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kati45 [8]
3 years ago
10

Which of the following statements accurately describes enzymes? A. Many different types of substrates with different shapes can

bind to a single enzyme. B. Enzymes increase the activation energy of reactions. C. Enzymes slow chemical reactions. D. Temperature and pH can affect how enzymes work.
Biology
1 answer:
Kay [80]3 years ago
7 0
<span>D. Temperature and pH can affect how enzymes work.</span> The action of enzymes can be affected by many factors including temperature, pH and ionic strength. Optimum pH differs per enzyme. Enzymes can be destroyed by heat more than the allowed optimum temperature.
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What are at least three differences between apes and humans in the cranium and teeth?
Mama L [17]
 The following are key characteristics of ape skulls that human skulls do not have:

(1) Prognathic Jaws: A chimpanzee’s maxilla (upper jaw) and mandible (lower jaw) protrude significantly. Typically, the bone from the nose to the tip of upper teeth extrudes out at about a 45 degree angle, whereas a line drawn from the nose to the chin of a typical human is vertical or concave.

(2) Large Brow Ridges above the eye sockets. Humans have negligible brow ridges.

(3) Absent or small laid back forehead: Apes lack significant vertical foreheads. Humans have large vertical foreheads, which provide room for the much larger frontal lobeof our brains. This is an important difference, as the large frontal lobe of the human brain allows us the ability to make decisions and solve problems. It also controls our behaviors, voluntary movements, emotions, and consciousness. Without a forehead, an animal would not have room for a large frontal lobe, and could not perform functions that differentiate animals from humans. The ability to make tools, improve on them, and the ability to remember how to make them, wouldn’t be possible without a forehead and large frontal lobe.

(4) Small Ovoid or Flat Cranium that houses their much smaller brains. Human adult craniums are about two to three times the volume of ape craniums. Ape craniums are narrower than the lateral extents of the eye sockets, whilst human craniums are far wider then the outer extend of their eye sockets. 

8 0
3 years ago
Why is the sky blue during the day every single day of the year
vladimir2022 [97]
The sky is blue due to Rayleigh scattering.

Particles in our atmosphere split the white light that the sun emits to the shortest wave length
(Blue)

Skies becomes red during the sunset since an angle forces the light to travel through more dust particles making it a longer wavelength
(Red)

Water in the clouds are not small enough to split light into a specific colour so it remains the same
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I would appreciate a brainliest.
6 0
3 years ago
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Unfortunately, you go a bit overboard and feel a sudden pinch, after which you notice you are bleeding. What has happened? Are y
Alika [10]
<h2>Answer:</h2>

If you go a bit overboard and feel a sudden pinch and you start bleeding, It means that something penetrate in your skin and torn off your blood vessel so that you start bleeding.

May be there was any pin or sharp needle thing was there in board that pinch into your skin and your epidermis could not resist that and it is no longer intact and you created a wound on your skin.

Epidermis the surface epithelium of the skin of an animal, overlying the dermis. and in this case it is wounded by that pin.

6 0
3 years ago
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The Sun is the primary source of energy that drives all the biogeochemical cycles on Earth. Which statement best describes how t
Vika [28.1K]

Answer: A

Explanation:

3 0
3 years ago
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Convert 6.86kilometer into meter​
lesantik [10]

Answer:

6860m

Explanation:

1km = 1000m

6.86km = 6.86 × 1000m

             = 6860m

7 0
3 years ago
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