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mihalych1998 [28]
3 years ago
14

The cells of a polar bear came from just one living cell. This cell divided many times. What part of the cell theory explains wh

y this idea is right?
Biology
2 answers:
Anna11 [10]3 years ago
8 0

Answer:

Am so sorry I can't help you I haven't learned that yet

Zinaida [17]3 years ago
3 0

Answer: Cells are made from existing cells

Explanation: The cell theory states that all cells are made from pre-existing cells.

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Which of these planets has a density so low that it could float in water?
antiseptic1488 [7]
The answer is b.saturn
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3 years ago
Which of the following terms describes the distribution of a particular allele within a population
enot [183]
<span>The answer is allelic frequency. This is also the fraction of a particular allele of a gene in the population.   Allelic frequency in a population of diploid individuals is calculated using the Hardy Weinberg equation of p2 + 2pq + q2 = 1. Allelic frequency of all the alleles of the genes must add up to 1 (one).</span>




4 0
3 years ago
Why are enzymes specific to a certain reaction?
frozen [14]
Enzymes bind with chemical reactants called substrates. There may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. In some reactions, a single-reactant substrate is broken down into multiple products. ... The enzyme's active site binds to the substrate.
8 0
3 years ago
Asexual reproduction can be advantageous for species that colonize new areas.
max2010maxim [7]

Answer:

True

Explanation:

It can rapidly increase if the environment is good for them

6 0
2 years ago
Why can’t a virus reproduce on its own?
monitta

Answer:

<h3>Viruses can only replicate themselves by infecting a host cell and therefore cannot reproduce on their own.</h3>

<h3>At the most basic level, viruses consist of genetic material contained within a protective protein coat called a capsid; the existence of both genetic material and protein distinguishes them from other virus-like particles such as prions and viroids.</h3>

<h3>They infect a wide variety of organisms: both eukaryotes (animals, fungi and plants) and prokaryotes (bacteria).</h3>

<h3>A virus that infects bacteria is known as a bacteriophage, often shortened to phage.</h3>

<h3>The study of viruses is known as virology, and those who study viruses are known as virologists.</h3><h3 /><h3>It has been argued extensively whether viruses are living organisms.</h3>

<h3>Most virologists consider them non-living, as they do not meet all the criteria of the generally accepted definition of life.</h3>

<h3>They are similar to obligate intracellular parasites as they lack the means for self-reproduction outside a host cell, but unlike parasites, viruses are generally not considered to be true living organisms.</h3>

<h3>A primary reason is that viruses do not possess a cell membrane or metabolise on their own - characteristics of all living organisms.</h3>

<h3>Examples of common human diseases caused by viruses include the common cold, the flu, chickenpox and cold sores.</h3>
7 0
2 years ago
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