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Ainat [17]
3 years ago
11

Which compound is a reusable, complex protein that speeds up chemical reactions? A) starch B) a sugar C) a lipid D) an enzyme

Biology
2 answers:
RoseWind [281]3 years ago
7 0

The Answer is D: An enzyme

Zolol [24]3 years ago
4 0
The answer is (d) an enzyme.
Enzymes are biological catalysts, which means they decrease the amount of activation energy need to start a reaction, therefore speeding up the rate of the reaction. They are part of the protein macromolecule group. Without them, our body would not process things fast enough for us to live.
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Mercury has the largest eccentricity of any of the eight planets. What is Mercury’s orbital eccentricity?
vladimir1956 [14]

Answer: 0.206

Explanation:

pretty much near 0.2056 if you round the 5 to the 6

7 0
2 years ago
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The calf muscle that bulges when a woman wears high heels is called the
Katyanochek1 [597]
 The correct answer is the gastrocnemius muscle.
<span>The gastrocnemius muscle is a muscle located in the back part of the lower leg of humans. The gastrocnemius together with the soleus muscle forms half of the calf muscle with the function is plantar flexing the foot at the ankle joint and flexing the leg at the knee joint.</span>
4 0
3 years ago
Most cells fall within the range of 5-20 microns. What factors keep the size of the cell within these boundaries?
Tema [17]

Answer: Cytoplasm and organelles

Explanation:

Normally, a cell cannot attain a size greater than 20 microns due to the limits imposed by the size inter-relationships of its components. For example, there is a relationship between the amount of nuclear material and the size of a cell; this limits cells to a size where there is an optimal proportion of nuclear material to the rest of the cell.

Hope this helps :) and can I please get a brainly

7 0
3 years ago
What is the temperature of the water at a cold seep?
valentinak56 [21]

Answer:

D. hot, but much cooler than at a hydrothermal vent

Explanation:

A cold seep is an area in the ocean floor where hydrogen sulfide, methane and other hydrocarbon rich fluids seep through thus forming a brine pool.

A cold seep is also called a cold vent and its temperature is not necessary lower than that of the surrounding water, but it is lower than that of a hydrothermal vent which is about 60 °C.

7 0
3 years ago
Read 2 more answers
Can someone help me and give me the answers thank you.
jenyasd209 [6]

Answer:

Left side under SUN: CO2, H2O

Middle ones, going top to bottom:  6CO2 + 6H2O → C6H12O6+ 6O, chloroplast, To make energy for the plant to use and grow

Right side next to products: Oxygen and Glucose

Explanation:

This is photosynthesis.

6 0
2 years ago
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