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zhuklara [117]
3 years ago
15

Of the three waves shown, Wave 2 has the greatest

Biology
1 answer:
Delicious77 [7]3 years ago
4 0

Answer:

D. frequency, because there are more crests in the same length of rope than there are in the other waves

Explanation:

Wave frequency is defined as the number of waves passing a fixed point at a given time.

Wave frequency is highly influenced by the number of crests in the wave that pass the fixed point in 1 second. It means, more is the number of crests in the same length of rope, the higher will be the wave frequency.

<u>Wave 2 has a maximum number of crests and thus wave 2 has the greatest wave frequency in comparison to other ropes.</u>

Hence, the correct answer is "D".

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Identify the primary role of the lymphatic system? a) Delivery of oxygen to the deep muscle cells b) Produce and store large num
Jlenok [28]

Answer:

b) Produce and store large numbers of white blood cells

Explanation:

The lymphatic system's primary role is to produce white blood cells. The main organs were these cells are produced are the bone marrow, the thymus, the spleen, and the lymph nodes, which are distributed in different parts of the body, such as our neck, armpits and near the groin. these organs produce and store white blood cells, that will circulate in the blood or will be in action when the blood is filtered in the spleen or lymphatic nodes.

7 0
4 years ago
1. **How does the amount of carbon the US emits compare to other countries?
worty [1.4K]

Answer:

5.1 billion metric tons of carbon is emitted by U.S as compared to other countries which emits about 32.5 billion metric tons of carbon.

Explanation:

U.S emits about 5.1 billion metric tons of carbon in the atmosphere which contribute in air pollution also helps in rising the temperature of the earth atmosphere because carbondioxide is a green house gas which increases the earth temperature. The main reason of high amount of carbon emission is the high number of industries and more fossil fuels is burnt in the engines of vehicles.

4 0
4 years ago
The region of a Drosophila embryo with a low concentration of bicoid protein will develop into the _____. a) abdomenb) male flow
joja [24]

Answer:

The correct option is d) head.

Explanation:

Bicoid protein works as a transcription factor. It enters the nuclei of the embryos in early segmentation, where it activates the hunchback gene. In Drosophila, embryonic development begins at the time of fertilization. The sperm enters the mature oocyte through the micropile, a structure located in what will be the anterior region of the egg. Bicoid and hunchback mRNAs, protein products are critical for the formation of the head and thorax. Already in the early stages of oocyte development, certain mRNAs are located in specific regions of the oocyte: mRNA molecules encoding the Bicoid protein are preferentially located in the anterior region of the oocyte. Moderate levels of the bicoid protein are necessary to activate the formation of the thorax (i.e., the expression of the hunchback gene) but the formation of the head requires high concentrations of Bicoid, the promoters of a specific gap gene of the head must have sites of low affinity binding for Bicoid, so that this gene can be activated only in extremely high concentrations of Bicoid.

The lack of Bicoid protein affects the formation of the head and other structures in the anterior region of the oocyte.

6 0
3 years ago
Why can only traits controlled by genes be acted upon by natural selection?
Luda [366]
Traits controlled by genes can only be acted upon natural selection because they have to helpful to the survival of that organism.
5 0
4 years ago
Jill has been experiencing recurring periods of shortness of breath, sweating, trembling, faintness, and a feeling of unreality
Lynna [10]

Panic disorder

She may be suffering from: panic disorder .

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