BIOLOGY HIGH SCHOOL

Elements with atomic numbers above 95 are called ______ elements

Answers

Answer 1
Answer: Transuranium elements 

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MIDDLE SCHOOL

What is free nitrogen?

Answers

nitrogen that cannot be used by organisms

Answer: the answer is c

Explanation:

MIDDLE SCHOOL

Select the correct answer Abacterium was found to contain a sequence of ATCGOGATCCT in its genome. Alw generations later, the sequence was found to be
ATCGGGGGGATCCT. What type of mutation caused this change in the bacteria?
A
duplication
OB insertion
OC inversion
OD translocation

Answers

Answer:duplication

Explanation:

MIDDLE SCHOOL

Cells are able to remove large amounts of material using A) ectocytosis. B) exocytosis. C) phagocytosis. D) pinocytosis.

Answers

The correct option is B.
Exocytosis is the process by which cells remove wastes and other materials from the interior of the cells and release them to the outside of the cells. In unicellular organisms, the waste materials are usually collected inside the vacuole. When the cell is ready to release the waste to the outside, the vacuole will fuse with the cell membrane and release the content of the vacuole to the outside of the cell.
Exocytosis (a process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane.)
HIGH SCHOOL

Not all members of a species are the same. Every species exhibit

Answers

Every species exhibits variations based on various genes being activated at various times. An example with humans can be eye color or hair color. What species means is that all members of a species can procreate with healthy, capable of procreating progeny, but anything else is just a variation.
MIDDLE SCHOOL

Humans and hogs have differences in only 1 out of the 51 amino acids in their insulin proteins. Hogs and guinea pigs have differences in 17 out of the 51 amino acids in their insulin proteins. What can be inferred from this information?
A.
Hogs and guinea pigs are more closely related to each other than either is to humans.
B.
Hogs are related to humans but not to guinea pigs.
C.
Humans are more closely related to hogs than hogs are to guinea pigs.
D.
Humans are related to guinea pigs but not to hogs.

Answers

Humans are more closely related to hogs than hogs are to guinea pigs.

Explanation:

The difference in the amino acid sequence of a protein is used to know the  relation between organism i.e. how closely they are related.

It is known that proteins are the result of DNA sequence ie genes of the organism.

The gene or protein is compared between organisms to understand the evolutionary evidence and similarities between them.

The less is the difference the more is the two organisms closely related as in the case of hog and human which have only 1 amino acid difference in their insulin enzyme. While guinea pig is having  a difference of 17 amino acids so it is expected to be distantly related.

These relations helps the scientist to resolve the issues of crisis say insulin. They zero out the possibility of extracting the enzyme genes of possible organism and increase the yield.

Answer:

c

Explanation:

HIGH SCHOOL

A solution that contains equal numbers of hydrogen and hydroxide ions would be called: acidic
basic
alkaline
neutral

Answers

A neutral solution has an equal number of hydrogen and hydroxide ions.
Acids contain hydrogen ions and alkali's contain hydroxy ions so if they have an equal number, they neutralize each other. 
 hope this helped you.
HIGH SCHOOL

Earth’s systems interact through _______. a. humans
b. glacial episodes
c. feedback mechanisms
d. none of the above

Answers

Feedback mechanism

Feedback mechanism refer to a condition where every parts of the system is affecting each other, creating one cause-and -effect notion within the system. Feedback mechanism divided into 2, positive feedback mechanism and negative feedback mechanism

c, feed back mechanisms is correct loves

HIGH SCHOOL

A process in which organisms with certain inherited characteristics are more likely to survive and reproduce than individuals with other characteristics is called _____.

Answers

Answer:

The correct answer is "Natural Selection".

Explanation:

Natural selection is a process found by Charles Darwin which suggests that certain organisms who have more suitable traits and genetic properties for their environment have a better chance of survival and therefore passing these suitable genes and traits to the next generations thus eliminating the individuals who are not suitable for that environment in the long run. I hope this answer helps.

MIDDLE SCHOOL

The difference between temperature an thermal energy

Answers

The thermal energy is a engergy that come from heat like when you cook something, and the temperature is the average speed of all the particles in a material.
hope it help you
thank you
:)
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