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Novosadov [1.4K]
3 years ago
5

Gina is studying a cell under a powerful microscope. The cell does not contain membrane-bound organelles.

Biology
2 answers:
Rainbow [258]3 years ago
6 0

Answer:

a plant

Explanation:

Alenkasestr [34]3 years ago
5 0
What is a prokaryotic cell
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Which best describes a molecule?
Lana71 [14]

A unit made of two or more atoms.

3 0
3 years ago
Element
AnnyKZ [126]

Answer:

1A 2A            3A 4A 5A 6A 7A 8A

(1) (2)            (13) (14) (15) (16) (17) (18)

3B  4B 5B 6B 7B — 8B — 1B 2B      

(3)  (4) (5) (6) (7) (8) (9) (10) (11) (12)      

1 1                  2

2 3 4            5 6 7 8 9 10

3 11 12            13 14 15 16 17 18

4 19 20 21  22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

5 37 38 39  40 41 42 43 44 45 46 47 48 49 50 51 52 53 54

6 55 56 57   72 73 74 75 76 77 78 79 80 81 82 83 84 85 86

7 87 88 89   104 105 106 107 108 109 110 111 112 — 114 — — — —

6      58 59 60 61 62 63 64 65 66 67 68 69 70 71

7      90 91 92 93 94 95 96 97 98 99 100 101 102 103

Explanation:

4 0
3 years ago
A randomly mating population of 100 dairy cattle contains a recessive allele that causes dwarfism. If there are 16 dwarf calves
hichkok12 [17]

Answer:

Frequency of heterozygous carriers of the allele in the entire herd is 0.48 i.e 48 out of 100

Explanation:

It is given that a recessive allele pair produces a dwarf cow.

Let this recessive allele be represented by "t" and the dominant allele for tall height trait in cows be "T".

Given

Total population of randomly mating cows = 100

Total number of dwarf calves in the population = 16

Frequency of genotype "tt" producing dwarf calves is represented as q^2 in HW equilibrium equation.

Here

q^ 2 = \frac{16}{100} \\q^2 = 0.16

Frequency of recessive allele is equal to "q"

q = \sqrt{0.16} \\q = 0.4

As per first equilibrium equation of HW,

p + q = 1\\p + 0.4 = 1\\p = 1-0.4\\p = 0.6

Frequency of genotype "TT" producing dwarf calves is represented as p^2 in HW equilibrium equation.

p^2 = 0.6^2 \\p^2 = 0.36

As per HW's second equilibrium equation

p^2 + q^2 + 2pq = 1\\

Substituting the given values in above equation, we get -

0.36 + 0.16 + 2pq = 1\\2pq = 1-0.16-0.36\\2pq = 0.48

Frequency of heterozygous carriers of the allele in the entire herd is 0.48 i.e 48 out of 100

8 0
3 years ago
How are detritivores different from decomposers? provide an example of each
skad [1K]
<span>Decomposers </span>decompose organic materials and detritivores feed off of waste or debris. 

Decomposers would be something like worms
Detritivores would be something like dung beetles 
4 0
3 years ago
Which is not a source of emerging diseases?
Illusion [34]

Answer:

The term "disease" refers to conditions that impair normal tissue function. For example, cystic fibrosis, atherosclerosis, and measles are all considered diseases. However, there are fundamentally different causes for each of these diseases. Cystic fibrosis (CF) is due to a specific genotype that results in impaired transport of chloride ions across cell membranes, leading to the production of abnormally thick mucus. Thus, CF is most accurately called a genetic or metabolic disease. Atherosclerosis, which can lead to heart attacks and strokes, may be considered a disease of aging, because it typically becomes a problem later in life after plaques of cholesterol have built up and partially blocked arteries. In contrast, measles is an infectious disease because it occurs when an individual contracts an outside agent, the measles virus. An infectious disease is a disease that is caused by the invasion of a host by agents whose activities harm the host's tissues (that is, they cause disease) and can be transmitted to other individuals (that is, they are infectious).

Explanation:

4 0
4 years ago
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