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castortr0y [4]
3 years ago
13

contrast ionic covalent bonds. what happens to the valence electrons how does it affect the elements/compounds

Biology
1 answer:
alexgriva [62]3 years ago
7 0

Answer:

The number of electrons in an atom's outermost valence shell governs its bonding behaviour. Elements whose atoms have the same number of valence electrons are grouped together in the Periodic Table. ... To form a covalent bond, one electron from the halogen and one electron from another atom form a shared pair.

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If a promoter is found within a nucleosome, how would it be possible to express that gene if needed?
SIZIF [17.4K]

Answer:

A) special proteins would open the promoter while

Explanation:

A promoter is an area of DNA that can be bound to be proteins in order to initiate processes such as transcription. These sequences are usually a repetitive code.

---------I HOPE IT HELPS-----------

7 0
3 years ago
Which of these would be true concerning mitochondria and nerve cells?
DIA [1.3K]

Answer: D just took the test

Explanation:

5 0
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Describe in a short paragraph how the following terms work together in an ecosystem and which of the terms can be used to includ
podryga [215]
Trophic level: the feeding level of an organism in a food web or chain. Food web: a diagram showing a series of interconnected food chains and the flow of energy through an ecosystem. Food chain: a diagram showing the flow of energy from one trophic level to the next. E.g. Consumer or decomposed Consumer: an organism which feeds on other organisms to obtain its nutritional requirements (part of a food web/chain). Producer: an organism capable of trapping the suns energy and converting it to sugar in the process of photosynthesis. Therefore the term food web is the term used to include all of the above. 
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4 0
3 years ago
Read 2 more answers
Respond to the following based on your reading. A type of tissue called _______ tissue is responsible for communicating between
ryzh [129]
The Answer are :
Nervous Tissue
Immune System
Again, Immune System
Antibody
Antibodies
Vitamins
Vitamin  C
osteomalacia
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Explanation:
Nervous tissue is one of four major classes of tissues. It is specialized tissue found in the central nervous system and the peripheral nervous system. It consists of neurons and supporting cells called neuroglia. The nervous system is responsible for the control of the body and the communication among its parts.
The immune system protects your child's body from outside invaders, such as bacteria, viruses, fungi, and toxins (chemicals produced by microbes). It is made up of different organs, cells, and The immune system protects the body from worms, germs, and other agents of harm. The immune system is like a medieval castle. ... The body's first line of defense consists of different types of barriers that keep most pathogens out of the body. Pathogens are disease-causing agents, such as bacteria and viruses. proteins that work together.
Honey has been linked to health benefits like improved heart health, wound healing, and blood antioxidant status. However, consuming too much may cause adverse effects due to its high sugar and calorie content. Thus, it's best to use honey to replace other forms of sugar and enjoy it in moderation.
Antibodies are proteins that recognize and bind parts of viruses to neutralize them. Antibodies are produced by our white blood cells and are a major part of the body's response to combating a viral infection. Antigens are substances that cause the body to produce antibodies, such as a viral protein.
Vitamins are substances that your body needs to grow and develop normally. There are 13 vitamins your body needs. They are. Vitamin A. B vitamins (thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B-6, vitamin B-12 and folate)
a disease caused by a deficiency of vitamin C, characterized by swollen bleeding gums and the opening of previously healed wounds, which particularly affected poorly nourished sailors until the end of the 18th century.
osteomalacia
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Chyme or chymus is the semi-fluid mass of partly digested food that is expelled by the stomach, through the pyloric valve, into the duodenum. Chyme results from the mechanical and chemical breakdown of a bolus and consists of partially digested food, water, hydrochloric acid, and various digestive enzymes.
The first step in making urine is to separate the liquid part of your blood (plasma), which contains all the dissolved solutes, from your blood cells. Each nephron in your kidneys has a microscopic filter, called a glomerulus that is constantly filtering your blood.
8 0
3 years ago
Read 2 more answers
Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome.
Vladimir [108]

Answer:

D) The structural genes will be transcribed continuously.

Explanation:

Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome.  If she moves the operator to the far end of the operon, past the transacetylase (lacA) gene, the structural genes will be transcribed continuously.

A structural gene is a gene that codes for any RNA or protein product other than a regulatory factor (i.e. regulatory protein).

7 0
4 years ago
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