. microvillus d. nucleolus e. basal body
Which hormone is responsible for the enlargement of the mammary glands during pregnancy?
a. estrogen b. luteinizing hormone c. oxytocin
d. progesterone e. prolactin
Glucose and other nutrients are moved from the filtrate back into the blood by the process of ____________________. Fill in the blank(s) with the appropriate word(s)