Share Bio Q4 test, DNA to Proteins, Human Reproductive system
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How does testosterone affect boys?
deepens their voice, broad shoulders, increased muscle mass, body hair; sperm production in testes
How does estrogen affect girls?
widen hips, breast formation, egg production in ovaries; menstrual cycle
In men, urine and semen are carried outside the body through the urethra. T or F
True
The basic building blocks of DNA or RNA are ----
nucleotides
What are codons?
a set of 3 base pairs on mRNA
Why are the codons important?
When rRNA 'reads" the mRNA, the codon codes for a specific amino acid
What is the central dogma of biology?
DNA codes for RNA; RNA is responsible for synthesis of proteins
What is puberty?
growth period during which sexual maturity is reached, by producing offspring
What happens in the process of RNA processing? (mature/pre-mRNA)
a cap is added; introns removed; poly-A tail is added.
Where is mRNA formed?
in the nucleus
Where does mRNA travel from/to?
It travels from the cell's nucleus to the cytopasm.
A morula is -----
a solid ball of embryonic cells that forms before the blastocyst
Whys is the corpus luteum important for pregnancy?
It produces progesterone, which keeps the endometrium from shedding.
If progesterone and estrogen are high, then FSH and LH are
low
If progesterone and estrogen are low, then FSH and LH are
high
Which phase of the menstrual cycle does the corpus luteum break down?
Luteal phase
