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Yuki888 [10]
3 years ago
5

Which of these statements best describes how living things appeared on Earth? Viruses evolved into plants by spontaneous process

es. Reproducing molecules evolved into living molecules by chemical processes. Non-living molecules were transformed into living molecules by biological processes. Atmospheric gases were transformed into living organisms by spontaneous processes.
Biology
2 answers:
motikmotik3 years ago
8 0
<span>Reproducing molecules evolved into living molecules by chemical processes. hope it helps

</span>
-Dominant- [34]3 years ago
7 0

Answer: Reproducing molecules evolved into living molecules by chemical processes.

In 1952, Stanley Miller and Harold Urey conducted an experiment to observe how complex organic molecules might have developed on early earth. They believed that the early earth atmosphere would be composed of methane, ammonia, water vapor and hydrogen gas.  They sealed these gases in an air tight container. Later, they exposed the gases with an electric spark for a week. They found that a reddish brown substance covered the wall of the container from inside. This brownish substances consisted of amino acids.  The amino acid is the basic biological unit found in all living organisms. The early earth atmosphere was reducing and warm, this condition could be responsible for generation of amino acids which are reproducing molecules formed by chemical processes occurring on early earth.

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Which features are unique to insects as compared to birds?
N76 [4]

Answer:

B, exoskeleton and antennae

Explanation:

I took vet prep, we learned about this. The bilateral symmetry is when you take two half's of an organism and each side looks the same. Both are like that with a bird and an insect is the answer is B.

5 0
3 years ago
All of the following contributed to speciation in Darwin's finches except
neonofarm [45]
<span>The correct answer is C. lack of competition. It was exactly the opposite, the competition caused them to adapt and change their beak shape and size in order to be more proficient in getting food. This is what he described in his theory on how finches speciated and became genetically different from other finches similar to them.</span>
8 0
2 years ago
Read 2 more answers
Reatment of childhood disorders can be difficult because _____.
notka56 [123]
The answers is the symptoms can change with age


Hope help!
5 0
3 years ago
The _______ is responsible for absorbing the most UV radiation. a. troposphere b. stratosphere c. mesosphere d. thermosphere
Burka [1]

Answer;

-Stratosphere

The Stratosphere is responsible for absorbing the most UV radiation.

Explanation;

-The stratosphere is the second layer of the atmosphere as you go upward lying between the troposphere and the mesosphere.

-The stratosphere layer also called the ozonic atmospheric envelope, is important to human's life as it contains the ozone layer which absorbs the harmful ultraviolet radiations which emitted from the Sun , and also it is convenient for flying of the planes .

7 0
3 years ago
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A particular protein largely lacks both secondary and tertiary structure. which factor, if any, is mainly responsible for the re
NemiM [27]

Entropy, is mainly responsible for the resting state of this protein.

Hydrogen bonds, disulfide bonds, and dipole-dipole interactions produce the complicated folding styles seen in secondary and tertiary structure. however, if a protein does not have these elements of structure, it'll undertake a kingdom in which its entropy is maximized.

Secondary shape is determined through hydrogen bonding within the amino acid chain backbone. Tertiary structure is the entire protein's form, decided Entropy Interplay and hydrophobic forces. The tertiary shape of a protein is the 3 dimensional shape of the protein. Disulfide bonds, hydrogen bonds, ionic bonds, and hydrophobic interactions all affect the form a protein takes.

The nonpolar amino acids have formed the nonpolar center of the protein, weak van der Waals forces stabilize the protein. furthermore, hydrogen bonds and ionic interactions between the polar, charged amino acids make a contribution to the tertiary structure.

Disclaimer: your question is incomplete, please see below for complete question

A. Entropy

B. Hydrogen bonds between amino acid residues

C. Dipole-dipole interactions

D. None of the above

Learn more about protein here:- brainly.com/question/10058019

#SPJ4

4 0
1 year ago
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