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user100 [1]
4 years ago
13

What type of organism makes up the oldest known fossil?

Biology
1 answer:
choli [55]4 years ago
8 0
Blue-green algae from South Africa at 3.2 billion years old.
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Compare the recipes of nutrient agar and macconkey agar. if an organism can grow on both media on which would you expect it to g
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<span>Agar is known to be a gelatinous polymer substance that was commonly used in the laboratory setting as a substrate. Thus, nutrients agar can grow different types of microbes such as fungi and bacteria while MacConkey agar is made with bile salts and crystal violets, these additives cause the agar to only grow Gram – negative bacteria. However, nutrients agars grow more organisms because it contains nutrients from either beef broth or yeast extracts when compared with MacConkey agar.</span>

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4 years ago
What was not considered in early taxonomic classifications
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<span>The internal structue and phylogenetic relationships were not considered in early taxonomic classifications. Early classifications were mostly based on morphological characters like height, shape, color etc. The organisms have evolutionary relationships which were also not considered in earlier classifications.</span>
4 0
3 years ago
What is Psy.chology help!!!!!!!!​
Andrei [34K]

Answer:

the scientific study of the human mind and its functions, especially those affecting behavior in a given context.

Explanation:

Psychology is the science of mind and behavior. Psychology includes the study of conscious and unconscious phenomena, as well as feelings and thought. It is an academic discipline of immense scope, crossing the boundaries between the natural and social sciences. Psychologists seek an understanding of the emergent properties of brains, linking the discipline to neuroscience. As a social science, psychologists aim to understand the behavior of individuals and groups.

8 0
3 years ago
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What can scientists accomplish by applying recombinant-DNA technology?
Bogdan [553]

Answer:

- production of vaccine for disease prevention

- production of genetically modified crops

Explanation:

Recombinant DNA is a special type of DNA that has been infused with a foreign gene of particular interest.

With recombinant DNA technology, scientists can study different proteins and see how they can be used for therapy in the area of medicine. <em>The technology has been used to produce several vaccine in the prevention of diseases.</em>

In addition, recombinant DNA technology has been useful in agriculture to produce <em>genetically modified crops with desired traits such as resistance to pests/diseases and high yields.</em>

3 0
3 years ago
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Someone pls help me with this, bcs i really dont know what’s happening, as im new to Biology
love history [14]

Answer:

they can cause a lot of harm in human body

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based on research, a virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism.

Bacteria are a type of biological cell. They constitute a large domain of prokaryotic microorganisms.

and lots more all can do a lot of damage to the human body they can even take someone's life.

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3 years ago
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