When Substance Y is applied the cell, the cell functions normally at first, but as time goes on, action potential amplitude gradually decreases, and the resting potential gradually becomes less negative. If the cell is driven to spike more, both of these effects occur more rapidly. What part of the neuron might this substance be affecting/attacking
Answer:
Dendrites.
Explanation:
Dendrites is the part of neuron which is affected by the substance Y which leads to the decrease of action potential because dendrites is the part that obtain information from other cells and carry that information to the cell body of neuron which transfer this information to the neighboring neurons. If the dendrites is damaged or adversely affected due to chemicals then it is unable to perform its function properly and its action potential will be greatly affected.
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Bacteria are classified into five groups according to their basic shapes:
1.spherical shape (cocci) :
e.g Staphylococcus aureus grows best in an aerobic environment but it can also live in anaerobic conditions (without oxygen).
2.rod shape (bacilli):
3. spiral (spirilla) :
4.comma (vibrios) or corkscrew (spirochaetes):
They can exist as single cells, in pairs, chains or clusters.
Microorganisms can be classified according to their oxygen requirements necessary for growth and survival:
Obligate Aerobes: (oxygen required)
Facultative: (grow in the presence or absence of oxygen)
Microaerophilic: (grow best at very low levels of oxygen)
Aerotolerant Anaerobes: (oxygen not required for growth but not harmful if present)
Obligate Anaerobes: ( grow only in complete absence of oxygen; if present it can be lethal)
.
can a female get pregnant from more than one guy at once
Answer:
If there is more than on child.
Explanation:
It is possible for twins to have different fathers in a phenomenon called heteropaternal superfecundation, which occurs when two of a woman's eggs are fertilized by sperm from two different men. Ordinarily, a woman becomes pregnant because one of her eggs has been fertilized by sperm.
Please need help with this biology question (photo)
Answer:
Energy flows through the organisms from bottom to top and increases at each level.
Explanation:
Where do frog get money from ?
Answer:
me
Explanation:
from me, ihave money
Answer:
from their mouths
Explanation:
:)
what are the components of the neural tissue
Answer:
Nervous tissue contains two categories of cells — neurons and neuroglia. Neurons are highly specialized nerve cells that generate and conduct nerve impulses. Neuroglia are supporting cells that provide physical sport, remove debris, and provide electrical insulation.
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Have a gud day!!!!! :)
A young boy becomes a big brother. He expresses confusion to his parents because his little sister does not have brown eyes like his. Where is the gene for eye color found in a cell?
Answer:
on a chromosome in the nucleus.
The GM yeast is a recombinant strain.
State what is meant by the term recombinant.
Answer:
did
Explanation:
cause it as the answer on there u just have to read a paragraph u van also use duckstuster.com
Surface winds at a high-pressure system most likely are flowing
What phase is represented in the picture below?
Answer:
Interphase
Explanation:
Cells grow and make a copy of the DNA
Extra-large breakers are crashing into the surf. How will this affect the undertow? Make a prediction
Answer:
This will make the undertow return to the sea with greater intensity and violence.
Explanation:
Undertow is the movement of the wave in contrast to the sea, that is, it is the movement of the waves on themselves, which makes the sea very agitated, especially when these waves return to the sea with a lot of violence and force. Although this violence and force can be caused by the wind, extra-large breakers can also cause this effect, because the impact of the waves on the breakers, pushes the waves into the sea with more force, making them more violent and intense.
Typically, acetylation of histone tails leads to ________. Typically, acetylation of histone tails leads to ________. relaxed packaging of the chromatin and increased transcription activation of topoisomerase removal of the protein components of the chromatin from the DNA tighter packaging of the chromatin and reduced transcription increased amounts of euchromatin relative to heterochromatin
Answer:
relaxed packaging of the chromatin and increased transcription.
Explanation:
Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.
A nucleotide can be defined as an organic molecule which forms the building block of nucleic acid such as deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
Basically, nucleotide comprises of the following parts;
1. Nitrogenous base: this includes adenine (A), thymine (T), guanine (G), and cytosine (C) which are mainly found in the DNA while adenine (A), guanine (G), uracil (U) and cytosine (C) are found in the RNA.
2. A phosphate group.
3. A penrose sugar: it is either deoxyribose in DNA or ribose in RNA.
The two parts or chemical components of a nucleotide which do not change throughout the structure of DNA are;
I. Five-Carbon Sugar also known as deoxyribose and it has hydrogen on its second carbon.
II. Phosphate: this is the structural backbone that provides support to DNA.
Histones are a group of highly basic proteins that are mainly associated with deoxyribonucleic acid (DNA) in the nucleus of a living organism and are responsible for condensing it to chromatin.
Typically, acetylation of histone tails leads to relaxed packaging of the chromatin and increased transcription.
Transcription can be defined as a process which typically involves re-writing the informations contained within a Deoxyribonucleic Acid (DNA) into a Ribonucleic Acid (RNA) by enzyme RNA polymerase.
The energy released by respiration originally came from the sun.
True
Or
False
PLEASE HELP(ALL SILLY ANSWERS WILL BE REPORTED)...
Metabolism is generally referred to as the chemical processes that allow the body to function.
How do enzymes allow metabolic chemical reactions to proceed more quickly?
(10 Points)
a. They lower the activation energy of biochemical reactions.
b. They cause products of biochemical reaction to break down.
c They convert carbohydrates into proteins during biochemical reactions.
d. They decrease the amount of reactants needed for biochemical reactions.
Answer:
C
Explanation:
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Parrots can be pink or green. If a parrot is heterozygous, they will always have pink feathers. The allele for pink
feathers must be...
Recessive
Incomplete dominant
Dominant
Co-dominant
Answer:
Dominant
Explanation:
Since there are only two options for the color of the parrot and it is assumed that it can only be one or the other, it cannot be incomplete dominance or co-dominance. And if the heterozygous parrot, which is Xx, is pink then the allele specifying the pink color must be dominant
How is relative dating of fossils different from absolute dating?
Answer:
Absolute dating is the actual date of the rock and can also been known as radioactive dating. Relative dating is using the rock layers and fossil records to determine the age of the rock, and it is not the actual age of the rock. :)
Explanation:
1. The expression of genes is called the
a. Pedigree
b. Genotype
C Genome
d. Autotype
e Phenotype
What is the part of the brain that is located between the brain stem and the temporal lobe?
A. cerebellum
B. occipital lobe
C. parietal lobe
D. frontal lobe
What is a recessive trait in this crossing?
Answer:
Recessive traits can be carried in a person's genes without appearing in that person. For example, a dark-haired person may have one gene for dark hair, which is a dominant trait, and one gene for light hair, which is recessive.
Explanation:
Please select the word from the list that best fits the definition
protects the cells of plants
Answer:
cell wall protect the cell of plants
All essential amino acids
O must be obtained from the foods we eat.
are found in gelatin.
O come from enzymes.
are made in our body.
Answer:
Essential amino acids must be obtained from the foods we eat.
All essential amino acids must be obtained from the foods we eat. Thus, the correct option is A.
What are essential amino acids?An essential amino acid is also known as indispensable amino acid, these are the amino acids which cannot be synthesized from scratch by the organism fast enough to supply its demand in the body, and it must therefore come from the diet an individual eats. Of the 21 amino acids which are common to all life forms, the nine amino acids that humans cannot synthesize include valine, isoleucine, leucine, methionine, phenylalanine, tryptophan, threonine, histidine, and lysine.
Six other amino acids that are considered as conditionally essential in the human diet, meaning that their synthesis can be limited under special pathophysiological circumstances, such as prematurity in the infant or individuals in the severe catabolic distress. These six amino acids are arginine, cysteine, glycine, glutamine, proline, and tyrosine.
Therefore, the correct option is A.
Learn more about Amino acid here:
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Please Describe in your own words, human ovulation and the menstrual cycle. Make sure to include the hormones involved and what actions they trigger. Talk about what happens if an egg is fertilized or not.
Please help
Answer:
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2. According to the psychiatrist, what is Bill Nye obsessed with?
Answer: SCIENCE
Explanation:
BILL NYE THE SCIENCE GUY! BILL BILL BILL BILL
How are c4 pathway and the cam pathway an adaptive strategy for some plants
Answer:
sir sorry
Explanation:
I NEED HELP FAST!!! Catoctin Greenstone can be found in the -
-Appalachian Plateau
-Blue Ridge Mountains
-Coastal Plain
-Piedmont
-Valley and Ridge
What is the spinning of a body, such as a planet, on its axis?
O Revolution
O Rotation
O Axis
O Day
Answer:
rotation
Explanation:
rotation is the movement of a body eg eath on it's axis from West to East
2. Which method in biotechnology is used to modify existing strands of DNA in a living organism? O A. Synthetic biology B. DNA synthesis C. Genetic modification D. DNA sequencing
Answer:
C. Genetic Modification
Explanation:
The act of modifying existing stands of DNA in a living organism is called, " Genetic Engineering". In this case since this option isn't available C. Genetic Modification is a synonym.
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1.If a population has a birth rate of 0.07 and a death rate of 0.01, calculate the number of individuals added/subtracted from a population of 1,000 individuals in one year. 2.In a mark-recapture experiment, scientists tagged 300 birds in one month. Several months later, they returned and captured 500 birds. 75 of those birds had a tag on them. What is the size of the entire population
Answer:
1. The number of individuals added/subtracted from a population of 1,000 individuals in one year = 70/10 respectively (60 net).
2. The size of the entire population of birds = 2,000.
Explanation:
1. Population = 1,000
Birth rate = 0.07
Death rate = 0.01
Population Growth Rate = Birth rate + Net migration - Death Rate
= 0.07 = 0.01
= 0.06
The number of individuals added to the population = 70 (1,000 * 0.07)
The number of individuals subtracted from the population = 10 (1,000 * 0.01)
Therefore, the overall number added = 60 (70 - 10) or (1,000 * 0.06)
2. Number of birds tagged in one month = 300
Number of birds captured after several months later = 500 birds
Number of birds captured with a tag on them = 75
The proportion of tagged birds out of the captured = 75/500 = 0.15
The size of the entire population of birds = Number of birds tagged/Proportion of captured birds with a tag
= 300/0.15
= 2,000
Use the following information to answer the question. A plantlike organism on the hypothetical planet Pandora has three genetic traits: leaf color, controlled by gene L; a stem texture, controlled by gene S; and root length controlled by gene R. The three genes are linked and recombine. A geneticist performed a testcross with a strain of the organism that is heterozygous for the three traits. She recorded progeny with the following phenotypic distribution: Phenotypes Leaves Stems Roots Number 1 l S R 14 2 l S r 0 3 l s R 32 4 l s r 440 5 L s R 0 6 L s r 16 7 L S r 28 8 L S R 470 Total 1,000 What is the approximate distance between genes L and S
Al the following are parts of the cell theory except-
All cell function in unique ways.
All living things are composed of cells.
Cells are the basic units of structure and function in living things.
All cells are produced from other cells.
Other:
Answer:
All cells are made from the same major classes of organic molecules: nucleic acids, proteins, carbohydrates, and lipids, They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body's hereditary material and can make copies of themselves. Cells have many parts, each with a different function.
Explanation: