BIOLOGY HIGH SCHOOL

What is the genotype of a human female

Answers

Answer 1
Answer:  XX is the genotype. think of it this way;; 
if you got a y, you're a guy. 
it rhymes. 
males are XY.
Answer 2
Answer: XX for females, XY for males.

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MIDDLE SCHOOL

Describe three reasons that why meiosis is important

Answers

Answer:

I) For gametes formation

II) For pollen grain formation

III) For seed formation

Explanation:

The importance of meiosis are:

- gamete formation

During meiosis, sex cells such as sperms and ova are formed in the testes and ovary respectively

- pollen grain formation

Pollen grain are formed in the anthers of flowering plants

- Seed formation

Seeds also known as ovules, are formed in the ovary of flowering plants

HIGH SCHOOL

The same amino acid can be carried by different tRNA's.
Question 3 options:
True
False

Answers

right answer is "False"\

because every tRNA has its specific amino acid

MIDDLE SCHOOL

HELP PLEASEEEEE How do advances in technology improve the study of anatomy and physiology?

A. They allow scientists to use inquiry skills such as observing, predicting, analyzing, and drawing conclusions.

B. They allow scientists to perform new investigations and test new ideas they may not have been able to do in the past.

C. They allow scientists to investigate the anatomy of actual specimens, such as cadavers, instead of using models or simulations.

D. They allow scientists to use the scientific method, which past scientists could not use as effectively.

Answers

Answer: B. They allow scientists to perform new investigations and test new ideas they may not have been able to do in the past.

Explanation:

The science is the discipline which includes information about nature and natural phenomena. Technology is the field of science which utilizes the knowledge of science for research and innovation. The advancement in technology can be used to perform the investigations and perform tests related so as to answer questions or queries related to the field of anatomy and physiology. It can help in conducting research and solving problems which were not solved in the past related to anatomy and physiology.

The correct answer here is certainly B. They allow scientists to perform new investigations and test new ideas they may not have been able to do in the past because scientists have been able to do the other 3 options without modern technology.
HIGH SCHOOL

This lab explores three common cancers. an additional form of cancer – skin cancer – used to be seen only in older individuals but is now seen in younger individuals, many in their early 20s. skin cancer results from accumulated mutations to the dna of skin cells, caused primarily by sun exposure. what factors do you think may be contributing to the increase in skin cancer among young adults?

Answers

Due to pollution the ozone layer of the Earth is being more and more affected. The main function of ozone is to absorb the Sun's UV radiation. Exposure to UV radiation is known to increase the risk of skin cancers.

Thus, young adults could get higher levels of UV radiation from the sun  compared with their grandparents, due to pollution.

Increased sun exposure may also be another cause. Today, it is more and more popular to spend a lot of time at the beach. Traveling to other countries to do this is more accessible today for young adults.

However, tanning beds which are very popular with young people, are another source of high levels of UV radiation.

HIGH SCHOOL

Sometimes new information results in minor changes to a theory. But sometimes new information results in a theory being discarded as incorrect. An example of an incorrect theory that was disproved by the discovery of new information is Ptolemy’s theory of the solar system.
the original cell theory.
the germ theory.
plate tectonic theory.

Answers

An example of an incorrect theory that was disproved by the discovery of new information is Ptolemy’s theory of the solar system. The correct option among all the options that are given in the question is the first option. Ptolemy’s theory stated that the earth is the center of the universe. I hope it helped you.

The Ptolemy's theory of the solar system was disproved by the discovery of the new information. The Ptolemy's theory stated that the Earth is at the center of the solar system and all the planets, suns and stars orbited around it while the Earth stayed completely stationary. However, this theory was proven to be false as the sun-centeric model of the solar system better explained various phenomenon, such as the particular movement of the planets.

Hence, the correct answer is 'Ptolemy's theory of the solar system'.

HIGH SCHOOL

Which statement describes the effects of farming practices such as the overuse of pesticides? A. More areas have fertile soil, reducing crop production.
B. Fewer areas have fertile soil, increasing crop production.
C. Fewer areas have fertile soil, reducing crop production.
D. More areas have fertile soil, increasing crop production.


It's C. Fewer areas have fertile soil, reducing crop production. APEX

Answers

The correct answer is option C

Overuse of pesticide can be harmful to the soil. It can make soil non fertile if used in a large amount again and again.

The areas of fertile soil will decrease due to the overuse of pesticides and as a result of this the area of fertile soil is reduced.

Less area of fertile soil will have reduced crop production.

Hello!
The answer is obviously letter C.
:)
HIGH SCHOOL

Combining tobacco products with alcohol does not increase your risk of cancer of the esophagus

Answers

The answer is false because those two products when mixed could increase a chance of the person’s life of having an illness or disease and it usually leads to serious complications such as having cancer in the esophagus. That is why the statement is false because it increase the chance of the person having the cancer.

HIGH SCHOOL

Rosalind Franklin contribute to the understanding of DNA by

Answers

Rosalind Franklin contributed to the understanding of DNA by discovering It's shape and structure. 
HIGH SCHOOL

Which type of cell is highly specialized? a. both prokaryotic and eurkaryotic cells
b. neither prokaryotic or eukaryotic cells
c. prokaryotic cell
d. eukaryotic cell

Answers

D. eukaryotic cell because the organelles allow them too be more specialized


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