BIOLOGY HIGH SCHOOL

What is the process in which two gametes unite

Answers

Answer 1
Answer: Let me help you, 
The process in which two gametes unite is called fertilization. 
Have a good one! 
Answer 2
Answer: Fertilization which is a part of reproduction.

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what does 50 percent humidity mean? A. The air contains 50 percent of the moisture it can hold before precipitation occurs B. There is a 50 percent change of precipitation C. The air temperature is 50 degrees celsius D. There is a 50 percent chance of a thunderstorm occurring
Scientists studying transcription in yeast (Saccharomyces cerevisiae) created an experimental strain thatproduced a modified RNA polymerase containing a single amino acid substitution. The scientists determinedthe maximum elongation rate during transcription with and without the modified RNA polymerase enzyme(Figure 1).The compound amanitin, which is commonly found in toxic mushrooms, is a specific RNA polymerase inhibitor.Amanitin binds to the RNA polymerase active site and inhibits transcription. In a second experiment, thescientists treated the wild-type and experimental strains of S. cerevisiae with a 40 ug/mL solution of amanitinand recorded the maximum elongation rate of the mRNA (Figure 2). Q. Identify the dependent variable in the experiments. Identify the control group missing from the second experiment. Justify the need for this control group in the second experiment.​
poisonous substances sometimes get released into the environment.these poisons can be more dangerous to animals at the top of the food chain explain why? please i need the answer
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This transportation process requires the cell to move particles from low concentration to high concentration. active transport facilitated diffusion osmosis diffusion

Answers

Answer:

During active transport, substances move against the concentration gradient, from an area of low concentration to an area of high concentration. This process is “active” because it requires the use of energy (usually in the form of ATP). It is the opposite of passive transport.

Explanation:

This may help you out! :)

active transport...hope this helps!!

The makeup of all the different species in the world isgenetic diversity
a population
biological diversity
a habitat

Answers

Biological diversity...

_______ are tiny gaps where fibers from different neurons come close together but do not touch. A) Axons B) Dendrites C) Nuclei D) Synapses

Answers

Synapses are the tiny gaps.

A substance is most likely to diffuse into a cell when(1) it is a large organic food molecule such as protein or starch
(2) it is enclosed in an organelle such as a vacuole
(3) the concentration of the substance is greater outside the cell than inside
(4) the pH of the substance is greater than the pH of the cell

Answers

Answer;

(3) the concentration of the substance is greater outside the cell than inside

Explanation;

-When a substance is of low molecular weight and has a higher concentration of the substance outside the cell as opposed to inside the cell then it is most likely to diffuse into a cell.

-Diffusion involves the movement of molecules from a region of high concentration to a region of low concentration, therefore if molecules are highly concentrated outside the cell then they are likely to move into the cell. Additionally, the size or the molecular weight of the molecules determines whether they will move into to the cell as the cell membrane only allows movement of materials in or out of the cell selectively.

A substance is most likely to diffuse into a cell when (3) the concentration of the substance is greater outside the cell than inside.

Which example best represents the use of creativity in scientific inquiry?

Answers

Scientific inquiry when a student would find ideas and gather thoughts on a topic and think about it in depth. An example would be to gather ideas on how animals live in a certain park more than another. 

Which of the following processes releases energy to be used by a cell?A. A phosphate group is added to atp to form adp.
B. A phosphate group is added to adp to fprm atp.
c. A phosphate group is removed from adp to form atp.
D. A phosphate group is removed from atp to form adp.

Answers

The correct answer is:

D. A phosphate group is removed from atp to form adp.

Explanation:

ATP normally produces energy by breaking down the weak phosphate cell present.  The energy delivered due to the breaking down of the phosphate cell is then applied. The ATP is modified to ADP. Whenever a cell feels the necessity for energy it loses a phosphate to assume the energy. It is an automatic and ongoing process. The weak bond between the secondary and the third phosphate is always targeted for converting ATP to ADP. This is the reason ATP is reflected in the main energy money for the cell.
the answer would be D i took this test and got the answer right
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