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Rashid [163]
3 years ago
15

SCIENCE QUESTION PLEASE HELP!!! URGENT!

Biology
1 answer:
AfilCa [17]3 years ago
4 0
Lay her on the scale  that would work
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What property of the DNA molecule explains the necessity for Okazaki fragments? DNA is antiparallel. DNA is a linear molecule. D
Arada [10]

Answer:DNA is antiparallel.

Explanation: DNA is a double stranded helix in which the two strands are antiparallel. Being antiparallel means that as one strand runs from 5'->3' direction, the other strand runs from 3'->5' direction. During DNA each of the two strands serves as a template for a new complementary strand. The synthesis of a new DNA strand is always in the 5'->3' direction, therefore one strand is synthesized continuously in the direction of the replication fork while the other strand is synthesized discontinuously in the direction opposite to the replication fork in short fragments called the Okazaki fragments. The strand that is synthesized continuously is called the leading strand while the strand that is synthesized discontinuously in Okazaki fragments is called the lagging strand.

3 0
2 years ago
A client whose parkinson's disease is being treated with tolcapone should concurrently take what drug?
steposvetlana [31]

Answer:

The correct answer would be levodopa/carbidopa.

Tolcapone is a drug used as an adjunct to levodopa/carbidopa combination medication.

These drugs are used to treat the symptoms of Parkinson's disease.

Tolcapone is used to inhibit enzyme COMT (catechol-O-methyl transferase).

In the brain, levodopa is converted into dopamine which helps in controlling the movement.

Carbidopa helps in preventing the breakdown of levodopa in the blood which allows more levodopa to enter the brain. In addition, it helps in reducing the side-effects associated with levodopa such as vomiting, nausea et cetera.

6 0
3 years ago
Give an example of each kingdom; provide the following things: cell type, cell structure, (anything unique in the cell wall, chl
nataly862011 [7]
Plantae: Autotrophic, Multi- or Monocellular, have cell walls as well as a membrane, have a chloroplast making the characteristic green color and to capture sunlight for photosynthesis. Break down generated glucose into it's components.

Animalia: Heterotrophic, Multi- or Monocellular, have a cell membrane made of a phospholipid bilayer, and many mitochondria to aid with movement energy. Feed on plants or other animals. Eukaryotic cells.

Fungi: Heterotrophic, most Multicellular, have a rigid cell wall made of chitin, specialized cells to aid with decomposition of dead organic matter. Eukaryotic cells.

Protista: Can be plant-like, animal-like, or fungus-like. Most are single-celled, may be chemosynthetic or photosynthetic. Eukaryotic cells.

Archeabacteria: Prokaryotic. Do not have nuclei or membrane-bound organelles. Move around using a flagellum to propel itself. Lives in mainly fluid environments (air, water). Separated from Eubacteria due to it's high tolerance of extreme conditions, such as high salinity, no oxygen, burning heat, or freezing cold. Can be chemosynthetic or anaerobic, as well as aerobic.

Eubacteria: Normal, everyday bacteria. Prokaryotic, chemosynthetic, anaerobic, or aerobic. Do not have nuclei or membrane-bound organelles. Mobile using a flagellum to propel itself.
7 0
3 years ago
If a certain insect species lives only and 1 type of plant if humans remove That plant what part of the insects live are they Ca
ivanzaharov [21]

Answer:

They are negatively affecting the niche of the insect in its habitat. The Insect might not survive this

4 0
3 years ago
What reaction is being catalyzed in this experiment? 2. what is the name of the enzyme in this experiment? what is the substrate
andrey2020 [161]
The reaction that is been catalysed is the CATABOLISM [BREAKING DOWN] OF HYDROGHE PEROXIDE.
The name of the enzyme which catalysed the reaction is CATALASE.
The substrate is HYDROGEN PEROXIDE.
In an enzyme catalyzed reaction, a substrate refers to the chemical compound that is acted upon by the enzyme.
3 0
3 years ago
Read 2 more answers
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