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Savatey [412]
2 years ago
11

How can scientists use the fossil record to find evidence of relationships between different species?

Biology
1 answer:
a_sh-v [17]2 years ago
5 0
Using the fossil record, you can categorize species based on analogous or homologous structures
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A nurse observes a few small, yellow nodules on the cervix of a client during the speculum exam. They are not painful or odorous
Natalija [7]

Answer:

A nurse observes a few small, yellow nodules on the cervix of a client during the speculum exam. They are not painful or odorous, and a thin, clear discharge is present. The nurse recognizes that these are most indicative of nabothian cysts.

Explanation:

Nabothian cysts or nabothian follicles are also called mucinous retention cysts or epithelial cysts. It is a mucus-filled cyst on the surface of the cervix. Many women have multiple cysts they are common, benign and considered a normal feature of the adult cervix. They may be translucent or opaque, whitish to yellow, and range from a few millimeters to 3 to 4 cm in diameter. They are most often caused when stratified squamous epithelium of the ectocervix  which is the nearest portion to the vagina that grows over the simple columnar epithelium of the endocervix  which is the nearest portion to the uterus.

There are no serious complications or threat to your health with nabothian cysts.

4 0
3 years ago
If the genetically transformed cells have acquired the ability to live in the presence of the antibiotic ampicillin, then what m
V125BC [204]

Answer:

The plasmid must express a gene for ampicillin resistance (the protein product of  the <em>bla</em> gene codes for beta-lactamase, the protein that breaks down ampicillin). The colonies on the ampicillin plate are antibiotic resistant. This means that they have taken up the transformed plasmids expressing both the <em>bla</em> gene and the GFP gene.

Explanation:

The transformation involved the genetic modification of a plasmid to incorporate the gene encoding the green fluorescent protein (GFP) from jelly fish. GFP makes cells glow under UV light.

In genetic engineering, scientists use antibiotic resistance as markers to indicate cells that have been transformed. By incorporating an antibiotic resistance gene such as <em>bla</em> into the vector (plasmid) and then growing the cells in antibiotic media, scientists determine which colonies have taken up the plasmid. Therefore, if the cells survive, this means that they contain the plasmid with antibiotic resistance gene as well as the GFP gene.

5 0
3 years ago
Select the correct answer from each drop-down menu.​
lbvjy [14]
Is there suppose to be a picture?
5 0
2 years ago
The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is ____.
IgorLugansk [536]

I do believe it is 25%

5 0
3 years ago
What is 2/3 closer to 0 1/2 or 1
tresset_1 [31]

Answer:

1/2

Explanation:

Hope this helps!!!

Could I have brainliest pls

7 0
3 years ago
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