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iVinArrow [24]
3 years ago
5

Which of the following is a characteristic that all prokaryotic and eukaryotic cells share?

Biology
1 answer:
MA_775_DIABLO [31]3 years ago
7 0
 C. <span>Presence of a cell wall to maintain osmotic pressure.</span>
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A student designs an experiment to test substances X, Y, and Z, to determine which one is a catalyst for the reaction: A + B ® C
guapka [62]
The effect of a catalyst is to increase the speed of the reaction, this is the speed at which reactants, A and B, are consumed, ant the product, C, is produced.


Given that when C is produced the solution bubbles, the bubbles are an indication of progression of the reaction.


The greater the speed of reaction, the earlier the reaction will end and the earlier the bubbles will stop.   


So the student can identify the catalyst because the bubbles will stop first.


Answer: <span>The test tube that stops bubbling first contains the catalyst.</span>
3 0
3 years ago
some heterozygous alleles create variations in expression so that there is not a clear dominant or recessive allele true or fals
Simora [160]

Answer: False

 The variations in expression depends on how genes code for proteins that would specify whether it will be dominant or recessive allele.   Within a population, there may be a number of alleles for a given gene and these differences can cause variations in the protein that is produced. The change in protein expression affect traits due to the variations in protein activity or expression that produce different phenotypes.

<span>Moreover, individuals that have copies of different alleles are known as heterozygous and individuals that have two copies of the same allele are referred to a homozygous. The expression patterns observed in inheritance will depend on whether the allele is found on an autosomal chromosome or a sex chromosome, and on whether the allele is dominant or recessive.</span>

 

7 0
3 years ago
Read 2 more answers
Which of the following human activities does NOT release carbon dioxide into the atmosphere?
NISA [10]
The Fish does not give off Carbon Dioxide
4 0
3 years ago
This type of bond results in the exchange of electrons?
MissTica
An ionic bond results in an exchange or transfer of electrons between the 2 different types of atoms, most likely the metal atom and nonmetal one.

For example the compound NaF is held together by electrostatic forces of positive and negative charges due to the transfer of electrons from the sodium to fluoride atom.
6 0
3 years ago
Fast!!Will mark as brainliest!!
padilas [110]
Its kinetic to potential because you made it to stop its lose energy 
6 0
3 years ago
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