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3 years ago

The pigment chlorophyll is contained in _____.

Biology

1 answer:

Black_prince [1.1K]3 years ago

3 0

Answer:

The pigment chlorophyll is contained in plastids.

Explanation:

In Biology, the term chlorophyll is characterized by a whole group of pigments, which give the green color to almost all plants. It is located anywhere on the plant that is exposed to sunlight or artificial light. These pigments are contained in plant cell organelles called chloroplasts.

Functionally, chlorophyll is used to absorb light energy to perform the function of photosynthesis.

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Each isotope has a special name derived from Latin (protium, deuterium, and tritium). What structural feature do these names ref

Eduardwww [97]

An isotope of any element is the same, with a variation in the neutrons of the nucleus.

The mass number change but the atomic number doesn't.

In this case, protium, deuterium, and tritium are all hydrogen isotopes.

Protium is 1H or Hydrogen-1 is without neutrons.

Deuterium is 2H or Hydrogen-2 has one neutron.

Tritium is 3H or Hydrogen-3 has two neutrons.

8 0

3 years ago

The anterior portion of the body of most annelids, such as the earthworm, is adapted for sensing the environment.

Diano4ka-milaya [45]

Answer:

The answer is False. Although sensitive cells are more abundant in the anterior portion of the annelid´s body, in general, they are arranged in all the segments.

Explanation:

Annelids, such as the earthworm, have a variety of sensory cells:

Mechanoreceptors, disposed of in groups in each segment of their body.

Photoreceptors: Light-sensitive cells. Although they are located in the whole body, they are abundant in anterior and posterior segments, concentrated in the intern and dorsal part of the epidermis.

Humidity receptors are the most sensitive cells and are located in the first segments of the earthworm body

Chemoreceptors: sensorial cells cumulus forming a prominent tubercle with prolongations that extends through the cuticle. These tubercles form three rings in each segment but are especially abundant in the anterior part of the body.

The tegument is very rich in free nervous terminations, which functions might be tactile.

6 0

3 years ago

At its core, science is about inquiry—the act of asking questions and seeking answers. Most labs begin as the result of a questi

Mkey [24]

Answer:

Hi What is the perimeter of this polygon?

−11f−8d−11

−f+5d−3d−3f

f−3+6d

2d−4fWhat is the perimeter of this polygon?

−11f−8d−11

−f+5d−3d−3f

f−3+6d

2d−4f

Explanation:

6 0

3 years ago

Hundreds of years ago, explorers often died of scurvy. How can this bone-related disease be prevented

umka21 [38]

Hundreds of years ago, explorers often died of scurvy. This bone-related disease be prevented by C) supplementing the diet with fresh fruit rich in vitamin C. Vitamin C is essential for the production of collagen which is found in bones and connective tissue. A lack of vitamin C can lead to a lack of collagen, leading to symptoms like gum disease, weakness, and bone pain.

3 0

2 years ago

The nucleotide sequence of a DNA codon is GTA. What would be the nucleotide sequence of an mRNA molecule transcribed from this D

Sergeeva-Olga [200]

Answer:

According to the base-pairing rule A form base pair with T with two hydrogen bond and G pairs with C with 3 hydrogen bond in DNA. But in RNA T is replaced by U that means A pairs with U in mRNA.

So according to this the nucleotide sequence of the mRNA molecule transcribed from the GTA codon of DNA will be CAU. tRNA are the molecules that pairs to the triplet codon present on mRNA through its anticodon loop which have nucleotide sequence just opposite to triplet codon it binds with.

Each tRNA has attached amino acid according to the anticodon sequence it has. So the anticodon sequence on tRNA will be GUA against the CAU codon sequence of nucleotide on mRNA and this tRNA must be attached with histidine amino acid.

8 0

3 years ago