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max2010maxim [7]
3 years ago
9

A client with a long history of "hay fever" has recently begun a series of immunotherapy (allergy shots). this treatment potenti

ally will achieve a therapeutic effect by:
Biology
1 answer:
zhenek [66]3 years ago
6 0
<span>Stimulating production of IgG to combine with antigens. In immunotherapy, injected antigens stimulate production of high levels of IgG, which acts as a blocking antibody by combining with the antigen before it can combine with the cell-bound IgE antibodies. This therapy does not block cytokine release, prevent mast cellsensitization, or change the maturation process of T cells</span>
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During DNA replication, which of the following components is not required?​
masya89 [10]

Answer:

im not sure, but i think its single-stranded

Explanation:

5 0
3 years ago
Squamous epithelium, sperm cells, smooth muscle, or human red blood cells:
polet [3.4K]

Answer:

1. sperm cells: cell has a flagellum for movement

2. smooth muscle: cells have an elongated shape (tapered at each end)

3. Squamous epithelium: cells are close together

4. Human red blood cells: cells are circular

5. Squamous epithelium cells are thin and flat, with irregular borders

6. Human red blood cells: cells are anucleate (without a nucleus)

7. smooth muscle: longest cell

Explanation:

  • <em>Sperm cells</em>: Active and morphologically specialized cells. They characterize as having an elliptic head mostly occupied by the nucleus, and a tail of about 55 micrometers that moves impulsed by a motor dynein protein that uses ATP energy.
  • Smooth muscle cells: Fusiform cells. Long and tapered at the extremes. Located in organs and viscera, and in vessel walls, where involuntary maintained slow contractions are needed. Although they are the longest cells, their length depends on the organ where they are located. They might reach up to 500 microns.
  • Squamous epithelium cells: The wide and length of the cells supere their height. Some of them suffer a process of keratinization from being exposed to dehydration and touch.  
  • Red blood cells: Red blood cells or erythrocytes are biconcave disks-shaped, with no nucleus, and very small. These are flexible cells that might move along in the smallest capillaries. Hemoglobin provides the typical red color. The red blood cell size and number vary among species.
4 0
3 years ago
The genetic code is a sequence of DNA nucleotides. In eukaryotic cells, the DNA is located in the nuclei of the cells. The genet
siniylev [52]

<em>Explanation: </em>

<em />

<em>Complete question... </em>

<em>a) the same codons are assigned to the same amino acids in most living things. </em>

<em>b) the same codons are assigned to the same DNA sequences in most living things. </em>

<em>c) None of these are correct. </em>

<em>d) the same amino acids are assigned to the same DNA sequences in most living things. </em>

<em />

<em>The genetic code is ubiquitous- it is found </em><em>everywhere</em><em> in most living organisms. Thus </em><em>a) the same codons are assigned to the same amino acids in most living things. </em>

<em />

<em>S</em>equences of DNA make up genes which can have different forms called alleles. DNA is transcribed into mRNA and later translated into amino acids which are linked together by rRNA to form proteins.

Further Explanation:

The nucleic acids are comprised of smaller units called nucleotides and function as storage for the body’s genetic information. These monomers include ribonucleic acid (RNA) or deoxyribonucleic acid (DNA). They differ from other macromolecules since they don’t provide the body with energy. They exist solely to encode and protein synthesis.

Basic makeup: C, H, O, P... life on Earth is Carbon based nucleotides contain 5-carbon sugars, and  nitrogen; the bases may contain single to double bond rings

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. Codons are three nucleotide bases, with each codon encoding an amino acid or signalling the beginning or end of protein synthesis.

RNA codons determine certain amino acids so the order in which the bases occur within in the codon sequence designates which amino acid is to be made bus with the four RNA nucleotides (Adenine, Cysteine and Uracil) Up to 64 codons (with 3 as stop codons) determine amino acid synthesis. The stop codons ( UAG UGA UAA) terminate amino acid/ protein synthesis while the start codon AUG begins protein synthesis.

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

8 0
4 years ago
Which of the following abiotic factors might have an effect on how much photosynthesis can occur by the producers in an ecosyste
Evgesh-ka [11]

Abiotic factors such as temperature, water quality, air quality, soil quality, and sunlight efficiency affect the rate of photosynthesis. Thus, the correct option is D, i.e. All of the above can affect photosynthesis.

<h3>What is Photosynthesis?</h3>

Photosynthesis may be defined as a process through which green plants synthesized their own food (glucose) via carbon dioxide and water in the presence of sunlight.

The rate of photosynthesis primarily depends on the numerous abiotic factors which are present in a particular environment.

For example, Desert plants accomplish photosynthesis by the CAM pathway, which requires less water as compared to rainforest plants.

The maximum rate of photosynthesis occurs in the region of photosynthetically active radiation (PAR), which belongs to the wavelength of 400nm-700nm.

Therefore, it is well described above.

To learn more about Photosynthesis, refer to the link:

brainly.com/question/19160081

#SPJ1

6 0
2 years ago
Gina is driving her car down the street. She has a teddy bear sitting on the back seat. A dog runs in front of Gina's car, so sh
Keith_Richards [23]
<span>Newton's 1st Law of Motion- an object (bear) will stay in motion until acted upon by an unbalanced force</span>
6 0
3 years ago
Read 2 more answers
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