Biology, 24.12.2019 09:31 galaxychild101
During an experiment, a scientist observed prokaryotes that lived near volcanic vents deep in the ocean. the scientist most likely observed
a) photoautotrophs
b) chemoautotrophs
c) heterotrophs
d) photoheterotrophs
what might people do to prevent the devolopment of more superbugs?
a) they should use antibotics only when nessary
b) they should devolop stronger antibotics and use them often
c) they should use stronger disinfectants
d) they should not get vaccinated
living on land required that plants
a) evolve photosynthetic pigments
b) conserve water
c) exchange gases
d) have cell walls
unlike lytic viruses, lysogenic viruses do not
a) inject their genetic meterial unto the host cell
b) enter the lytic cycle
c) lyse the host cell right away
d) infect host cells
in which of the following environments are green algae not found?
a) salt water
b) fresh water
c) moist areas on land
d) dry areas on land
what structure forms during angiosperm fertilization but does not form during fertillization amoung other types of plants?
a) a haploid egg
b) a diploid zygote
c) a haploid sperm egg
d) a triploid cell
because bryophytes do not have vascular tissue, they
a) obtain all their water from the surrounding air
b) have true roots, stems, and leafs
c) show alternation of generations
d) grow close to the ground
Answers: 1
Biology, 22.06.2019 04:10, zairaefh3200
Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d
Answers: 3
Biology, 22.06.2019 11:30, alyssahomeworkneeds
Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.
Answers: 1
During an experiment, a scientist observed prokaryotes that lived near volcanic vents deep in the oc...
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