Predict what would occur if the amount of sodium suddenly increases in the blood.
A. Blood osmolarity would increase.
B. Blood aldosterone levels would decline.
C. Blood antidiuretic hormone would decline.
D. Both blood osmolarity would increase and aldosterone levels would decline.
E. Both blood osmolarity would increase and antidiuretic hormone levels would decline.
D. Both blood osmolarity would increase and aldosterone levels would decline.
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As scientists were unraveling the mysteries associated with transcription and translation in eukaryotes, they discovered there was not a one-to-one correspondence between the nucleotide sequence of a gene and the base sequence of the mRNA it codes for
They proposed the genes-in-pieces hypothesis. How can the genes-in-pieces hypothesis be explained? A) Introns are noncoding segments of DNA that are present in the initial transcript, but are removed by splicing. B) Introns are noncoding segments of DNA that are not read or transcribed by RNA polymerase II. C) Exons are noncoding segments of DNA that are not read or transcribed by RNA polymerase II. D) Exons are noncoding segments of DNA that are present in the initial transcript, but are removed by splicing.
The DNA-protein complex in eukaryotic chromosomes is called the genome
Indicate whether the statement is true or false
Which is the correct sequence of polypeptide
transport in the secretory pathway? a. plasma membrane >>> Golgi bodies >>> ER >>> ribosome b. plasma membrane >>> ER >>> Golgi bodies >>> ribosome c. ribosome >>> Golgi bodies >>> ER >>> plasma membrane d. ribosome >>> ER >>> Golgi bodies >>> plasma membrane e. Golgi bodies >>> ribosomes >>> ER >>> plasma membrane
Muscles differentiate from which tissue?
a. ectoderm b. endoderm c. mesoderm d. gastroderm e. morphogerm