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Firdavs [7]
3 years ago
9

List one major evolutionary development for each period of the cenozoic era

Biology
1 answer:
Dmitry [639]3 years ago
4 0
<span>Triassic - first mammals evolve
Jurassic - dinosaurs become common in many areas
Cretasceous - flowering plants evolve

</span>
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When egg white is heated, it hardens and is opaque. This cooking process cannot be reversed, but hard-boiled egg white can be di
marshall27 [118]

Answer:

Generally proteins are denatured at high temperature.Therefore when  the egg is hard boiled they are denatured since eggs are protein,  the 3-dimensional  structure of protein is lost, and it is replaces with tangled meshwork of polypeptide chains .This is because the  orderly arrangements of  disulphide bonds in proteins  are disrupted , which  results in the formation of inter chains bonds among   disulphide bonds, making the protein molecules to link together.This explains the reason for the 3-D structure disruption  and formation of  a macro molecule.

However,   the  addition of reducing agent ,  breaks the covalent disulphide bonds.   While detergent breaks the interchain bonds among the disulphide bonds.  (The noncovalent bonds),These combined effects untangled the  mesh networks of polypeptides formed, and reduces the hardened nature,

Explanation:

5 0
2 years ago
Why doesn’t spraying water on slime molds work to destroy them
kipiarov [429]
-- Like Fungi, fungus-like protists are heterotrophs, Absorbing their food energy from their environment (Often from decaying organisms) Have cell walls and use spores to reproduce.

--The three types of fungus-like protists are Slime molds, Water molds and downy mildews.

I Hope This Helped!
6 0
3 years ago
Read 2 more answers
How are some nations working to protect the earth's resources?
ioda
The answers are - creating laws to regulate the amount of pollution, -planting trees at the same rate they are being cut down, -teaching citizens about water consumption and waste.

All three of these measures help people understand the importance of sustainability as well as ensure that on a governmental level, the required steps are being taken that a nation will witness increased dependance on renewable energy sources and not fossil ones. 
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3 years ago
Explain the process of how viruses hijack cells. Include the following words: membrane; protein
Kryger [21]

Answer:

The viral replication process begins when a virus infects its host by attaching to the host cell and penetrating the cell wall or membrane. Then the viral genome hijacks the host cell's machinery, forcing it to replicate the viral genome and produce viral proteins to make new capsids. In the past, viruses were considered nonliving infectious particles, little more than genetic material wrapped in a protein capsid. Today, virologists are beginning to think of viruses as living organisms that can be classified phylogenetically into defined species, much like any other living organism. The primary reasons for this shift in attitude can be partially attributed to the discovery of giant viruses, having large genomes and complex regulatory systems. Aside from that, it has become obvious that viruses lead complex lives; they evolve, speciate, and participate in the evolution of all classes of living organisms. In this chapter, we will discuss the early attempts to classify viruses, and review the biologic properties of the classes of virus that contain human pathogens.

Explanation:

Brainliest please?

3 0
3 years ago
A plant uses energy from the Sun to make food. What kind of energy transformation is this? a. light energy to chemical energy b.
Ulleksa [173]
The answer is <span>a. light energy to chemical energy.
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<span>In the photosynthesis, plants use light energy from the sun as an energy source. This light energy from the sun is converted into chemical energy stored in carbohydrates made from carbon dioxide and water. So, when light reaches a leaf of a plant, it passes through to chloroplasts. The chloroplasts are organelles inside the leaf and contain pigment chlorophyll. Light excites chlorophyll and a series of chemical reactions occur inside the chloroplasts. As the result, carbohydrates which serve as a food for the plants </span><span>are synthesised.</span>
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3 years ago
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