Which of the following describes pollen grains?
a. haploid, female gametophytes
b. diploid, female gametophytes
c. haploid, male gametophytes
d. diploid, male gametophytes
c. haploid, male gametophytes
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Trickling filters may be used in place of activated sludge in secondary sewage treatment
Indicate whether this statement is TRUE or FALSE.
The main driving force of the Earth’s ocean
currents is
a. the tilt of the Earth on its axis. b. differences in the ocean depths. c. differences in temperature at different parts of the ocean.. d. relative amount of landmasses versus amount of ocean. e. the prevailing winds.
A researcher wants to cleave the DNA of a target organism at a single, precise location in the genome. The best way to achieve this is to select a restriction enzyme that recognizes a 4-8 bp palindromic sequence on the double-stranded DNA.
Answer the following statement true (T) or false (F)
What number is the Cytoplasmic matrix?
What will be an ideal response?