Yes you are correct. Nice job!
Answer:
Answered
Explanation:
When DNA is compacted by histone into 10-nm and 30-nm fibers, the DNA is unable to interact with proteins required for gene expression. Therefore, to allow for these proteins to act, the chromatin must constantly alter its structure. So, the process that contribute to the dynamic activity of methylation and phosphorylation of histone tails.
Answer:
The plants from West Africa and South America were once together as one population.
Explanation:
This could be used as a source of proof for continental drift. When West Africa and South America were connected as one continent, known as Pangea, these two now existing plants were one species of plant in the genus <u>Solanum</u>. As the continents drifted apart the plants evolved separately on each continent according to their different environments. Now they are just closely related species as they have evolved more differences.
Each sentence describes a different form of energy:
- The shortest wavelength of visible light is <u>violet light</u>.
- Energy that can be felt as heat but not seen is <u>infrared radiations</u>.
- Short, invisible rays that can cause eye damage is <u>ultraviolet radiations.</u>
- Visible light with the longest wavelength is <u>red light</u>.
<h3>
Define electromagnetic spectrum?</h3>
An electromagnetic spectrum is a set of frequencies and wavelengths over which an electromagnetic wave can be spread (extends).
From smallest to longest wavelength (highest to lowest frequency), the electromagnetic spectrum consists of the following types of energy:
- Gamma rays
- X-rays
- Ultraviolet radiation
- Visible light
- Infrared radiation
- Microwaves
- Radio waves
Type of energy:
Each phrase in science describes a different form of energy:
1. Violet light has the shortest wavelength of visible light.
Visible light has a wavelength of 380 to 450 nanometers.
2. Infrared radiations are energy that can be felt as heat but cannot be seen.
Infrared radiation is a form of energy that the human body perceives as heat but that cannot be seen since it is outside the visible light range.
3. Ultraviolet radiations are short, invisible rays that might cause eye injury.
Ultraviolet light, which is mostly produced by the Sun, has the potential to harm the eyes.
4. Red light is the visible light with the longest wavelength.
Red light has a wavelength of 620 to 750 nanometers.
For more information regarding wavelength, visit:
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Circulatory system related to respiratory system<span> in </span>crayfish<span>. both uses gills. in respiration walking legs and maxilla move water across gills. in circulation blood</span>