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REY [17]
3 years ago
13

Distinct threadlike strutures containing genetic informatiom are called

Biology
1 answer:
andrew-mc [135]3 years ago
7 0
The answers is chromosomes 
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(b) The antibiotic streptomycin inhibits protein synthesis in bacteria. If this antibiotic is added to a culture of animal cells
mixas84 [53]

Answer:

Mitochondrial ribosomes are similar to the prokaryotic ribosomes since mitochondria evolved by endosymbiosis. So, antibiotics can affect protein synthesis in mitochondria.  

Explanation:

Streptomycin is an antibiotic that controls bacterial growth by binding to the small ribosomal subunit (the 30S) of bacteria. Thereby, this antibiotic interferes with protein synthesis and causes misreading of mRNA. Mitochondria were evolved when an anaerobic prokaryote engulfed an aerobic prokaryote which in turn became symbiotic later and lost the ability to live freely.

The ribosomes of mitochondria are similar to the bacterial ribosomes and are inhibited by the presence of streptomycin. Therefore, streptomycin was directly able to inhibit the protein synthesis in mitochondria while not affecting the same process in the cytosol of the cell.

4 0
3 years ago
dawn is trying to find out how much weight she can push across the room. she is really trying to find her. A flexibility B muscu
Ilia_Sergeevich [38]
D) Muscular strength.
She's trying to see how strong she is
6 0
2 years ago
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Which medical technology is quickly used to measure body temperature?
Flauer [41]

Digital thermometers are medical tool to measure body temperature where it uses electronic heat sensors and record the result. These thermometers can be used in the armpit, mouth or rectum. Armpit thermometer are usually least accurate compared to mouth and rectal thermometers. Rectal temperature provide best reading for infants especially those newborns and children up to 3 years old while mouth thermometer gives accurate reading for older children and adults.   

5 0
3 years ago
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What is a chemical reaction
frosja888 [35]

a reaction where particular set of chemicals changes into another form without changing their nuclei just the transfer or sharing of electrons and formation and breaking of bonds is called as chemical reaction.

example- formation of water, photosynthesis etc.

but if there is a change in nuclei than it would be called as nuclear reaction.

like Uranium breakdown etc.


4 0
3 years ago
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The two systems that work together to cause this reaction are the endocrine system that secretes the hormone and the
Simora [160]

Two control systems of the body

Endocrine and Nervous

Endocrine and nervous system similarities

-Work together to maintain homeostasis

-Release ligands (chemical messengers) that bind to cellular receptors on particular target cells

Endocrine and nervous system differences

Endocrine system: -Transmits hormones through blood

-Targets any cell in the body with the correct receptor

-Very widespread

-Exhibits longer reaction times and has longer-lasting effects

Endocrine System

-Composed of ducts and glands that synthesize and secrete hormones

-Hormones are released into the blood and transported throughout the body

Endocrine system regulation growth and development

-Changes measured from birth to puberty

-Hormones help regulate embryonic cell division and differentiation

-Hormones regulate metabolism

How does the endocrine system maintain homeostasis or blood composition and volume

-Hypothalamus

-Hormones regulate blood solute concentrations (ex glucose ions)

-Hormones regulate blood volume, cellular concentration, and platelet numbers

The endocrine system controlling digestive processes

-Trigger digestion when food is in the stomach

-Hormones influence secretory processes and movement of materials in the digestive tract

Endocrine System controlling Reproductive Activities

-Make sure sperm and egg make it to each other

-Hormones affect the development and function of the reproductive system and the expression of sexual behavior

Endocrine Glands

Contain epithelial tissue that makes and releases hormones within a connective tissue framework

Endocrine Organs

-Glands with solely endocrine functions

-Ex: Pituitary, pineal, thyroid, parathyroid, and adrenal

Endocrine Cells

-Found in clusters in organs with another function

-Examples in Hypothalamus, Thymus, Heart, Stomach, Liver, Pancreas, Small Intestine, Adipose Connective Tissue

-Pancreases is not an endocrine gland, but it does release hormones

6 0
1 year ago
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