Because insertions and deletions produce a frame-shift that modifies the interpretation of following codons, they are frequently more detrimental than substitutions that modify only one amino acid.
What is a mutation?A alteration in the DNA sequence of an organism is referred to as a mutation. Errors in the replication of DNA during the process of cell division, exposure to mutagens, or viral infections are all potential causes of mutations.
Base substitutions, deletions, and insertions are the three different kinds of DNA mutations that can occur.
Because an insertion or deletion results in a frame-shift that changes the reading of subsequent codons and, as a result, alters the entire amino acid sequence that follows the mutation, insertions and deletions are typically more harmful than substitutions, in which only one amino acid is changed. This is because frame-shifts change the reading of subsequent codons.
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A disease infects an organism, causing the organism's cells to have less chloroplasts. How will the organism be impacted by having less chloroplasts?
The organism will have less chlorophy reducing its ability to collect energy
The organism will have less cellulose, reducing its ability to remove waste
The organism will absorb less oxygen, reducing its ability to produce sugar
The organism will absorb less water, reducing its ability to create DNA
Answer:
the organism will have less chlorophyll
Explanation:
chloroplasts contain chlorophyll
Chlorophyll is a green pigment, without it a plant is discolored meaning it lacks of chlorophyll. Less photosynthesis would occur, and less glucose is made as a result. There is less energy released for growth as glucose is needed for respiration.
Which of the following is an example of two organisms competing for an abiotic factor?
A. Two different species of insects
competing for leaves from trees
B. Two different species of
mammals competing for small
rodents to eat
C. Two different species of birds
competing for berries to eat
D. Two different species of
mammals competing for the
same water source
Two different species of mammals competing for the same water source is an example of two organisms competing for an abiotic factor.
What is abiotic factor?
Abiotic factors refers to non-living physical parts of the environment that affect living organisms as well as the functioning of ecosystems. In the above example, water source is a non-living part of an ecosystem which is required by both organisms.
This leads to competition of two mammals so we can conclude that two different species of mammals competing for the same water source is an example of two organisms competing for an abiotic factor.
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What would you look for under a microscope on a slide with meiotic cells if you wanted to identify metaphase I
Answer:
This question lacks options, options are: A) A visible nuclear envelope B) Separated sister chromatids at each pole of the cell C) Tetrads lined up at the center of the cell D) A synaptonemal complex E) A cleavage furrow. The correct answer is C.
Explanation:
During Metaphase I, the chromosomes line up at the midpoint or equator between the poles of the cell and are found at their thickest and shortest structure, that is, the tetrads line up at the equator of the cell. They are identified as two double longitudinal sister chromatids. In animals and plants, the chromatids are connected (at their centromeres) to the fusiform apparatus, which has formed between the two centrioles located at the poles of the cell. In many plants, the centrioles are absent. However, the spindle is still present and the plant chromosomes are attached similarly to the microtubule fibers of the spindle.
Describe two applications each of hydrodynamics and aerodynamics.
what is the general trend in the elk and wolf populations between 1990 and 2000?
Answer: Decrease
Explanation:
Suppose you were floating in space at a safe distance from a large explosion such as the supernova at left. Do you think you would hear anything? Explain.
Answer:
No sounds can be heard in outer space because sound waves require a medium, such as air, to travel through.
Explanation:
What would the molecular formula be for the following? For each answer, state what kind of bonds hold the molecule together (ionic, polar-covalent, or non-polar covalent)
a. Flourine reacting with sodium
b. Oxygen reacting with carbon
c. Nitrogen reacting with hydrogen
d. Silicon reacting with hydrogen
e. Sulfur reacting with hydrogen
f. Magnesium reacting with oxygen
Answer:
Explanation:
A. sodium fluoride = NaF = ionic bond
B. carbon dioxide = CO2 = polar covalent bond
C. hydrogen nitrate = 2NH3 = ionic bond
D. silicon hydride = Si nH 2n+2 = polar covalent bond (i think.. could be non-polar but definitely not ionic)
E. hydrogen sulfide = H2S = non-polar covalent bond
F. magnesium oxide = MgO = ionic bond
hope this helps! :)
Human growth hormone (HGH) is necessary for growth during human adolescence. Pituitary dwarfism is a condition that results from the inability of a person to produce HGH. Luckily, the human gene for HGH can be inserted into E. coli bacteria, which are able to make our HGH. The resulting HGH is used by people who are unable to make their own. What property about hereditary information makes this possible
Answer:
The correct answer is - DNA is a genetic language that is common and uses by every organism including humans and bacteria.
Explanation:
DNA is the unit of heredity and present in almost every living organism, it carries the genetic information and transfer from generation to generations. In this process of transfer of the genetic information, there are two processes transcription and translation helps to produce protein.
The ability to produce proteins with the help of DNA for the particular function as said in question which is HGH production. Correcting the abnormality of not able to produce HGH, to produce the normal protein with the help of putting human genes into Bacteria as DNA is universal genetic language.
which of the following is a correct statement about the event of the cell cycle
Answer:
The answer which is a correct statement about the events of the cell cycle is 4) Interphase consists of the G1, S phase, and G2 phase - it also consists of G0 phase, but that is not included in this option
Answer:
i/d/k
Explanation:
Which behavior is a response to an external stimulus?
A. An elephant drinks water to quench its thirst.
B. A dog vomits during an illness to rid itself of pathogens.
C. A child gets a fever to fight off the flu.
D. A turtle suns itself on a rock during a cool day.
Answer:
The answer is in picture below
Explanation:
Hope this helps <3
What was happening in history when this mutation took off in parts of Europe and Africa?
PLEASE SOMEONE HELP ME I’M REALLY STRUGGLING
Answer:seventy-seven thousand years ago, a craftsman sat in a cave in a limestone cliff overlooking the rocky coast of what is now the Indian Ocean. It was a beautiful spot, a workshop with a glorious natural picture window, cooled by a sea breeze in summer, warmed by a small fire in winter. The sandy cliff top above was covered with a white-flowering shrub that one distant day would be known as blombos and give this place the name Blombos Cave.
Explanation:
2. Insects which attack woollen clothes are
a. Silkworm b. silver fish c. ants d. butterflies
Answer:
a
Explanation:
it would be a silkworm because they feed exclusively on animal fibers such as wool. hope this helps!
Describe how the gonorrhoea pathogen causes disease after it enter the body
Answer:
Gonorrhea is transmitted through sexual contact with the penis, vagina, mouth, or anus of an infected partner. Ejaculation does not have to occur for gonorrhea to be transmitted or acquired. Gonorrhea can also be spread perinatally from mother to baby during childbirth.
Which amino acid does not occur in proteins stucture ?
Answer:
so I can get on the phone with my mom and I are going to the house and get back to you on that one and the other is a good time to call you today but I will be there at his house and he will be there at his house and he said he
2.
Which two of the following structures are found in both prokaryotic and eukaryotic cells?
ribosomes
© vacuole
O cell membrane
® Golgi bodies
O nucleus
E endoplasmic reticulum
Sickle cell anemia and albinism are both recessive traits in humans. Imagine that a couple, already pregnant with fraternal twins, has just learned that they (the couple) are both heterozygous for both of these traits. As the couple's genetic counselor, the couple asks you what is the probability of having both of the twins be albino and have sickle-cell anemia.
Answer:
81/256
Explanation:
By doing a test cross of albinism and sickle cell anemia you'll see that the probability that one child is unaffected by either conditions will be 9/16. Both children would be 9/16 * 9/16.
Since fraternal twins are developed from two separate fertilization events the probability chance will be independent.
Help plz
environmental cues can affect gene expression and protein synthesis.
true or false
Answer:
pretty sure its true
Explanation:
which of the following is necessary for cellular respiration and photosynthesis to occur
Answer:
Sunlight!
Explanation:
The color of a light wave is determined by its wavelength. On the COLOR tab, slowly drag the Light wavelength slider back and forth and observe the effect on oxygen production. How does the color of light affect the rate of photosynthesis
Answer:
The color of light determines how effective chlorophyll pigment will be at absorbing light.
Explanation:
Photosynthesis is a metabolic process that requires light, which is an electromagnetic radiation. Light on the electromagnetic spectrum is determined by wavelength. Each region/color of light occurs at a specific wavelength.
Hence, chlorophyll pigment, which is the major photosynthetic pigment effectively absorbs blue and red light in the visible light region of the electromagnetic spectrum. Hence, the rate of photosynthesis will be affected negatively if the color of light is not the one stated above.
You plan to clone a guide RNA sequence into the pML104 plasmid because you want to engineer the construct in bacteria and later express it in yeast. Unfortunately, your lab does not have any available pML104. Your friend in the lab next door lets you borrow a related plasmid pML107, and you quickly start your experiment. Will it work? Briefly explain.
Answer:
Yes, the experiment will work.
Explanation:
The reason behind this is that plasmids are well known to be DNA vector carriers. These plasmids have the ability to bring about changes in DNA fragments into various microorganisms and reveal them. The two plasmids compose of the same genomic marker such as the antibiotic resistance gene found in URA3. However, plasmids are most commonly found in bacteria, but also in eukaryotic cells. Oftentimes, the gene composition in the plasmids enhances the bacteria with a vantage edge such as antibiotic resistance.
Hence, it is obvious that in both, the molecular regulation in terms of expression of genes is alike in properties. Similarly, the numbers of copies and molecular weight are also the same.
We can thereby conclude that, provided that there is a proper restriction site, another host that is up to standard for plasmid can be replaced for each other.
3. A population of 70 jaguars lives in a rainforest measuring 350 square miles. What is the population
density of the jaguars? (Hint: You cannot have a fraction of a jaguar)
Answer:
5 jaguars per square mile.
Explanation:
If you do 350 ÷ 70 it comes to 5, so that means it's 5 jaguars per square mile. Have a fun day. :)
The population density of jaguars in the rainforest is 0.2 jaguars per square mile.
To calculate the population density, we divide the total number of individuals (70 jaguars) by the area of the habitat (350 square miles).
Population density = Total number of individuals / Area
Population density = 70 jaguars / 350 square miles
Simplifying the calculation, we find that 70 divided by 350 equals 0.2. Therefore, the population density of jaguars in the rainforest is 0.2 jaguars per square mile.
Population density is a measure of how concentrated a population is within a given area. In this case, it tells us how many jaguars are found on average in each square mile of the rainforest. A population density of 0.2 jaguars per square mile means that, on average, there are 0.2 jaguars in every square mile of the rainforest.
It's important to note that population density can vary across different habitats and species. Factors such as food availability, territory size, and reproductive behavior can influence the distribution and concentration of individuals within a given area. Understanding population density helps researchers assess the health of a population, monitor changes over time, and make informed conservation and management decisions.
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1. Which of the following is NOT a characteristic of life.
A. Being Multicellular
B. Responsiveness to the Environment
C. Growth and Change
D. Maintain Homeostasis
Answer:
it may be a or d but b and c are a characteristic in life
In addition to greenhouse gases, what other evidence do scientists
collect from glaciers that provides information about the climate?
How does energy from the Sun travel to Earth?
through radiation
through convection
through conduction
through the movement of particles
Answer:
A
Explanation:
its right on the enviromental systems cumlative exam on edg 2021
The energy from the Sun travel to Earth through radiation.
Heat transfer by radiation
Radiation is a method of heat transfer that does not require a material medium for the heat transfer process.
Energy transfer from the sunThe energy transfer from the sun reaches the earth through radiation process since the the energy travels in wave form.
Thus, the energy from the Sun travel to Earth through radiation.
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What is the role of helicase in DNA replication?
Answer:
The helicase is essential because they separate the double-stranded DNA into single strands so that it could be copied.
Hoped this helped!
The continental crust and oceanic crust together make up the ________
A. lithosphere.
B. asthenosphere.
C. lower mantle.
D. upper mantle.
How does the ozone layer affect earth? Why should people be concerned it has a hole.
All of the energy comes from the sun but ______________ capture this energy.
(Copy pasted)
Please answer
Answer:
chloroplasts
Explanation:
plants and other organisms capture the energy, but if you wanna get really specific its chloroplasts
3.4 Briefly describe the purpose of conjugation in paramecia.
Answer:
Conjugation is a process of exchange of genetic material between two organisms. paramecium is a unicellular protozoan in which true sexual reproduction is absent. so in these organisms conjugation brings genetic variatin in new generations.
Explanation:
The function of conjugation in paramecium is to exchange genetic material between organisms and make new combinations of genetic material.
Once a liquid substance gains enough thermal energy, it can change to a solid state.
True
or
False
Answer:true
Explanation:
Answer: Yea it’s True
Explanation:
