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taurus [48]
3 years ago
12

Did bedrock in new York state form during the time period of ordovician

Biology
1 answer:
finlep [7]3 years ago
8 0
Nope... I don't remember when it did but no
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Which vitamin can be synthesized in significant amounts by humans and, therefore, may NOT be essential
Nadya [2.5K]

Answer:

The correct ansqwer is- Vitamin D

Explanation:

Vitamin D is the vitamin that can be synthesized by the human body itself therefore it is not an essential vitamin for human beings. Human skin is the part that helps in making this vitamin in humans.

The natural form of vitamin D is vitamin D3 which is formed by the sunlight exposure on the skin. When we expose our skin in the sunlight the UV radiation penetrated our skin and converts provitamin D3 into pre-vitamin D3 then this previtamin can be isomerized into the natural form of vitamin D Which is vitamin D3. So the right answer is vitamin D.

5 0
3 years ago
What is one way that cellular respiration differs from photosynthesis?
Ugo [173]

Answer:O The final product of cellular respiration is electromagnetic radiation.

The energy conversion in cellular respiration takes place in the chloroplast.

The main source of chemical energy in cellular respiration is water.

Explanation:

7 0
3 years ago
As a class, penicillins usually are more effective in infections caused by which type of bacteria?
Bezzdna [24]

In gram positive bacteria have a peptidoglycan layer outside of the cell wall. Gram negative bacteria have peptidoglycan between membranes.

The natural penicillin have activity against non beta lactamase producing gram - positive cocci, which includes such as - viridans streptococci, anaerobic streptococcus. Penicillin work indirectly bursting bacteria cell walls. It kills bacteria through binding of that betalactum ring.

Gram positive bacteria have a much thicker layer of peptidoglycan and lack of the protection of an outer membrane. This class , penicillin was first antibiotic to be used widely and prevents the final cross linking step. There are some more classes of penicillin like- natural , penicillin-stable, aminopenicillins and extended-spectrum penicillin.

To learn more about gram positive bacteria here

brainly.com/question/13794411

#SPJ4

5 0
2 years ago
Question 3 of 10
Romashka-Z-Leto [24]
C: conducting an experiment
5 0
3 years ago
Which is the affected when cell has a low surface area to volume ratio
spayn [35]

The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.

Here is your Answer. But is there options?

8 0
3 years ago
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