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Pani-rosa [81]
3 years ago
9

What is the main function of the ocular lens in a compound microscope

Biology
1 answer:
erastovalidia [21]3 years ago
3 0
Ocular lenses contain lenses that you look through in order to see specimen as well as a black pointer.
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Members of the Deinococcus genus present an interesting conundrum to scientists who try to classify them as either gram-positive
AURORKA [14]

Answer:

Explanation:

Bacteria can be classified traditionally into two broad categories according to their cell wall, which are Gram-positive bacteria and Gram-negitive bacteria.

Gram-positive bacteria are bacteria that produce a positive result when Gram stain test is performed. It takes up the crystal violet stain of the test, and then show a purple-coloured appearance when seen through an optical microscope. This is as a result of the thick "peptidoglycan" layer in the bacterial cell wall which retains the stain used in the cell after washing it away from the rest of the sample.

Gram-negative bacteria after the decolorization don't retain the violet stain,the outer membrane of gram-negative cells is degraded by the alcohol.The peptidoglycan layer is positioned and between the membrane and a bacterial outer membrane, causing them to take up the counterstain and made appear red or pink.

Therefore, Deinococcus is one genus of the bacterial phylum that have resistant to environmental hazards. They posses thick cell walls that give them Gram-positive stains, but they also posess second membrane that made them them closer in structure to Gram-negative bacteria, which present an interesting conundrum to scientists who try to classify them as either gram-positive or gram-negative.

8 0
3 years ago
What color is a sunflower
mars1129 [50]
A sunflower is a shade of yellow
7 0
3 years ago
Read 2 more answers
Questions
skad [1K]

Answer:

cell

tissue

organ

system

human organism

Explanation:

unicellular organisms only have one cell since two or more cells form a tissue their level of organization is restricted to cell

cell

two or more cells form a tissue

two or more tissue forms an organ

two or more organs form a system which must work in coordination for efficiency

two or more systems make up a human organism

3 0
3 years ago
How does churning in the stomach affect digestion
NISA [10]
It gives you a sign that digestion is having a hard time taking place.
3 0
3 years ago
What are the 2 alleles for fur color in snurfles and which letters represent those alleles?
denis-greek [22]
The two alleles for fur color in snurfles are Yellow and Green. These alleles are represented by the letters G and g. Homozygous dominant GG is yellow, as well as heterozygous Gg. But recessive gg is green. These are the two colors that can be seen in the traits of fur colors in snurfles. I hope this helps.
4 0
3 years ago
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