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iogann1982 [59]
3 years ago
10

What are the major classes of plants​

Biology
1 answer:
Semmy [17]3 years ago
4 0
Flowering plants Angiosperms.
Conifers, cycads and allies Gymnosperms.
Ferns and fern allies Pteridophytes.
Mosses and liverworts Bryophytes.
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Consider the following three populations of birds. Assume HW equilibrium. With these birds red coloring is recessive, while brow
bixtya [17]

Answer:

Red allele frequency will be highest in population II

Population III can undergo bottleneck effect

The frequency of the brown allele will  least likely be altered in the population I

Explanation:

Population I -

Total population - 670

Brown birds - 603

Red birds - 67

Population II

Total population - 100

Brown birds - 90

Red birds - 10

Population III

Total population - 30

Brown birds - 27

Red birds - 3

Frequency of red birds in population I

\frac{67}{670} = 0.1

Frequency of red birds in population II

\frac{10}{90} = 0.11

Frequency of red birds in population III

\frac{3}{30} = 0.1

Red allele frequency will be highest in population II and it will be equal to \sqrt{0.11} = 0.33 as compared to 0.31 in case of population I and III

Population III can undergo bottleneck effect because of smaller population size

The frequency of the brown allele will  least likely be altered in the population that has highest  brown individual , i.e population I

4 0
3 years ago
You eat a french fry. As you chew and swallow, some of the particles go down the ‘wrong tube' (the trachea), and this causes you
Stels [109]

Answer:

Your answer is "Cilia".

4 0
3 years ago
A historian is reading a book of ancient history that describes a plant bred for long, leafy flower buds that never open, result
guajiro [1.7K]

Answer: cauliflower

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4 0
2 years ago
Describe one way in which ribosomes interact with organelles. How would having a larger number of ribosomes benefit a cell? In y
tino4ka555 [31]

Answer:

Ribosomes are the machinery of protein synthesis in the cell. They are associated with different organelle of the cell. They are also found free-floating in the cytoplasm of the cell.

The organelle which ribosomes interact are plasma membrane in prokaryotes and endoplasmic reticulum(ER) in eukaryotic cell. Ribosomes are present on the surface of the ER and helps in protein synthesis in the ER. In prokaryotes, there is no ER so it is associated with plasma membrane and perform protein synthesis.

The specialized function of ribosome is to perform protein synthesis and these proteins are necessary for cell because protein are important to make enzymes that regulate the metabolism of the cell. So if protein synthesis stops cell will not able to perform important metabolic activities to survive and it will die.

Having a large number of ribosomes benefits cells because it fastens the protein synthesis process in the cell. So large amount of protein can be produced in less time.

5 0
3 years ago
The FRAP technique occurs in a series of steps. Select every statement that correctly describes a step in the FRAP procedure.A.
frez [133]

Answer:

The answer is "Option C and Option D"

Explanation:

FRAP is used only for protein motion management.  It travels throughout two dimensions in the plasma membrane. It includes many available-moving or immobile proteins.  This technology uses globally marked fluorescent bleaching products, and also includes the fluorescent proteins, but one particular area is washed.  

Its protein arc changes are detected by fluorescence reappearance. The fluorescence reappears at a certain stage if the protein can move freely. When the proteins aren't able to move quickly, fluorescent dyes are recovered after a little period, and fluorescence would not resurface during that point if the enzyme is immobile.

8 0
3 years ago
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