Answer: Cut the stem and if the vascular bundles are scattered in the stem, it is a monocot.
Explanation:
The plant is whether monocot or dicot can be identified by the cross-section of the stem if leaves, flowers, fruits or seeds are not available.
In the cross-section of the monocot stem, the vascular bundles are scattered, without following a definite arrangement, whereas the dicot stem, will have the vascular bundles that have a definite shape, aligned in the form of rings.
In the case of monocot stem the bundle sheath is present whereas in case of dicot stem the bundle sheet is absent.
It’s is b because when your put that one together your get the and and you put all the together it get the other one
Proper sterilization of a culture can be of vital importance for the viewing accuracy of the slide we are preparing.
Sterilizing the loop before picking up the <u>bacterial sample</u> for the smear is, as the question states, making sure that we use the correct aseptic technique. This is of vital importance so that the smear does not get contaminated with cells from the environment.
Allowing the smear to become contaminated will result in cells of <u>different shapes and sizes</u> to be seen on the smear, given that the sample is no longer isolated to just the E.coli we wish to study. This may only bring about health risks by contaminating you or a coworker with whom you may share the workspace.
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The answer to 15 is 4 because cellular respiration in the process that produces ATP. Protein synthesis, photosynthesis, and digestion don't directly produce ATP. Carbon dioxide is a by-product of cellular respiration.
Looking at your answer to number 16, I think you might have confused cellular respiration with "regular respiration" or breathing. We breathe in oxygen and breathe out carbon dioxide because the mitochondria in our cells require oxygen to produce ATP, and release carbon dioxide as a byproduct.
Therefore, number 16 isn't cellular respiration. It's not happening within a cell, it's not producing ATP, and mitochondria aren't involved. Instead, it takes place in the lungs (because the alveolus is part of the lungs). You can see that carbon dioxide is being removed from the blood and oxygen is being added. This is the process of gas exchange.
Check out this video for more info on cellular respiration: https://www.khanacademy.org/science/biology/cellular-respiration-and-fermentation/overview-of-cellular-respiration-steps/v/overview-of-cellular-respiration
And this one for more about gas exchange: https://www.khanacademy.org/science/health-and-medicine/respiratory-system/gas-exchange-jv/v/oxygen-movement-from-alveoli-to-capillaries
Hope that helps! Feel free to ask if you need clarification or anything :)