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coldgirl [10]
1 year ago
10

A tuna travels at a speed of 72 Kilometers per hour. What is the speed of tuna in meters per second?

Biology
2 answers:
DochEvi [55]1 year ago
4 0
That would be 72,000 meters
slamgirl [31]1 year ago
3 0

Answer:

72 kilometers per hour = 20 meters per second

Explanation:

Speed of tuna, v = 72 km/hr

We need to find Tuna's speed in meters per second. To convert km/hr to m/s we must use the following conversions as :

1\ km=1000\ m

And, 1\ h=3600\ s

72\ km=72000\ m

Speed=\dfrac{72\ km}{1\ h}=\dfrac{72000\ m}{3600\ s}

Speed = 20 m/s

So, Tuna's is travelling with a speed of 20 meters per second. Hence, this is the required solution.

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Compare a bacterial cell and a human body cell. Include in your response
shepuryov [24]

Answer:

Differences: Size

Similarities:  Organelles

Explanation:

The most important difference is size. The volume of a typical human cell is 4,000 times more than the volume of a typical bacterial cell. Today's bacterial cells are direct descendants of the prokaryotic cells found in rocks that were formed one billion years after Earth.

Organelles are the biggest difference between bacteria and cells that make up the human body. An organelle is a tiny cellular structure that performs specific functions within a cell. Organelles are embedded within the cytoplasm of eukaryotic and prokaryotic cells. In the more complex eukaryotic cells, organelles are often enclosed by their own membrane

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Explain how the chemical structure of the carbon atom accounts for the differences between the male and female lions seen in the
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Answer:

in male lion, two methyl groups are present in its structure  while in female lion, two hydroxl groups are present in its structure

Explanation:

The chemical structure of the carbon atom is different in both male and female lion because both male and female lions have different sex harmones which are totally different from one another. In male lion, testosterone is a sex hormone whose chemical formula is C19H28O2 and two methyl groups and one hydroxl group are present in its structure while in female lion, oestradiol is a sex hormone having a chemical formula C18H24O2  and two hydroxyl groups are present.

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1 year ago
Match the following vocabulary words. 1.ciliary musclesA transparent liquid which is located between the cornea and iris. 2.opti
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Answer:

1. Aqueous humor.

2. Ciliary muscles.

3. Cone.

4. Cornea.

5. Iris.

6. Optic nerve.

7. Photoreceptor.

8. Retina.

9. Rod.

10. Sclera.

11. Vitreous humor.

Explanation:

A sensory system can be defined as components of the central nervous system (CNS) which comprises of the brain, neural tissues or pathways and sensory neurons responsible for sensory functions, perception and processing sensory informations such as sound, light, heat, etc.

Basically, the central nervous system (CNS) interprete the neural signals that are generated from stimuli that are detected by the sensory system. The five (5) main sense organs in the sensory system are: skin, tongue, ears, nose and the eyes.

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1. Aqueous humor: a transparent liquid which is located between the cornea and iris.

2. Ciliary muscles: muscles attached to the lens to change its shape.

3. Cone: a photoreceptor cell which functions best in bright light. It detects color.

4. Cornea: the transparent portion of the sclera at the front of the eye.

5. Iris: a special part of the choroid layer composed of colorful tissue.

6. Optic nerve: the nerve connecting the eye to the brain.

7. Photoreceptor: specialized cells located in the retina that receive light images.

8. Retina: a delicate light-sensitive membrane covering the inside of the eyeball.

9. Rod: a photoreceptor cell which is sensitive to dim light, but detects no color.

10. Sclera: a fibrous material surrounding the eye to give it shape.

11. Vitreous humor: a transparent jellylike substance filling the eyeball.

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Answer:

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Answer:

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Four things are found in all the cells: genetic material (either DNA or RNA), cell membrane, cytoplasm, and the ribosome.

All the living cells grow and reproduce (sexually or asexually) and have the ability to respond to stimuli.

Thus, characteristics of a cell may include: cell grows and reproduces, responds to stimuli, contains DNA or RNA, not both , and contains a cell membrane.

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