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3 years ago

Second-generation antihistamines such as loratadine (claritin) are prescribed for seasonal allergies because they:

2 answers:

6 0

Antihistamines are drugs that are used to treat allergic rhinitis (both seasonal and perennial) and other form of allergies that cause hives or urticaria. They can give relief when a patient has nasal congestion, sneezing or hives because of pollen, dust, or animal allergy (allergens). Second generation antihistamines such as loratidine are prescribed for seasonal allergies because they are less sedating than the first generation antihistamines.

Aleksandr-060686 [28]3 years ago

4 0

The second generation antihistamines like loratadine are prescribed for these allergies because the sedation caused by them is less than what is caused by first generation antihistamines They cure all kind of allergies caused by pollen, dust and animals. This sedation may lead to drowsiness. We can find these antihistamines naturally in onions and apples.

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Since the 1800’s an increase in selectively breeding dogs for human desired traits increased. How can selectively breeding dogs

alexgriva [62]

Answer:

It makes the dogs at a higher risk of health issues later on in life.

Explanation:

The dogs are usually only bred for looks. Their health is not taken into consideration.

8 0

3 years ago

In all of the following characteristics, prokaryotes differ from eukaryotes except in cell size. nucleic acids as the hereditary

antoniya [11.8K]

Answer:

Nucleic acids as the hereditary material

Explanation:

The nucleic acids are deoxyribonucleic acids DNA and ribonucleic acids RNA. DNA is an hereditary material that carry information and it is found both in eukaryotic cells and prokaryotic cells. It is found in the nucleus of eukaryotic cells but it is not enclosed in prokaryotic cells.

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3 years ago

A diploid number of chromosome is reduced to a haploid number

guajiro [1.7K]

Explanation:

In addition, in meiosis I, the chromosomal number is reduced from diploid (2n) to haploid (n) during this process. ... In humans (2n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23).

7 0

3 years ago

Animal and Plant Cell Organelles Use the drop-down menus to determine where these organelles can be found. Ribosome Endoplasmic

rjkz [21]

Answer:

Animal Cell:

Ribosome, Endoplasmic reticulum, Golgi apparatus, small Vacuoles, Lysosomes, Mitochondria, Cell membrane, Cytoplasm.

Plant Cell:

Ribosome, Endoplasmic reticulum, Golgi apparatus, Cell wall, Big Vacuole, Lysosomes, Mitochondria, Cell membrane, Cytoplasm, Chloroplasts.

Explanation:

 Animal Cells Vegetable Cells

Cell wall NO YES

Vacuoles YES, Small and more than ones YES, Only one and big

Chloroplast NO YES

Plasmatic membrane YES YES

Mitochondria YES YES

Lysosomes YES YES

Endoplasmic reticulum YES YES

Golgi apparatus YES YES

Cytoplasm YES YES

Ribosome YES YES

Both the animal and plant cells are eukaryotic. They carry their genetic material in the nucleus and mitochondria. Organelles are located in the cytosol, and both of them are surrounded by a protector cell membrane.

However, they have some differences:

Cell wall: A rigid structure that provides support and protection.

Animal cells do not have a cell wall. They are only surrounded by the cell membrane, which is flexible, so they can adopt different shapes.
Plant cells have a wall, so their shape is usually prismatic and regular. The cell wall is composed mainly of cellulose.

Chloroplast: these are organelles that accumulate chlorophyll.

Animal cells do not have chloroplasts because they do not photosynthesize.
Plant cells have chloroplasts, and they are in charge of the photosynthesis process that allows plants to release oxygen. These organelles use solar light as the source of energy.

Vacuoles:

Animal cells have many and small vacuoles whose function is to store water, ions, and waste intracellular substances.

Plant cells have a unique big-sized vacuole that might occupy almost 90% of the cell. Their principal function is to store water and keep the turgidity. When the vacuole gets empty, the plant loses rigidity.

Other differences are:

The animal cell has centrioles, while the vegetable cell does not.

Plasmodium, chromoplasts, and glyoxysomes are present in the vegetable cell but not in the animal cell.

3 0

2 years ago

Hey, what are the phases of the moon in order????

Snezhnost [94]

Answer:

New moon, first quarter, full moon, and last quarter.

6 0

2 years ago