BIOLOGY HIGH SCHOOL

Which body system and its organs are incorrectly matched?a.endocrine - mouth, lungs, pituitary

b.reproductive - ovaries, testes, uterus

c.digestive - mouth, stomach, intestines

d.cardiovascular - heart, blood, blood vessels

e.lymphatic - thymus, vessels, nodes?

Answers

Answer 1
Answer: A is wrongly matched

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all of the following are reasons why friendships are more highly valued by older people in late adulthood than family relationships expect?

Renewable resources are those that can be synthesized by humans. Please select the best answer from the choices provided T F

Answers

No, this is false!

Renewable resources can be syntesized by humans, or not: some of them can, and some can't. This is not what makes them renewable, instead it's the fact that they will still be present in the nature after usage - they will be replaced (the sun will still shine tomorrow even if we harvest its power).

The given statement is False.

Renewable resources are the resources that are not synthesized by the human beings and are present naturally in the environment.

They are present in nature for free and can be used to obtain energy.

These are wind, solar energy, water, et cetera.

They are renewed again and again.

Why is it difficult to reduce human population growth

Answers

the world population grows by millions everyday and its hard to keep those numbers down

Which phenomenon among ordinary people most likely helped spread the ideas of the Enlightenment?A. townspeople travelled greater distances

B. more people were able to read

C. migration from cities to farms

D. revival of folk traditions

Answers

"More people were able to read" was the phenomenon among ordinary people among the choices given in the question that likely helped spread the ideas of the Enlightenment. The correct option among all the options that are given in the question is the second option or option "B". I hope it helps you.

Answer:

Option B

Explanation:

An idea of enlightenment can be spread among people only when it is communicated properly and efficiently and in order to do it is very important to quote the enlightenment in simple language and make it easily available so that even the most vulnerable and uneducated class of people is able to understand its context.

Bible has been translated into different languages in order to make people having different dialects to understand the essence of its messages.

Hence, option B is correct

The combination of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes is called ___________.

Answers

The process is called metabolism.  The food and liquid that is intake by the body is converted into energy that is used by the body to carry out daily functions is a process called metabolism. That is metabolism builds the body.  It also breaks down food and keep the nutrients and pass out the waste.

The combination of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes is called metabolism.


Its main purpose is to convert food to energy.



Explanation:


Metabolism can even confer with the add of all chemical reactions that occur in living organisms, together with digestion and therefore the transport of drugs into and between totally different cells, during which case the set of reactions among the cells is named intermediator metabolism or intermediate metabolism.

What steps are considered when constructing a recombination map using a three-point test cross?

Answers

Constructing a recombination map using a three-point test cross is a fundamental process in genetic mapping to determine the order and relative distances between three linked genes. Here are the general steps involved in this process:

1. **Select Appropriate Organism**: Begin by selecting an organism with traits controlled by three genes that you want to map. Ensure that these genes are located on the same chromosome.

2. **Create a Heterozygous Individual**: Start with an individual that is heterozygous for all three genes of interest (AaBbCc, for example). One chromosome should carry the dominant allele, and the other should carry the recessive allele.

3. **Perform Test Cross**: Cross this heterozygous individual with a homozygous recessive individual (aabbcc). This will produce progeny with a variety of allele combinations.

4. **Observe Progeny Phenotypes**: Examine the phenotypes of the progeny resulting from the test cross. Record the number of individuals with each phenotype. These phenotypes are crucial for calculating recombination frequencies.

5. **Calculate Recombination Frequencies**: Use the phenotypic data to calculate recombination frequencies between the three genes. Recombination frequency is the proportion of offspring that show a recombination of alleles (different from the parental combination).

6. **Determine Gene Order**: Analyze the recombination frequencies to determine the order of the three genes on the chromosome. The gene with the highest recombination frequency with the others is likely to be in the middle, while those with lower recombination frequencies are on the ends.

7. **Calculate Map Distances**: Calculate map distances between the genes based on the recombination frequencies. One map unit (centimorgan) corresponds to a 1% recombination frequency.

8. **Interpolate Cross-Over Frequencies**: If the recombination frequencies are not whole numbers, interpolate to estimate the exact cross-over frequencies between genes.

9. **Create a Recombination Map**: Construct a genetic map that shows the order and relative distances between the three genes. Include map distances in centimorgans.

10. **Validate the Map**: Perform statistical tests or additional crosses to validate the accuracy of the map.

These steps help geneticists create a recombination map, which provides valuable information about the genetic linkage and the physical arrangement of genes on a chromosome.

Which is true about the temperature of a gas?At a higher temperature, the particles have a higher average kinetic energy.

At a higher temperature, the volume of the gas is smaller.

At a lower temperature, there are more particles in the gas.

At a lower temperature, the particles in the gas move faster.

Answers

The right answer for the question that is being asked and shown above is that: "At a higher temperature, the particles have a higher average kinetic energy." The statement that is true about the temperature of a gas is that At a higher temperature, the particles have a higher average kinetic energy.
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