BIOLOGY HIGH SCHOOL

In an exothermic reaction, the products have a _____ bond energy then the ______ .Overall ,energy is ______

Answers

Answer 1
Answer: In an exothermic reaction, the products overall have a higher bond enthalpy than the reactants. Overall, energy is given out of the system (because more energy is released forming the bonds in the products than is required to break the bonds in the reactants).

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The energy needed to get a reaction started is known as ________________________. activation energy cell energy chemical energy all of the above
By what reproductive mechanism does a haploid animal grow?initially by mitosis and then by meiosis completely by mitosis completely by meiosis initially by meiosis and then by mitosis
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do the results shown in figure 19.5 prove conclusively that histone modifications are causing reduced hnf4a gene transcription? why or why not?

Answers

because of the null hypthesis 

Which of the following best compares the cells produced from mitosis to those produced during meiosis? (1 point) Mitosis produces genetically different haploid cells, while meiosis produces genetically identical diploid cells. Mitosis produces genetically identical diploid cells, while meiosis produces genetically different haploid cells. Mitosis produces genetically different diploid cells, while meiosis produces genetically identical haploid cells. Mitosis produces genetically identical haploid cells, while meiosis produces genetically different diploid cells.

Answers

Answer:

Mitosis produces genetically identical diploid cells, while meiosis produces genetically different haploid cells.

Explanation:

Mitosis is a method of cell division by which one divides into two identical daughter cells. The chromosome number does not change after division. If mitosis occurs in diploid cell, the resultant daughter cells would be diploid and genetically identical. In meiosis, the cell divides into four daughter cells and chromosome in them is reduced to half. Thus, after meiosis diploid cell divides into haploid cells. These haploid cells are genetically different due to the exchange of chromosome segments between non-sister chromatids of a homologous chromosomes (crossing over).

Answer:

the answer is B

Mitosis produces genetically identical diploid cells, while meiosis produces genetically different haploid cells.

Thomas records the masses of several rocks as 7.40 g, 7.85 g, 7.60 g, and 7.40 g. What is the mode of Thomas’s data set?

Answers

Basing on the data gathered by Thomas we can say that the mode of the data gathered is 7.40 grams. This is because mode of the date set is define as the response that has the greatest or the highest number of tallied results. Since 7.40 grams has two tallied results and other number has only one.

Answer:

B

Explanation:

Edge2020

A bowling ball has a mass of 7.2kg and a weight of 70.6 N. It moves down the bowling alley at 1 m/s and strikes a pin with a force of 15.0 N. What is the force that the pin exerts on the bowling ball?

Answers

The force that the pin exerts on the bowling ball is -15.0 N. This is because of Newton's 3rd law (every action has an equal but opposite reaction).

Hope this helped :)

_______ energy can be used directly to heat space, or it can be converted to electricity.

Answers

SOLAR, ENERGY CAN BE USED DIRECTLY TO HEAT SPACE, OR IT CAN BE CONVERTED TO ELECTRICITY ..

The damage caused by hurricane Katrina took the form of _______. a. oil spills and building damage b. flooding and mold infestations c. toxic chemicals and sewage d. all of the above

Answers

Oil spills and building damage, toxic chemical and sewage, and also flooding and mold infestations, all are the cause of Hurricane Katrina, hence option D is correct.

How did hurricane Katrina damage the area?

Hurricane Katrina is a strong storm that hit the United States and its coast, it really affects public health and devastates New Orleans, it damage all the buildings and remove all the water to be used.

This storm damaged all the buildings and spill the oil and it creating flooding conditions around that area. Many areas have toxic materials and sewage release at public places. The pressure of the winds is very stronger to cause building damage.

Therefore, all of the above is the cause of  Hurricane Katrina, hence option D is correct.

Learn more about hurricaneKatrina, here:

brainly.com/question/13839594

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The damage of hurricane Katrina was widespread and permeated all areas of life within the gulf south states of Louisiana and Mississippi. The leakage of petrochemical into the water not only add pollutants, it also exposed all survivors who trudged through it to chemical poisoning. The building damage was ubiquitous. Every building within its path sustained some degree of damage. The flooding and mold that followed further damaged structures. As floodwaters rose sewage was also added to the toxic mix with in the water. So the correct answer is D.
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