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pshichka [43]
2 years ago
15

Scientists compare unknown spectra with known spectra to determine ______ the of the star.

Biology
1 answer:
vovangra [49]2 years ago
7 0
<h2>Scientists compare unknown spectra with known spectra to determine ______ the of the star.</h2>

<h3><em><u>A.) Temperature </u></em></h3>

B.) Luminosity

C.) Composition

<h2 />
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Catalase is an enzyme that is found in all living tissues. Cells need catalase in order to function properly. Which of the follo
ryzh [129]

Answer: option D) Cells can function equally as well at all pH's because enzymes are effective at all pH's.

Explanation:

Studies in biology have demonstrated that:

- All living tissues have different pH (stomach is acidic, it has a pH below 7; saliva is alkaline, it has pH above 7 etc)

- All living tissues has a stable physiological temperature of 37°c

- All living tissues contain enzymes such as Catalase

Thus, based on the information given, we can infer that all cells can function equally as well at all pH's (whether acidic, neutral or alkaline) because enzymes are also effective at all pH's.

7 0
3 years ago
Read 2 more answers
The amount of Peroxidase will be changed by
inessss [21]

Answer:

The amount of peroxidase will be changed by changing the amount of turnip extract used.

Explanation:

A) Adding more or less buffer to the test tube.

<em>B) Changing the amount of turnip extract used.</em>

C) Adding different amounts of water to the mixture.

D) Using different types of turnip extracts prepared for us.

Peroxidase is an enzyme that degrades hydrogen peroxide (H₂O₂), releasing oxygen at the end of the reaction. One of the vegetable sources to obtain peroxidase is turnip (Brassica Napus).

The experiment on which the question is asked has to do with the reaction in which H₂O₂ participates, as a substrate, and the turnip extract containing the enzyme peroxidase, with a change in color due to the release of oxygen.

It is clear that, if the amount of turnip extract in the reaction is changed, the amount of peroxidase added will change.

Learn more:

Enzyme-substrate complex brainly.com/question/1615778

7 0
3 years ago
How do the scrotal muscles help maintain temperature homeostasis of the testis?
klio [65]
It keeps them out side the body to maintain the correct temperature.
7 0
3 years ago
Veronica wrote Charles Darwin’s main points on the board, but she made a mistake in one point.
Leno4ka [110]

<span>The question above is incomplete, the remaining part of the question is given below:
1. Since more offspring are produced than an environment can support, organisms within a population must compete for resources to survive.

2. Due to variations within the population, some competitors will be better equipped for survival than others.

3. The best-equipped organisms will survive and will produce well-equipped offspring. 

4. Variations that help with survival will be passed on to future generations and will rapidly change the whole population.

Which point is flawed as written above?
A. point 1
B. point 2
C. point 3
D. point 4</span>

ANSWER

The correct option is D.

All the options written above about Darwin's theory are quite correct with the exception of option D. Charles Darwin was the scientist who proposed the theory of evolution by mean of natural selection. Darwin submitted that, due to the scarcity of needed resources in an environment, it is only the fittest individuals in a particular population that will be able to survive and produce offspring that share their adaptability features. As this continue from generation to generation, it leads to evolution, which is defined as the changes overtime, which give rise to new species that share a common ancestors. Contrary to the point made in option D, evolution by natural selection is not a rapid process at all, it is a process that occur over a long period of time.

7 0
3 years ago
Why do you think that individuals whose genotype is heterozygous for the recessive
Travka [436]

Answer:

An individual whose genotype is heterozygous cannot be for the recessive

Explanation:There are two possible genotypes either homozygous dominant or heterozygous dominant. For a charecter there can be two gene .One is recessive and other one is dominant. In presence of the dominant gene the recessive gene of the same character cannot express . IF recessive gene is homozygous then only it will express .Therefore for the individual it is heterozygous for the dominant

6 0
3 years ago
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