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kotykmax [81]
3 years ago
5

Describe alternating current and direct current. Include two ways that they are alike

Biology
1 answer:
Vilka [71]3 years ago
5 0

AC can be produced by using a device is called as an alternator. This device is a special type of electrical generator designed to produce alternating current. A loop of wire is rotated inside of a magnetic field, which induces a current along the wire.

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What is the correct order in which these structures form during the plant reproduction process?. . a.embryo sac, embryo, zygote.
Leviafan [203]
The correct order of the structure form during the plant reproduction process is : b. embryo sac, zygote, embryo

- Embryo sac , the place inside the plant where fertilization happens
- zygote , two gametes that already fertilized
- embryo, zygote that has developed closer into another plant

Hope this helps
4 0
2 years ago
Read 2 more answers
The fundamental resolution of an optical instrument is set by
yaroslaw [1]

Answer:

The wave nature of light is the fundamental resolution of an optimal instrument.

Explanation:

All the optical instruments are working on light that's why they are known as optical instrument. Optics means the behavior of light or sight. Light is an electromagnetic radiation which comes in the category of electromagnetic spectrum. It travels in the form of wavelength.

So, optical instruments are based on wave nature of light.

3 0
3 years ago
Read 2 more answers
Please HELP
DanielleElmas [232]
1: There are four stages of meiosis including prophase, metaphase, anaphase, and telophase. In the prophase phase (first stage) the chromosomes becomes visible as paired chromatids. When this happens the nuclear envelope disappears. During metaphase (second stage) the chromosomes attach to the spindle fibers. Throughout anaphase (third phase) the chromosomes move to opposite sides of the spindle fibers. While in telophase (fourth stage) two nuclei form by chromosomes and chromatids moving to the opposite ends of the cell.

2: The cells that outcome from meiosis are haploid daughter cells.

3: Haploid.

4: The similarities of meiosis and mitosis are that they both outcome with daughter from a parent cell. Differences are that mitosis has one round of genetic separation and cellular division while meiosis has two. In meiosis it creates daughter cells that aren’t identical.

Sexual reproduction combines genetics from two parents while asexual reproduction have offspring exactly the same as the genetics of the parent.

Asexual reproduction has the advantage of quicker reproducing. Sexual reproduction have all different offspring that can adapt to many different environments.
3 0
2 years ago
Match the following respiratory conditions to the
dimaraw [331]

Answer:

Emphysema ;A condition often caused by smoking,

Bronchitis ;     The inflammation of bronchioles in the lungs

Asthma ; A condition in which an attack can trigger

Pneumonia ; The build up of fluid in the alveoli of the lungs

Explanation:

I hope it helps :)

8 0
2 years ago
True or false: In a gel electrophoresis gel, a DNA fragment containing 100 bp (base pairs) would travel faster (and further) tha
vova2212 [387]

Answer: true

Explanation: In gel electrophoresis, the smaller the size/molecular weight of DNA the faster it moves across the gel and vise versa. This is as a result of the pore size of the gel which is usually prepared 1g of agarose in 100ml of distilled water. So a DNA fragment with 1000 base pairs will "struggle" its movement across the gel pore making it mive less faster and further. Movement and molecular weight of DNA are inversely proportional.

3 0
3 years ago
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