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Maksim231197 [3]
3 years ago
12

Which of these statements best describes a Southern Blot?

Biology
1 answer:
gulaghasi [49]3 years ago
3 0

Answer: Option A - Recognition of DNA sequence by a DNA or RNA probe

Explanation:

Southern blot helps to get the sequence of DNA that is complimentary to the DNA or RNA probe used

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An object with a kinetic energy of 200 J and Potential energy of 300 J, has a mechanical energy of what?
True [87]

Answer:

500 J

Explanation:

Emechanical=U+K,i.e., the mechanical energy Emechanical is the sum of the potential energy U and kinetic energy K.

So, the object has a mechanical energy of 200+300=500 J.

4 0
3 years ago
What type of membrane lines the compartments of the ventral body cavity and produces a lubricant that allows organs to move agai
JulijaS [17]

Answer:

Answer is Serous membrane.

Explanation:

The serous membrane is known to be or can be described as a thin membrane usually consisting of two layers which are separated by a space filled with serous fluid, which is derived from the serum.

The serous membrane are lying the cavity of some certain internal organs of the body, such as the lung and the heart. The fluid produced by the serous membrane,[ serous fluid], serves as lubricant to reduce friction occurring from muscle movement.

Examples of serous membrane are peritoneum and pericardium.

7 0
3 years ago
What will happen if the pollen tube pore its content inside the embryo sac?
anastassius [24]

Answer:

Once the embryo sac has developed, pollination has occurred, and the pollen tube has grown into the ovary to make contact with the ovule, fertilization (fusion of egg and sperm) can occur.Typically, the pollen tube reaches the embryo sac via the micropyle (Greek, mikros + pyle = small opening), or opening, in the integuments of the ovule.. There, it discharges its sperm into the embry

Explanation:

The pollen tube enters into the ovule, through the micropyle. Inside the embryo sac, the tip of the pollen tube ruptures and the 2 male gametes are set free near the egg apparatus. Inside the embryo sac, one of the 2 male gametes fuses with the egg nucleus and forms a diploid zygote. This process is called syngamy or true fertilisation.

6 0
3 years ago
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Which of the following statements about forestry education is true?
natta225 [31]
I say D, because there are certain states that have national parks and a large tree area.
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How many birds are tested for west nile virus in florida
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Based on the CDC Article There were about 300 species of birds infected by the west Nile virus in Florida. good luck:)
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