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Troyanec [42]
3 years ago
9

Estimate the size of the specimen using your knowledge of Field of View. Write formula, plug in the values, and solve

Biology
1 answer:
Bezzdna [24]3 years ago
4 0

Answer and Explanation:

Size of the cell=diameter of field in цm/number of cells across the field

Example:

A student observed a row of 16 epidermal cells in a microscopic field that was 800цm in diameter. Calculate the average length of each cell.

Answer:

size of the cell=8000цm/16

                       = 500цm.

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An exocrine gland that has an unbranched duct would be classified as a __________.
Firdavs [7]

Answer:

B) Multicellular Simple gland

Explanation:

Exocrine Glands:Glands that secrete their products onto the apical(or epithelia) surface directly or via epithelial ducts or tubes that are connected to the apical surface. These Exocrine glands are composed of highly specialized epithelial cells..

Exocrine glands can either be branched or Unbranched based on the arrangement.

*Multicellular simple glands*:Glands that have an *unbranched duct* into which cells secrete. Each secretory portion empties separately on an epithelial surface.

6 0
3 years ago
keikos teacher was discussing the theory of endosymbiosis. she asked keiko to mark the organelles in the diagram that most close
TiliK225 [7]
Eukaryotic cells are theorized to have evolved from prokaryotes called the endosymbiotic theory. This explains that the most primitive eukaryotic cell engulfed a prokaryotic cell (by the process of phagocytosis) that is capable of cellular respiration and another prokaryotic cell that is capable of photosynthesis. These prokaryotic cells eventually became organelles and these organelles are the mitochondria and the chloroplast.
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3 years ago
Read 2 more answers
_____ is the main provider of energy for the brain and nervous system.
defon
Glucose is the main provider of energy for the brain and the nervous system. Because the brain is so rich in nerve cells, or neurons, it is the most energy demanding organ, using one half of all the sugar energy in the body. Brain functions such as memory, thinking and learning are closely linked to glucose levels and how efficiently the brain uses this fuel source. 
7 0
2 years ago
Tudo sobre câncer de pele,em que região mata mais e porque mata mais nessa região
Crazy boy [7]
Verdade? Não tenho certeza.......
8 0
2 years ago
In hogs, a dominant allele B results in a white belt around the body. At a separate locus, the dominant allele S causes fusion o
GREYUIT [131]

Answer:

D) B/b;S/s (x) b/b;s/s

Explanation:

Parent 1 : belted syndactylous sow

Since it is showing dominant phenotype for both the traits, it can either be BBSS or BbSs

Parent 2: unbelted cloven-hoofed

Since it is showing recessive phenotype for both the traits, it can only have bbss genotype

If we assume parent 1 to be BBSS all the resulting progeny with bbss will have dominant phenotype which is not the case.

If we assume parent 1 to be BbSs:

BbSs X bbss =

BbSs : belted syndactylous

bbSs : unbelted syndactylous

Bbss : belted cloven

bbss : unbelted cloven

The progeny will be produced in 1:1:1:1 ratio which means that each of them will make 25% of the population.

Hence, parent 1 will have BbSs genotype and parent 2 will have bbss genotype

7 0
3 years ago
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