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11Alexandr11 [23.1K]
2 years ago
5

Explain why there are usually several types of pigments present in chloroplasts

Biology
1 answer:
Musya8 [376]2 years ago
8 0
Because they interact with light to absorb only certain wavelengths, pigments are useful to plants and other autotrophs - organisms which make their own food using photosynthesis, in plants, algae, and Cyanobacteria, pigments are the means by which the energy of sunlight is captured for photosynthesis
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1. Explain the function of white blood cells in the body.
Wittaler [7]

Answer:1. White blood cells are part of the body's immune system. They help the body fight infection and other diseases.

2. Red blood cells have adaptations that make them suitable for this.

3. The blood would not clot in case of an injury.

4. Blood supplies essential substances and nutrients.

Explanation: 1. White blood cells are able to recognize viruses and/or infectious germs, which is how they fight off disease/sickness. It is also why we have vaccines. Vaccines put either dead or weakened parts of a germ into your body. Then, the white blood cells recognize it and fight it off the next time it enters your body.

2. They contain hemoglobin, a red protein that combines with oxygen. They have no nucleus so they can contain more of the hemoglobin. they are small and flexible so that they can fit through narrow blood vessels.

3. This will lead to excess blood loss and can even lead to the death.

4. Such as as sugar, oxygen, and hormones to our cells. It also carries waste away from the cells, this waste is eventually flushed out of the body in urine, feces, sweat, and lungs.

3 0
2 years ago
Describe the difference between Microevolution and Macroevolution
KengaRu [80]
Microevolution<span> happens on a small scale (within a single population), while </span>macroevolution<span> happens on a scale that transcends the boundaries of a single species. Despite their </span>differences<span>, evolution at both of these levels relies on the same, established mechanisms of evolutionary change: mutation.</span>
3 0
3 years ago
Which best describes how sediment forms? A. Loose material is compacted by pressure. B. Chemical changes cause sediment to cemen
Vesnalui [34]
<span>C. Weathering breaks down rock and other material</span>
3 0
3 years ago
Read 2 more answers
Which structure is most important for urine concentration?
Rina8888 [55]

Answer:

Nephron

Explanation:

3 0
2 years ago
No stripe on the head (H) is dominant, a black stripe on the head is recessive. If dad's genotype is Hh, what are the odds that
olga55 [171]

The chance of the offsprings with stripe on head is 50%.

Option A.

<h3><u>Explanation:</u></h3>

Here according to the figures, the male is the brown one which has no stripe on his head as mentioned, and the female is the pink one who has a stripe on her head. The gene for the head stripe is denoted by H.

So the genotype of the father which is given as Hh. He is heterozygous.

The genotype of the mother should be hh as she has stripe and she must be homozygous recessive to have it.

So the gametes from father is H and h. Whereas the gametes from mother is only h.

So the genotype of the offsprings are Hh and hh as 50% each.

So the probability of the offspring being striped head is 50%.

7 0
2 years ago
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