Biology, 01.11.2019 03:31 Queenhagar
Sherman is a medical researcher trying to find the causitive agent of a very sick patient with a lung disease. he is
fairly sure that the germ causing the illness is not a bacteria, because saliva samples from the patient have not
grown any bacteria in the lab. he has also not seen any cells under the lab's basic microscope. all signs seem to
be pointing towards the germ being a virus. to know for sure, sherman needs to see the germ under a
microscope and determine its 3-dimensional shape.
which type of microscope should sherman use to try to see the 3-dimensional shape of a virus in the patient's
sample?
a.) light microscope
b.) stereomicroscope
c.) scanning electron microscope
d.) transmission electron microscope
Answers: 2
Biology, 21.06.2019 19:40
In german cockroaches, curved wing (cv) is recessive to normal wing (cv+). bill, who is raising cockroaches in his dorm room, finds that the frequency of the gene for curved wings in his cockroach population is 0.6. in his friend joe’s apartment, the frequency of the gene for curved wings is 0.2. one day joe visits bill in his dorm room, and several cockroaches jump out of joe’s hair and join the population in bill’s room. bill estimates that, now, 10% of the cockroaches in his dorm room are individual roaches that jumped out of joe’s hair. what is the new frequency of curved wings among cockroaches in bill’s room? 0.69 0.4 0.5 0.31 0.20
Answers: 1
Biology, 22.06.2019 10:00
In which squares should the phrase "green pods" appear a) a and d b) b and e c)a,c, and d d)a,b,c,d and e
Answers: 1
Biology, 22.06.2019 13:30
How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.
Answers: 3
Biology, 22.06.2019 13:30
How does the color of light affect the germination time (amount time a plant takes to develop) of a radish seed?
Answers: 3
Sherman is a medical researcher trying to find the causitive agent of a very sick patient with a lun...
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