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uysha [10]
2 years ago
5

Which compound is a reusable, complex protein that speeds up chemical reactions?

Biology
2 answers:
Irina-Kira [14]2 years ago
5 0
Hello there! 

The answer is enzymes. 
Enzymes are biological catalysts, which means they decrease the amount of activation energy needed to start a reaction, therefore speeding up the rate of the reaction. They are part of the protein macromolecule group. Without them, our bodies would not process things efficiently or fast enough for us to live.

Hope I helped. Have a nice day.

Ludmilka [50]2 years ago
4 0

Answer:

An Enzyme

Explanation:

An enzyme is a protein that speeds up chemical reactions by bringing the reactants together. Enzymes can be used over and over again.

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Which would most likely lead to a change in the genetic structure of a population?
Rina8888 [55]

Answer:

The answer is C.

A 5 percent increase in the reproductive success of some genotypes, but a 5 percent decrease in the reproductive success of other genotypes

Explanation:

Incomplete question, here is the full question: https://quizlet.com/153540854/biology-107-part1-flash-cards/

For the genetic structure of a population to change, we can either depend on natural selection or mutations but there has to be an imbalance.

The answers given in the options A and B are referring to changes in genotypes which surely affects the genetic structure of the population but the way these options are given is in equilibrium, meaning they create and imbalance but then counter that with something else.

In option C, some genotypes get a 5 percent increase while some get a 5 percent decrease in their reproductive success, which will most likely result in a change in the genetic structure of a population.

I hope this answer helps.

3 0
2 years ago
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A protein that is destined to be secreted from the cell has a signal sequence that targets it to the plasma membrane
emmasim [6.3K]

Answer:

A protein that is destined to be secreted from the cell:

- is targeted to the RER as a soluble protein.

Explanation:

The main function of the RER is the synthesis and transport of secretion or membrane proteins.

If you are looking for the RER you could fount it on eukaryotic cells, side by side of the nucleus, and cover in ribosomes.

7 0
2 years ago
The Himalaya Mountains were built when two plates in the earth's crust collided, millions of years ago. The place where two plat
ZanzabumX [31]
The Himalaya Mountains were built when two plates in the earth's crust collided, millions of years ago. The place where two plates collide and build a new surface feature like these mountains is called a <span>fault.</span>
6 0
2 years ago
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During photosynthesis, plants capture light energy from the Sun to break the bonds in reactants, such as carbon dioxide and wate
Vlada [557]
It would be A because plants use photosynthesis to make proteins and fats to kind of survive
3 0
2 years ago
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You want to test which size of soccer (football) ball is easiest to juggle with your feet. You test a size 3, size 4 and a size
Semenov [28]

Answer:

<u>independent variable:</u> size of soccer ball

<u>dependent variable</u>: period of time the balls stay in the air

<u>control variable</u>: parts of the body used to juggle the ball

Explanation:

The independent variable is the manipulatable variable supplied into an experiment. It is a variable that directly affects the dependent variable.

The independent variable is the outcome variable. It is the variable that is primarily measured from experiments whose value depends on the value of the independent variable.

The control variables are those that are kept constant throughout the course of experiments. In other words, they do not directly affect experimental outcomes.

Hence, in the illustration;

<u>independent variable</u>: size of soccer ball

<u>dependent variable</u>: period of time the balls stay in the air

<u>control variable</u>: parts of the body used to juggle the ball

4 0
2 years ago
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