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GuDViN [60]
3 years ago
6

An organelle surrounded by a double membrane is the__________

Biology
1 answer:
nadezda [96]3 years ago
5 0

Answer:

Golgi apparatus and chloroplast

Explanation:

Other double membrane organelles are mitochondria, endoplasmic reticulum, nucleus, chloroplast

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A forest fire caused by lightening destroys an entire forest. The population of deer was drastically reduced within the forest l
nadya68 [22]

Answer:

I'm like 90% sure that it is Gene flow

Explanation:

4 0
2 years ago
You add the following components (in the correct volumes and concentrations) to a tube to perform a PCR reaction Buffer Magnesiu
uranmaximum [27]

Answer:

b. False

Explanation:

These components are not sufficient to successfully perform a PCR reaction. Deoxynucleoside triphosphates (dATP, dGTP, dCTP, dTTP) are missing so that the PCR reaction can occur perfectly.

The PCR technique allows a specific fragment of the DNA molecule to be amplified thousands of times in just a few hours. This technique revolutionized research in molecular biology because it had taken a long time for DNA amplification. From PCR it is possible to obtain enough copies of a part of DNA to detect and analyze the sequence that is the target of the study.

For a PCR reaction to be performed a solution with some components must be prepared. These components are:

  • Magnesium chloride buffer (to optimize reaction and act as a cofactor for polymerase)
  • Forward and reverse primers (to customize the start of the enzyme reaction)
  • DNA polymerase (Enzyme required for replication of desired DNA region.)
  • DNA Template (the DNA to be copied)
  • PCR-grade water
  • Deoxynucleoside triphosphates: dATP, dGTP, dCTP, dTTP (act as bricks in the construction of DNA molecules).
3 0
3 years ago
If a branch is cut from a tree ,after some hours the stem remains firm explain<br> ?
hjlf

Answer:

The leaves no longer have water, which means that there is little osmotic pressure which keeps it turgid.

Explanation:

The stem still contains water because of the capillary action that occurs. However, since there is no strong attraction, the water cannot be pulled to the leaves.

4 0
2 years ago
Uncontrolled cell division leads to the development of _____.
CaHeK987 [17]
The answer is D tumors

5 0
3 years ago
When reading a recipe ingredients, which substance makes the recipe an unhealthy choice if it is present in a high amount?
DIA [1.3K]
Trans fats.
Unsaturated fat is GOOD fat, saturated fat is bad fat as well as trans fats.
6 0
3 years ago
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