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ivann1987 [24]
2 years ago
13

Enzymes ______________ the rate of a specific chemical reaction.

Biology
1 answer:
ladessa [460]2 years ago
8 0

Answer: Enzymes <u>b. increase</u> the rate of a specific chemical reaction.

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What is an advantage of using fossil fuels to generate electricity? Using wind power is less expensive than burning coal. Fossil
7nadin3 [17]

I’d say B is the best choice

Hope this helps

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3 years ago
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Cultures of a bacterial species were incubated on the shelf of a refrigerator (5 C), out on a lab bench top (22 C), on the shelf
Setler79 [48]

D) Psychrotrophs.

Explanation:

  • Psychrotrophs are those bacteria which can tolerate cold temperature and have optimum growth above 15 degree Celsius.
  • Halophiles prefer high salt concentration.
  • Mesophiles prefer temperatures with a average of 37 degree Celsius.
  • Anaerobes grow in absence of oxygen.
  • In the given experiment, none of the bacterial cultures were placed in saline or anaerobic conditions. So, the bacterial species is not an anaerobe or halophile.
  • Again the cultures did not show growth at 37 degree celsius so they are not mesophiles.
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8 0
3 years ago
The time it takes the Moon to go through a complete cycle of phases is
KonstantinChe [14]

Answer:

the answer is D

Explanation:

it take the moon 29.5 days to complete its phases and 27 days to orbit the earth

7 0
3 years ago
Carbohydrates are called biofuel. Why?​
matrenka [14]
Answer:
Because carbohydrates provide energy

Monomer of carbohydrate is glucose, glucose are reactant in cellular respiration to produce ATP
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1 Explain why animals depend on plants to keep them alive.
Gnoma [55]

1. Animals depend on plants to keep them alive is Plants are producers  they take energy from the sun, nutrients from the earth, and water to grow and have their flowers, seeds, and berries.

They also release oxygen, which all animals, including humans, need to stay. Animals are consumers and they all depend on plants for survival.

2. carbon dioxide and water reach the chloroplasts in leaves is Basically the roots consume the water and transports it up the xylem, which gets it to the leaves. Carbon dioxide contacts the chloroplasts in the leaves via a stomata

3. Two pieces of evidence that show that plants cannot make their own food without light. When plants lack light, they don't deliver chlorophyll (the green pigment in plants), and plants can turn pale green to yellow to white. Plant stems become “leggy,” meaning stems become long and thin and appear to be advancing toward the source of light.

  • The photosynthesis is the only method for synthesizing food. It is commonly believed that about 717.6Kcal energy is required to prepare just 10g of glucose. No energy input no metabolism and therefore no food.

<h3>How are leaves tested for starch?</h3>

The existence of starch in leaves can be tested by the Iodine test. When we remove chlorophyll from the leaf by cooking it in alcohol and then placing two drops of iodine solution, it is a color change to blue indicates the existence of starch.

To learn more about  producers, refer

brainly.com/question/8806324

#SPJ9

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