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horsena [70]
3 years ago
10

What are the four main characteristics of DNA?​

Biology
1 answer:
Reil [10]3 years ago
8 0

DNA structure. DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C).

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Regan is trying to determine if an unknown element is a metal. She does not want to damage or change the physical appearance of
34kurt

Explanation:

Well, one could use a magnet to see if it's ferrous. One could melt it to check which type it is, use a metal detector, or just use their senses: If it dings or clinks like metal, and feels like it’s texture. If it polishes with metal polish, is reflective, can be shaped or shape when heated… It usually is a metal. If it rusts, or oxidizes, it is or contains metal. If it “smells" like metal, most likely, it is metal. Finally, if it walks like metal, and quacks like metal, most likely we have a metal

7 0
3 years ago
The difference in height between successive high and low tides is called the tidal _____.
labwork [276]
The difference in height between successive high and low tides is called the tidal range.
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3 years ago
Read 2 more answers
During what stage does the DNA copy itself
TiliK225 [7]

Answer: Tightly wound chromosomes, composed of DNA, must unwind before replication. Cell replication splits a cell into two parts, both of which become new, fully functioning cells. Before this can happen, however, cells require a full complement of DNA for each of the new daughter cells that will form as a result of the split. Because of this, DNA makes a copy of itself in a process known as replication during interphase, a stage that occurs before cells divide.

Cell Phases: Mitosis is the process by which parent cells each divide into two identical daughter cells. However, this majority of the cell's time is spent in interphase, during which it performs normal metabolic functions necessary for the organism, such as manufacturing protein. DNA occurs during the S phase of interphase, sandwiched between the G1 and G2 phases. The cell uses checkpoint signals to ensure at the end of G1 that it is big enough to replicate and at the end of G2 to determine whether or not DNA replication has succeeded. If so, the cell can undergo mitosis, at which point DNA winds up tightly for easy transport during the process.

DNA Replication: Replication begins with DNA unwinding and unzipping, its two strands coming apart. While only one side is the “correct” code, containing the actual genetic information used to build the organism’s proteins, both can be the base for a new strand of complete DNA. The enzyme DNA polymerase matches up each base with the correlating base: adenine with thymine and guanine with cytosine. When each pre-existing base has been matched to a nucleotide, which also contains the sugar and phosphate of the DNA’s backbone, the strand is complete.

7 0
4 years ago
The skeletal and muscular systems are similar because
AveGali [126]

Answer:

The bones of skeletal system serve to protect the body's organs and support the weight of the of the body ,giving the body it's shape

Explanation:

The muscles of the muscular system attach to these bones, pulling on them to allow for movement of the body

6 0
3 years ago
The area is _______ with less than _______ of precipitation a year, most of which occurs during the _______________.
Deffense [45]

The area is dessert with less than 25 cm of precipitation a year, most of which occurs during the year in the deserted area of the whole world.

<h3>What are the areas that have the less rainfall?</h3>

Dryland forests could be receiving much less than 500 mm rainfall. This kind of woodland is specially located in South-East Asia, Latin America and South Asia. Also, Indian has round 60% of tropical dry land woodland.

Deserts just like the Sahara Desert in Africa acquire as much less as 25 cm rainfall in step with year, and the plants and fauna of the region, therefore, are such that keep water for lengthy durations of time, and do now no longer want a lot water to grow.

Read ,more about the precipitation :

brainly.com/question/1783904

#SPJ1

5 0
2 years ago
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