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LenaWriter [7]
3 years ago
7

What is meant by the description "antiparallel" regarding the two strands of nucleic acids that make up dna?

Biology
1 answer:
nlexa [21]3 years ago
4 0
Antiparallel means the two DNA strands are parallel to each other, but run in opposite directions. Basically, one strand is upside down. The two strands are held together with hydrogen bonds. 
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4 0
4 years ago
A closed metal container that is filled with hot water gets distorted or compressed when it is kept under the tap water. Why?
tino4ka555 [31]

Answer:

Explanation:

The closed metal container will get distorted or compressed due to a combination of two reasons:

1.<em> contraction of the metal container as a result of a reduction in its temperature.</em>

2. <em>a reduction in the pressure inside the container caused by a sudden drop in the temperature of the water inside it. </em>

The tap water causes a reduction in the temperature of both the container and the water inside it. An increase in temperature causes metal to expand and a reduction in temperature causes it to contract. Also, water takes less space than steam. Therefore, a reduction in the temperature of the hot water causes a reduction in the pressure inside the container relative to the outside. This causes the metal container to be compressed.

8 0
3 years ago
PLEASE HELP! Write a short story describing how these organelles work together to perform the functions of the cell. The organel
lianna [129]
The ER makes proteins and the nucleus holds the DNA of the cell. So proteins are manufactured according to instructions encoded in the genes in the nucleus. These genes are now transcripted into RNA then leaves the nucleus and interacts with ribosomes on the ER, which now links amino acids together to form protein chains. The Cell Membrane is a selective barrier on the boundary of every cell. Its function is to allow the passage of oxygen, nutrients, and wastes to service the entire volume of th cell. The lysosomes are digestive organelles where macromolecules and other wastes are hydrolyzed by enzymes. Their main function is to process the molecules taken in through the cell membrane and to recycle won out cell parts. After ribosome synthesize proteins, the proteins are transported into the rough E.R. Then, proteins are enclosed into a vesicle and transported to the golgi apparatus, where processing, packaging, and transport of proteins is done. After the protein is processed, it will then bud off from the golgi apparatus (as vesicles) and transport to wherever it is needed. The nucleus is responsible for making the RNA, which is then sent to the E.R. Next, the E.R. sends the RNA to the ribosomes, where they link amino acids together to form protein chains. The E.R gets the RNA from the nucleus and sends it to the ribosomes to make proteins. The rough E.R specializes in protein synthesis, which means the ribosomes will attach to the E.R and synthesize the proteins. Next, the proteins enter the lumen space (interior of E.R) where they can be modified. Lastly, the proteins are sent off to the lumen of the smooth E.R. 
8 0
4 years ago
**15 Points &amp; Branliest** ; Individual 5 in generation III of this pedigree visited a genetic counselor. The counselor made
icang [17]

Answer:

- She does not carry the gene for cystic fibrosis.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

3 0
3 years ago
___________________is exemplified by a new starfish developing out of a single removed arm.
Nataliya [291]

Answer:

Fragmentation

Explanation:

4 0
4 years ago
Read 2 more answers
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