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Scrat [10]
3 years ago
14

Changes in DNA that sometimes do and sometimes don't have a harmful effect are called what?

Biology
2 answers:
riadik2000 [5.3K]3 years ago
6 0

They are called mutations..... :)

aniked [119]3 years ago
4 0

Answer:

A harmful one would be cutting down trees to make a new mall, This is the exact opposite of the one above, less food for plant or leave eating animals and less oxeygen

Explanation:

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Mycoplasma mycoides is of particular interest because:
Mnenie [13.5K]

Answer: It has multiple nuclei, It is one of the smallest of cells with among the smallest of genomes.

Explanation:

Mycoplasma mycoides is a bacterial strain of the genus Mycoplasma. It belongs to the class of Mollicutes. This is parasitic in nature. It lives in the ruminants.  It is smallest known bacteria that does not posses the cell wall. It is present everywhere as a pathogen. It's function is to interfere with the ability of the virus to affect the mammalian cells. It posses multiple nuclei.

It is smallest free-living single celled organism. Due to the small size the entire genome can be sequenced. It can be useful for purpose of research and it is of particular interest because of it's small cell size and multiple nuclei. It serves as a model organism to study the bacterial evolution.

7 0
3 years ago
Helps activate T cells, which are produced in bone marrow but mature in the thymus gland<br> HELLPP
love history [14]

Answer:

peptide antigens by MHC class II molecules

Explanation:

Helper T cells are activated by peptide antigens by MHC class II molecules. These antigens express on the surface of antigen-presenting cells (APCs). After activation, the T helper cells divide and secrete cytokines  to assist the immune response.

3 0
3 years ago
What is an allele?
Nadusha1986 [10]

B. a form of gene is the correct answer

3 0
3 years ago
Read 2 more answers
which of the following is not an abiotic factor in the prairie ecosystem a water b sunlight c grass d soil​
Lapatulllka [165]

Answer:

Grass

Explanation:

Biotic means living. There are some obvious abiotic factors here. The only gray area is what "soil" encompasses

grass-Biotic means living, all of the other choices are not living, and would therefore be abiotic factors

This is because it is a living thing (performs photosynthesis and cellular respiration).

Biotic means living, all of the other choices are not living, and would therefore be abiotic factors

5 0
3 years ago
What is multicellular organismss
mihalych1998 [28]

Answer:

Multicellular organisms can be described as an organism which is made up of multiple cells. A unicellular organism is made up of only a single cell. Multicellular organisms are complex organisms as they are made up of more than one cell. Unicellular organisms are simple organisms as they constitute of only a single cell.

Examples of a multicellular organism include humans, elephants, bats, rats, cats etc.

Example of a unicellular organism is bacteria.

6 0
3 years ago
Read 2 more answers
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