BIOLOGY HIGH SCHOOL

The part of the brain responsible for voluntary, or conscious, body activities and emotions is located in the Frontal Lobe or Cerebrum o.O

Answers

Answer 1
Answer:


Cerebrum is the correct answer
Answer 2
Answer:

Answer:

*Cerebrum*

Explanation:

The part of the brain that is responsible for voluntary, or conscious, body activities and emotions is located in the CEREBRUM.

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IN MITOSIS, ANAPHASE FOLLOWS WHAT?

Answers

the order is: 

interphase
prophase
metaphase
anaphase
telophase

(the way i remember it is "IPMAT")
Metaphase, 

It goes Prophase, Metaphase, Anaphase, and then Telaphase

Which of the following statements accurately describes enzymes?a. Enzymes slow chemical reactions.
b. enzymes increase the activation energy of reaction.
c. Temperature and pH can affect how enzymes Work .
d. Many different types of substrates with different shapes can bind to a single enzyme

Answers


The best answer is c - temperature and pH can affect how enzymes work.

Enzymes are active only within a narrow pH range. The most favorable pH , the point where the enzyme is most active is called the optimum pH.  Extremely high or low pH outside the optimum  generally results in complete loss of activity for most enzymes.

Enzymes are also most active at a specific temperature  called optimum temperature. 

Temperatures significantly below the optimum slow down enzyme activity while those significantly above the optimum may denature the enzyme, causing permanent and irreversible damage. 

A scientist investigated DNA replication in two groups of cells, labeled A and B. She injected radioactively labeled nucleotides into cells of each group and allowed DNA replication to begin. When replication was halfway completed, she injected a drug into the cells to stop replication. She then examined the cells to determine the distribution of the newly-synthesized DNA. She found each cell of group A had many segments of new DNA in its nucleus, while each cell of group B had a single segment of new DNA in its cytoplasm. What can the researcher conclude about the cells?

Answers

Answer:

A is a eukaryotic cell while B is a prokaryotic cell

Explanation:

The researcher can conclude that cell A is eukaryotic while cell B is prokaryotic.

In eukaryotic cells, the DNA is located majorly in the nucleus and the replication of the DNA happens in the nucleus. Hence, it is only logical to find segments of new DNA in the nucleus of cell A during replication.

Prokaryotic cells, however, lack a nucleus. Their DNAs lie freely within the cytoplasm. This thus means that replication can only happen in the cytoplasm. Hence, it follows logically to find a new DNA segment in the cytoplasm of cell B.

Body weight in kilograms divided by height squared in meters yields A. the obesity index. B. the body mass index. C. relative weight. D. percent body fat.

Answers

Answer:

Body Mass Index

Explanation:

Environmental factors can have various effects on ecosystems. In August 2005, Hurricane Katrina caused significant damage in several states along the Gulf Coast, including Alabama, Mississippi, and Louisiana. Thousands of people were evacuated from their homes due to flooding and other damage caused by the storm. What environmental impact would Hurricane Katrina not have caused? early onset of spring change in marine ecosystems change in animal migration change in habitats

Answers

Hurricane Katrina would not have caused early onset of spring. The damaging winds/rains of the hurricane would have caused a change in marine ecosystems and habitats since the heavy winds/rain and storm surge eroded beaches, took down trees, and flooded out areas. As a result, animal migration also changed since some habitats that animals would normally migrate to were destroyed and no longer existed. The early onset of spring (aka. seasonal change) is not driven by individual weather systems.

*100% CORRECT ANSWERS

Question 1

Climate warming trends allow plant and insect species to inhabit larger ranges.

True

Question 2

What is a possible consequence of climate change to species that have a narrow temperature tolerance range?  

all of the above

Question 3

Which of the following is not a possible effect of rising carbon dioxide levels on plants?

increased plant mortality

Question 4

How does an early onset of spring through climate change affect plants?

their growing and flowering season starts earlier and is longer

Question 5

Environmental factors can cause various changes in ecosystems. Which of the following would most likely have the greatest lasting effect on an ecosystem?

change to the landscape from construction

Question 6

How does change to an ecosystem that results in succession benefit the ecosystem?

it leads to an increased level of biodiversity

Question 7

How do the benefits of natural change to ecosystems compare to the disadvantages?

the benefits outweigh the disadvantages

Question 8

Environmental factors can have various effects on ecosystems. In August 2005, Hurricane Katrina caused significant damage in several states along the Gulf Coast, including Alabama, Mississippi, and Louisiana. Thousands of people were evacuated from their homes due to flooding and other damage caused by the storm. What environmental impact would Hurricane Katrina not have caused?

early onset of spring

Question 9

Rising levels of carbon dioxide most likely

have a greater detrimental effect on the sea

Question 10

Which scenario best describes how climate trends might affect animal migration?

animals found at the equator may move north

What must animals do for celluar respiraton to begin

Answers

Answer:

the animal will consume food and inhale oxygen and drink water. the cell will use the oxygen and water to break down the glucose to form energy or ATP
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