Biology, 08.11.2019 05:31 jaylabazemore
Astudent prepared a slide of pollen grains from a flower. first the pollen was viewed through the low-power objective lens and then, without moving the slide, viewed through the highpower objective lens of a compound light microscope.
which statement best describes the relative number and appearance of the pollen grains observed using these two objectives?
(1) low power: 25 small pollen grains
high power: 100 large pollen grains
(2) low power: 100 small pollen grains
high power: 25 large pollen grains
(3) low power: 25 large pollen grains
high power: 100 small pollen grains
(4) low power: 100 large pollen grains
high power: 25 small pollen grains
Answers: 2
Biology, 22.06.2019 04:00
The distribution of related animals and plants across the world
Answers: 3
Biology, 22.06.2019 14:30
Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.
Answers: 1
Biology, 22.06.2019 20:00
Which of the following leukocyte is not correctly matched with its function? lymphocytes: immune response against viral infections eosinophil: bacterial macrophage monocytes: macrophage basophils: inflammation eosinophil: bacterial macrophage
Answers: 2
Biology, 22.06.2019 20:30
The effect of a hormone on a target cell may be decreased by the presence of
Answers: 2
Astudent prepared a slide of pollen grains from a flower. first the pollen was viewed through the lo...
Mathematics, 13.04.2020 05:43
Mathematics, 13.04.2020 05:43
Chemistry, 13.04.2020 05:44
Mathematics, 13.04.2020 05:44
Mathematics, 13.04.2020 05:44
Mathematics, 13.04.2020 05:44
Mathematics, 13.04.2020 05:44
Engineering, 13.04.2020 05:45