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ella [17]
3 years ago
6

Why dont little organisms reproduce sexually? 2 reasons

Biology
1 answer:
yKpoI14uk [10]3 years ago
6 0

Asexual organisms produce clones of themselves. That leaves the organism prone to being wiped out in its entirety, because every individual is equally in trouble when danger strikes. A virus or predator that affects one affects them all. It has no possibility of exploring new places, new foods, new methods of escape.

Souce: https://www.quora.com/Why-dont-all-organisms-reproduce-asexually

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Answer questions about aspects of Watson-Crick model of DNA structure
tino4ka555 [31]

Answer:

a. The directionality of the complementary strand is antiparallel. The double-stranded DNA is antiparallel comprising two strands, which run alongside each other, however, point in reverse directions. In a double-stranded molecule of DNA, the 5 prime ends of one strand align with the 3 prime ends of the other strand, and vice versa.  

b. The mediation of base pairing is done by non-covalent hydrogen bonds. It is reversible, that is, the strands can separate and can come combined again without any chemical modification.  

The specificity of base pairing is illustrated by hydrogen bonds that is, the first strand produces hydrogen bonds only with a particular base in the second strand, and these two bases produce a base-pair.  

c. The interaction or association of non-covalent type, that is, hydrophobic interaction and hydrogen bonding. Collectively, they both are strong. In the process, one base associate with the other base on the complementary strand.  

d. The phosphate backbone possesses the tendency to associate with water on the outside of the molecule, and this is favorable chemically as both the strands are held together by hydrogen bond and hydrophobic interaction.  

The polar molecules of sugar can produce hydrogen bonds with the surrounding molecules of water. The negatively charged phosphate group associate with the positively charged ions. The nonpolar nitrogen bases are found within the molecule and associate favorably through stacking interactions.  

6 0
3 years ago
Which of the following best explains why a cell spends most of the time during the cell cycle in interphase?
worty [1.4K]

Answer:

c) growth of the cell and replication of DNA prepare the cell for division

4 0
3 years ago
A hypothetical population of 500 cats has two alleles, T and t, for a gene that codes for tail length. The table below presents
timama [110]

Answer:0.16

q^2 = 80/500 = 0.16

Explanation:

4 0
3 years ago
If a 30% sucrose solution is separated from a 40% sucrose solution by a membrane impermeable to sucrose, in which direction will
Tom [10]

Answer: from 30% sucrose solution to the 40% sucrose solution

Explanation:

From the definition of osmosis is the movement of water molecules through a selectively permeable membrane from a region of lower solute into a region of higher solute concentration, until the solute concentrations on the two sides is equal.

Therefore the net movement of water molecules will move from 30% sucrose solution to the 40% sucrose solution until the concentration of sucrose on both sides of the impermeable membrane is equal 35% each.

7 0
3 years ago
Which is a kingdom?
Tanzania [10]

Answer:

A is the kingdom bcz other are phylum class, etc

5 0
3 years ago
Read 2 more answers
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