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nlexa [21]
3 years ago
6

What are the agnathans? what are some examples

Biology
2 answers:
-Dominant- [34]3 years ago
7 0
Jawless fish. Heterostraci,Pteraspidomorphi,<span>Haikouichthys</span>

Otrada [13]3 years ago
7 0
An agnathan is a type of fish that dose not have have jaw. An example of an agnathan include but are not limited to the Heterostraci and the Pteraspidomorphi.
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6. Which of the following has the lowest cost of production of recombinant proteins?
mina [271]

Answer:

Bacteria

Explanation:

Bacteria constitutes large group of unicellular organisms that lacks membrane bound organelles and constitute cell wall. Bacteria are used for the production of recombinant proteins.

Bacteria can be selected easily for the recombinant protein formation. The plasmid of bacteria is helpful for the integration of desired genes and the production of protein. The bacteria culture can be maintained easily in the laboratory. The different strains of bacteria with different traits can be used for the production of different recombinant proteins at low cost.

Thus, the correct answer is option (1).

6 0
3 years ago
How is the magnification of a cell calculated?​
valkas [14]

Answer:

Magnification can be calculated using a scale bar. ... Magnification = scale bar image divided by actual scale bar length (written on the scale bar).

3 0
2 years ago
Read 2 more answers
pea plants with yellow peas are crossed. Most of their offspring have yellow peas, but about 25 percent of the offspring have gr
True [87]

Hello!

Yellow = Y

Green = y

Based on the fact that 25% of the offspring inherited two recessive alleles (we know this because in order for a recessive allele to be expressed, it must be homozygous),<u><em> the parent peas had to both be heterozygous. </em></u>

Yy * Yy will always result in:

1/4 = yy

2/4 = Yy

1/4 = YY

I hope I helped!

3 0
3 years ago
Read 2 more answers
If light is removed from this environment the fish will eventually die explain why
Mariulka [41]
Because fish need light to see
6 0
3 years ago
How do you suppose the scientists figured out that the compound in hydra acts against both gram-negative and gram-positive bacte
nikitadnepr [17]

Hydramacin-1 is potently active against Gram-positive bacteria activated  but in case of gram negative bacteria it is not.

Gram-advantageous cocci encompass Staphylococcus catalase-high quality, which grows clusters, and Streptococcus, which grows in chains. The staphylococci similarly subdivide into coagulase-high quality S. aureus and coagulase-poor epidermidis and S.

Gram-fine micro organism motive fantastic issues and are the focus of many eradication efforts, but meanwhile, Gram-negative micro organism have been developing risky resistance and are therefore labeled by the CDC as a more severe chance.

Micro organism  singular bacterium, common noun micro organism) are ubiquitous, in the main loose-living organisms regularly consisting of one biological mobile. They constitute a massive domain of prokaryotic microorganisms. generally a few micrometers in length, micro organism were a few of the first existence bureaucracy to seem on the earth, and are found in most of its habitats.

Learn more about bacteria here:-brainly.com/question/6941760

#SPJ4

8 0
1 year ago
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