Biology, 14.02.2020 01:01 mpatel12

Using phase contrast microscopy on a wet mount of live cells, you observe motile bacilli moving rapidly and randomly through the field of view, changing directions after a brief tumble and taking off in a different direction. These cells are exhibiting motility.

Answers: 3

Show answers

Answers

Answer from: nssjdjsididiodododod

Swimming

Explanation:

The swimming motility is one of the type of bacterial movement. This bacterial movement is mediated by the rotating flagella. It takes place when the individual cells move in the liquid environment.

The phase contrast microscope is used to the enhance the contrast of the images formed by the ordinary light microscope. This can be used for observing the transparent and colorless specimens. The phase contrast microscope enables the visualization of the cells and their organelles that would be difficult to observe under the ordinary light microscope.

The phase contrast microscope can also help in observing the swimming motility of the bacteria. This can be used to observe the change in directions of the bacilli under microscope.

Answer from: Quest

answer: if she breaths she a thho

explanation:

Answer from: Quest

answer: carbon 14 can only be used to determine the age of the organisms that were once living, and igneous rocks are non living.

explanation:

carbon 14 dating is used to determine the age of the sample by estimating the amount of carbon 14 present in the sample and then comparing it with a reference standard.carbon 14 is a isotope of carbon which is radioactive and unstable. carbon 14 is assimilated by all plants and animals throughout their life from carbon dioxide. however, one the organisms die they stop this assimilation and the carbon 14 content starts to decrease.by knowing how much of carbon 14 is left in an organism after his death, one can estimate the age of the organism. the materials whose age can be estimated by carbon 14 method are the organic compounds. however, some inorganic compounds such as aragonite shell can also be dated.however, if we consider the igneous rocks it is a non living component which never accumulated carbon 14 in it and thus, we cannot use carbon 14 dating method to estimate its age.

Another question on Biology

Biology, 22.06.2019 09:00

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.

Answers: 1

Answer

Biology, 22.06.2019 09:30

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal

Answers: 2

Answer

Biology, 22.06.2019 15:00

What process decreases the salinity of ocean water? decreased precipitationdecreased melting of glaciersincreased evaporationincreased runoff from rivers

Answers: 1

Answer

Biology, 22.06.2019 16:10

While washing her hair olivia noticed that she was losing a lot of hair she visited a clinic and the physician reassured her that her hair would grow back how do you think olivias hair will grow back

Answers: 1

Answer

You know the right answer?

Using phase contrast microscopy on a wet mount of live cells, you observe motile bacilli moving rapi...

Questions