Answer:
Explanation:
1.A deletion mutation occurs when a wrinkle forms on the DNA template strand and subsequently causes a nucleotide to be omitted from the replicated strand.
2.This type of variant results in a shortened protein that may function improperly, be nonfunctional, or get broken down. An insertion changes the DNA sequence by adding one or more nucleotides to the gene.
3. A substitution mutation can cause the following: Change in the coding of amino acids codon to a particular stop codon resulting in an incomplete protein, which is usually non-functional. Can cause Silent mutations where a codon change can encode the same amino acid resulting in no changes in the protein synthesized.
4. when a premature nonsense or stop codon is introduced in the DNA sequence. When the mutated sequence is translated into a protein, the resulting protein is incomplete and shorter than normal. Consequently, most nonsense mutations result in nonfunctional proteins.
What kind(s) of cells can develop from unipotent stem cells?
A. Only cells that are closely related to the stem cell
B. Only cells that are identical to the original stem cell
C. Any cell of the human body, but not cells of the placenta
D. Any cell of the human body or the placenta
Answer:
muscle stem cells
Explanation:
Unipotent Cells Unipotent stem cells can self-renew and differentiate into only one specific cell type and form a single lineage such as muscle stem cells, giving rise to mature muscle cells and not any other cells [44–47] .
What is species definition
Answer:
a race of animal
Example:
a wolf and a dog are the same species
Answer:
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and denoted by a Latin binomial
A type of animal.
how could you tell if your inmune system were not functioning properly
Why do plant cells have chloroplasts?
Answer:
The chloroplast has chlorophyll and the chloroplasts also helps with makes photosynthesis happen. It takes the suns energy and turns it into energy for the plant. So it uses solar energy and makes chemical energy.
Explanation:
What is measurement? Write any two importance of it. Why do we need measurement?
Answer:
The comparison of an unknown quantity with a known established standard quantity.
any two important of it are:
a) it helps in performing scientific experiments to establish truth about a physical phenomenon.
b) It helps in performing experiment for making our daily food.
What does the word Photosynthesis mean?
A. Release of energy through the breakdown of Glucose.
B. Creating photographs.
C. Taking apart with light.
D. Putting together with light.
Answer:
A
Explanation:
release of energy through the breakdown of glucose
The release of energy through the breakdown of Glucose means Photosynthesis.
PhotosynthesisPhotosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities. Some of this chemical energy is stored in carbohydrate molecules, such as sugars and starches, which are synthesized from carbon dioxide and water – hence the name photosynthesis, from the Greek phōs "light", and synthesis "putting together" Most plants, algae, and cyanobacteria perform photosynthesis; such organisms are called photoautotrophs. Photosynthesis is largely responsible for producing and maintaining the oxygen content of the Earth's atmosphere and supplies most of the energy necessary for life on Earth.
Although photosynthesis is performed differently by different species, the process always begins when energy from light is absorbed by proteins called reaction centers that contain green chlorophyll (and other colored) pigments/chromophores. In plants, these proteins are held inside organelles called chloroplasts, which are most abundant in leaf cells, while in bacteria they are embedded in the plasma membrane. In these light-dependent reactions, some energy is used to strip electrons from suitable substances, such as water, producing oxygen gas.
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what does Cystic fibrosis do?
(please write in your own words)
If a scientific journal article is difficult to understand in its entirety, what is the best resource for comprehending the overall study
and results?
Answer:B an abstract of the study
Explanation:
How do I work this question out I’m struggling
If eukaryotes all came about due to endosymbiosis, what would result from that?
preserved DNA from the original ancestor that remains unchanged
every organism would have the same set of body systems and functions
ancient prokaryotes living inside of modern eukaryotes
similar structures in eukaryotes with slight variations depending on their use
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I'm not sure, if this is right...
But, I believe the answer is..
D. similar structures in eukaryotes with slight variations depending on their use.
Hopefully, this helps you!!
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Answer:
Similar structures in eukaryotes with slight variations depending on their use.
¿Cuántos y cuáles son los huesos del cráneo?
Answer:
yes
Explanation:
The heart is an example of which level of organization within an organism?
cell
organ
tissue
оо
organ system
Answer:
tissue is a right answer
tissue is the right answer the heart is an example of tissue.
A woman took contraceptive pills to prevent pregnancy. The pill inhibits secretions of the Follicle Stimulating Hormone(FSH) from the pituitary gland. Explain the effects of taking contraceptive pills on the menstrual cycle.
I need an answer now... Pls help
lighter bleeding, and others may skip their periods entirely. An abnormal lapse in monthly menstruation
healthline
How do we aquire knowledge in science?
Answer:
By studiying and aying attention in class
Explanation:
Answer:
The answer is:
By studying. By exploring. By paying attention to the lessons)
Explanation:
An object moves 100m in 5sec, Calculate speed.
pls answer my question
define uniform and non-uniform velocity. How much acceleration is produced on an object at uniform motion, why? Pls answer my question anyone pls!
Answer:
when a body covers equal distance in equal interval of time with a known direction, small the interval may be then velocity is said to be uniform velocity.
when an object covers unequal distance in a specified direction is said to be non-uniform velocity.
It produce zero acceleration as acceleration is defined as the rate of change of velocity per unit time. So, if the body exhibit uniform velocity,then the rate of change of velocity (dv=0) will be zero.
Explanation:
This answer may help u .
A group is considered monophyletic if
A. all members of the group share a common ancestor that is included in the group.
B. all members share homoplastic traits.
C. the group does not contain the most recent common ancestor.
D. not all descendants of the common ancestor are included.
E. it is the most parsimonious grouping.
Page No. Date What is Cocoon 2 How is it produce
Cocoon, a case produced in the larval stage of certain animals (e.g., butterflies, moths, leeches, earthworms, Turbellaria) for the resting pupal stage (see pupa) in the life cycle. Certain spiders spin a fibrous mass, or cocoon, to cover their eggs.
Which of the following processes would be an example of an anabolic pathway?
A set of coupled reactions that are exergonic
A set of reactions that break covalent bonds between molecules to release free energy
A set of reactions that release energy that can be used to drive cellular work
A set of reactions that combine monomers into larger, more energy-rich polymers
Answer:
A set of reactions that release energy that can be used to drive cellular work
Explanation:
I think im not so sure!!
Answer:
The answer is
D - a set of reactions that combine monomers into larger, more energy-rich polymers
Explanation:
I can't explain it, I just know I'm right!
A field of sunflowers facing the sun is an example of
Answer:
Phototropism
Explanation:
Phototropism. Although both types of movement orient plants toward a light source, heliotropism is not the same as phototropism. Phototropism is the term that describes the growth of a plant toward any light source.
Answer:
Phototropism. Although both types of movement orient plants toward a light source, heliotropism is not the same as phototropism. Phototropism is the term that describes the growth of a plant toward any light source.
Explanation:
Image result for A field of sunflowers facing the sun is an example of
Continuously facing towards the east also helps the flowers to heat up quickly. This gives them an advantage in pollination, as warm flowers attract insects. Therefore, in the plant's interest, the flower always faces the sun and is therefore always clearly visible to these important pollinators.
word equation for photosynthess
Answer:
6CO2 + 6H2O → C6H12O6 + 6O2.
Explanation:
The process of photosynthesis is commonly written as: 6CO2 + 6H2O → C6H12O6 + 6O2. This means that the reactants, six carbon dioxide molecules and six water molecules, are converted by light energy captured by chlorophyll (implied by the arrow) into a sugar molecule and six oxygen molecules, the products.
Why could the change in the tilt of Earth cause temperatures on
Earth to change?
The change in the tilt of the Earth can affect the distribution of sunlight and thus influence temperatures on Earth.
Earth's tilt and temperatureThe tilt of the Earth, known as obliquity, affects the distribution of sunlight and influences temperatures.
A greater tilt leads to more pronounced seasons, with hotter summers and colder winters, while a lesser tilt reduces the seasonal contrast. These changes occur over long timescales.
However, short-term climate variations are primarily influenced by factors like greenhouse gases, ocean currents, and atmospheric circulation patterns.
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Why do some researchers prefer to use embryonic stem cell in medical research?
A. There is no controversy surrounding the use of embryonic stem calls
B. The use of embryonic stem cell is much less expensive than the use of adult stem cells
C. No living tissue is damaged when scientists use embryonic stem cells
D. Embryonic stem cells are able to differentiate into a wider range of call than adult stem cells
Answer:
Cell therapies would use stem cells, or cells grown from stem cells, to replace or rejuvenate damaged tissue. Scientists also want to use stem cells to understand disease and find drugs that might treat it. Embryonic stem cells could be used to make more specialized tissues that have been lost to disease and injury
The researchers prefer to use embryonic stem cell in medical research as Embryonic stem cells are able to differentiate into a wider range of call than adult stem cells.
What are the functions of embryonic stem cells?A blastocyst, an early-stage pre-implantation embryo, is the source of embryonic stem cells, which are pluripotent stem cells. Four to five days after fertilization, human embryos reach the blastocyst stage.
The human blastocyst, an early stage of the developing embryo that lasts from the fourth to seventh day after fertilization, contains embryonic stem cells (ESCs) in its inner cell mass. In typical undeveloped turn of events, they vanish after the seventh day.
The ability to differentiate into cell types belonging to the three germ layers (ectoderm, endoderm, and mesoderm) is what is meant by the term "pluripotent." the three distinct types of tissue that are present during embryonic development and later combine to form the adult.
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You are part of a research group that is attempting to improve on the beneficial genetic modification of golden rice, to
further reduce global hunger issues. Which of the following is NOT a benefit you would see?
A. Rice crops growing in areas that were previously too harsh to grow in
OB. Cheaper rice crops
C. Larger rice crop yields
D. Rice crops that can also be put in fermenters to produce useable proteins
Answer:
A
Explanation:
The following that is NOT a benefit you would see is Rice crops growing in areas that were previously too harsh to grow in. Option A. This is further explained below.
What is genetic modification?Generally, Genetic modification (GM) refers to a technique that allows for the introduction of foreign DNA into an organism's genome.
In conclusion, One drawback you would not experience is the cultivation of rice in climates where it was previously unfeasible to do so.
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q.no. 5 answer me please please please please please please please please please please please
Answer:
(a)The strength of natural fibers is very less as compared to synthetic fibers. Natural fibers are heavy in weight. Natural fibers can be damaged by moths and other insects. These fibers are not wrinkle-free. These fibers are not long lasting and hence not durable.
(b) Cellulose is termed as polymer because it is made up of many monomer units.
(c) Rayon is first man- made fibre it is known as artificial silk because it have properties that are similar to silk.
(d) Rayon possesses many properties of natural fibers since it is a semi-synthetic fiber. Nylon is a synthetic fiber and has properties that are completely different from natural fibers. The key difference between rayon and nylon is their resistance to wrinkles and tears.
(e) Nylon has since become a popular choice, as it has excellent wind resistance, good elasticity, mildew resistance, and is comparatively cheaper. The material is also lightweight and dries quickly.
(f) When the piece of cotton is burnt then it burns completely and produces no odour or smell. When nylon is burnt, It completely burns and produces burning paper like odour. When nylon is burnt then the nylon is completely shrink and starts to melt first and then produces odour during the time of burning
In which part of the human digestive system digestion doesn't take place. *
1 point
A) Stomach
B) Small Intestine
C) Oesophagus
D) Mouth
Answer:
Oesophagus is the part where digestive doesn't take place .
In your own words, describe the role of the scientific method in scientific investigation.
The scientific method serves as a structured framework for conducting scientific investigations.
How does the scientific method shape investigative processes?The scientific method involves a series of steps, starting with observation and formulation of a research question. Researchers then formulate hypotheses, educated guesses about the outcomes of their experiments.
These hypotheses are tested through carefully designed experiments, allowing for the collection of empirical data. The collected data is then analyzed to draw meaningful conclusions. The scientific method promotes objectivity, consistency, and reproducibility in research, enabling scientists to build upon existing knowledge and refine their understanding of the natural world.
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After phosphates and nitrates have entered a water
system, identify the correct steps of Eutrophication.
I. Oxygen levels drop
II. Underwater plants die
III. Fish and invertebrates die
IV. Algae grows rapidly
A. II, III, IV, I
B. IV, II, I, III
C. I, III, IV, II
D. III, II, I, IV
After phosphates and nitrates enter a water system, the steps of eutrophication include the rapid growth of algae, death of underwater plant species, depletion of oxygen in the water, and the death of fishes and invertebrates. The correct option would be B.
Eutrophication refers to the excessive enrichment of water bodies by nutrients such as phosphates and nitrates thereby facilitating the rapid growth of some aquatic species with negative effects.
Once a water body becomes excessively enriched with phosphates and nitrates, the following is a sequence of events that follows:
Algal bloom: the nutrients facilitate the rapid growth of algaeThe bloom of algal species results in the death of underwater plants as a result of inadequate light.The death of the underwater plants and the accompanying microbial activities in decomposing them cause oxygen levels in the water to drop.Reduction in oxygen level causes fishes and other water invertebrates to die due to hypoxiaTherefore, the correct steps of eutrophication according to the illustration is IV, II, I, and III.
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Which part of the
upper respiratory
system is designed to
interact with food and
air?
A. larynx
B. nose
C. pharynx
D. trachea
Answer:
C.Pharynx
Explanation:
A person always feels hungry, even a short time after eating. This person also has high blood calcium levels. This person could have a disorder with which glands?
Hypothalamus; thyroid
Pineal; thyroid
Hypothalamus; adrenal
Pineal; adrenal
The correct glands are hypothalamus and thyroid gland.
The HYPOTHALAMUS is a part of the forebrain which is the main co-ordinating and control center for the autonomic nervous system. It plays an important role in homeostasis. It
--> regulates body temperature and the body's urges such as thirst and hunger by impulses it sends along the autonomic nervous system; and
--> controls endocrine secretions by monitoring the metabolites and hormone levels in blood.
The THYROID GLAND is an endocrine gland located in front of the larynx and trachea. This gland is known to produce a hormone called calcitonin from its parafollicular cells.
The calcitonin is secreted when there is high level of calcium in the blood, opposing the effects . Therefore it helps in the regulation of calcium levels in the blood. A disorder of the Thyroid gland can lead to absence of this hormone, calcitonin, thereby leading to high levels of calcium in the blood.
THEREFORE, the correct glands are HYPOTHALAMUS and THYROID GLAND.
PINEAL GLAND is NOT correct because it a gland located at the brain, which involves the secretion of the hormone melatonin which is associated with development of sec organs.
ADRENAL GLAND is NOT correct because the secretions from this gland helps in regulation of metabolism of the body.
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