BIOLOGY HIGH SCHOOL

Which of the following is a negative effect of algal blooms on the environment?a. transport of carbon to the bottom of the ocean
b. production of oxygen
c. consumption of water’s oxygen
d. large source of energy

Answers

Answer 1
Answer: c. consumption of waters' oxygen Although algae produces oxygen during photosynthesis, in an algae bloom the algae is growing at a rapid rate which causes the algae to use more oxygen then it actually produces. When algae is growing rapidly it needs to use oxygen in order to break down glucose into energy through a process called cellular respiration. Cellular respiration requires large amounts of oxygen, so the faster the algae is growing the faster it uses oxygen draining it from the waters the algae lives in and thereby depleting the aquatic environment of oxygen.
Answer 2
Answer:

c would be the answer just took the test


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A(n) ________ is all living organisms in an area functioning together with nonliving factors of the environment.a. population
b. ecosystem
c. communities
d. producers

Answers

The answer is (b.) ecosystem. An ecosystem is all living organism in an area functioning together with nonliving factors of the environment. An Ecosystem is a community of the living organism that includes the producers, the consumers, and the decomposers. 

If a cell is exposed to cyanide most of the cyanide will be found within which part of the cell?

Answers

Answer:Cyanide will be found in mitochondria of cell.It is a toxin for human body and it prevents the body from using oxygen.Our body cells has an organelle called mitochondria which is known as the power house of the cell as it generates energy for the cells to perform their function.Cyanide binds to the enzyme cytochrome c oxidase which is found in mitochondria and inhibits the uptake of oxygen from bloodstream.This is the reason most of the cyanide will be found in mitochondria.
cyanide halts cellular respiration (by inhibiting an enzyme) and as we know one of mitochondria functions is exactly cellular respiration.
so answer is: within mitochondria

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Muscle cells would contain a high number ofA. lysosomes.
B. mitochondria.
C. mRNA.
D. Golgi bodies.

Answers

The muscle is a soft tissue found in most animals. The cells in themuscle contain protein that produces a contraction that changes both the lengthand shape of the cell. They are responsible for the movement it produces in thehuman body. There are three types of muscle cell: skeletal, cardiac and smoothmuscle. Cardiac muscle contains excess amounts of mitochondria and myoglobin. Themyoglobin is responsible for the red color of the muscle. The answer is letterB.

the correct answer is B

EOC Biology. A strand of DNA contains the sequence GGC-CAT. What is the complementary strand of mRNA for this sequence? Please help

Answers

GGC-CAT - strand of DNA
 xxx- xxx  - strand of mRNA
---------------------------------------------------------------------------
The first, let's see what connect with what:
when we talk about DNA and complementary strand of DNA:
guanine connects to cytosine (and vice versa)
thymine connects to adenine (and vice wersa)

when we talk about DNA and complementary strand of RNA:
guanine connects to cytosine (and vice wersa)
adenine (in DNA) connects to uracil (in RNA)
thymine (in DNA) connects to adenine (in RNA)
-----------------------------------------------------------------------------------------------
GGC- CAT - strand of DNA
CCG- GUA - complementary strand of mRNA

 complementary strand of DNA would be: CCG- GTA
(in complementary strand of RNA: thymine is replaced with uracil)

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n00nst00p :)
CCG-GUA :) (because its an mRNA strand it can't have the amino acid Thymine or (T) so we replace it with a U.

Is gases (carbon dioxide from respiration) an input or an output to the human body?

Answers

output since your body is making it from the oxygen breathed in.
Output because your body is making it and then leaves it outside body like breathing oxygen and letting out carbon dioxide I think

The four main types of carbon-based molecules in organisms are carbohydrates, lipids, nucleic acids, and

Answers

Proteins.
These four carbon-based molecules are necessary for building an organism.
Relationship:
Carbohydrates and Lipids-Energy storage
Nucleic Acids - Proteins -- Blueprint - Building blocks
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