What is the role of a flagella in the animal cell?
Answers
Answer:
The primary function of a flagellum is that of motility. In some bacteria the flagellum can also function as a sensory organelle, being sensitive to wetness, chemicals, and temperatures outside the cell. Flagella are organelles defined by function rather than structure.
Explanation:
flagellum, plural flagella, hairlike structure that acts primarily as an organelle of locomotion in the cells of many living organisms. Flagella, characteristic of the protozoan group Mastigophora, also occur on the gametes of algae, fungi, mosses, slime molds, and animals.
Related Questions
true or false the skeleton supports the body's softer tissue
Answers
The skeleton gives shape for the body, allows movement, support and protect the organs, produce bllod cells, and stores minerals. Being a true fact that it supports the body's softer tissues.
in the human heart oxygen blood would be found in the
Answers
Answer:
left side of the heart (left ventricle and left atrium)
True or False: If more people are using the water than normal, this can lead to a drought.
Answers
Answer: True, especially if the city/state you live in has a limit of water.
Explanation: Drought can also cause long-term public health problems, including: Shortages of drinking water and poor quality drinking water. Impacts on air quality, sanitation and hygiene, and food and nutrition. More disease, such as West Nile Virus carried by mosquitoes breeding in stagnant water.
Brainliest? <33
what is the predicted product when testosterone is treated with pcc?
Answers
Treatment of testosterone with PCC (pyridinium chlorochromate) is likely to result in the oxidation of the hydroxyl group at position 3 of the steroid ring to a ketone, forming a product known as androstenedione.
PCC is a mild oxidizing agent that can selectively oxidize hydroxyl groups on steroid molecules. Testosterone is a steroid hormone that contains a hydroxyl group at position 3 of the steroid ring. Treatment of testosterone with PCC is likely to result in the oxidation of this hydroxyl group to a ketone, forming a product known as androstenedione. Androstenedione is an important intermediate in the biosynthesis of other steroid hormones such as estrogen and progesterone. The oxidation of testosterone to androstenedione can be useful in the synthesis of these hormones and other related compounds. Overall, the treatment of testosterone with PCC is likely to result in the formation of androstenedione by oxidation of the hydroxyl group at position 3 of the steroid ring.
PCC (pyridinium chlorochromate) is an oxidizing agent that is used in organic chemistry to selectively oxidize alcohols to aldehydes or ketones. When testosterone is treated with PCC, the hydroxyl group (-OH) at position 3 on the steroid ring is selectively oxidized to a ketone group (-C=O). This reaction transforms testosterone into androstenedione, which is an important intermediate in the biosynthesis of other steroid hormones such as estrogen and progesterone. Androstenedione is produced by the adrenal glands and the gonads and is also used as a supplement to increase athletic performance or muscle mass. Overall, the use of PCC to selectively oxidize testosterone provides a useful tool for the synthesis of androstenedione and other related steroid compounds.
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The carbon cycle involves which of the following: (select all correct answers that complete the following
sentence)
The transfer of carbon to-
Answers
Answer:
Explanation:
A
there are how many type of fertilizer
Answers
1. Nitrogen Fertilizers: These fertilizers provide nitrogen, which is essential for plant growth and is involved in the development of foliage and green color. Examples include ammonium nitrate, urea, and ammonium sulfate.
2. Phosphorus Fertilizers: These fertilizers provide phosphorus, which is crucial for root development, flowering, and fruiting. Examples include superphosphate and triple superphosphate.
3. Potassium Fertilizers: These fertilizers provide potassium, which is important for overall plant health, disease resistance, and the development of flowers and fruits. Examples include potassium chloride, potassium sulfate, and potassium nitrate.
4. Complete Fertilizers: These fertilizers contain a balanced combination of nitrogen, phosphorus, and potassium (NPK) in varying proportions. They provide a comprehensive nutrient supply for overall plant growth and development.
5. Organic Fertilizers: These fertilizers are derived from natural sources such as compost, animal manure, and plant-based materials. They release nutrients slowly and improve soil fertility and structure.
6. Slow-Release Fertilizers: These fertilizers are designed to release nutrients gradually over an extended period, providing a controlled and sustained nutrient supply to plants.
7. Liquid Fertilizers: These fertilizers come in liquid form and are typically mixed with water for application. They offer quick nutrient uptake by plants and are often used for foliar feeding.
It's important to note that the specific types and formulations of fertilizers can vary based on factors such as plant species, soil conditions, and specific nutrient requirements. Farmers, gardeners, and agricultural experts choose fertilizers based on the specific needs of their crops or plants.
Anwser: There are two types, organic and synthetic,
Explanation: Organic fertilizers are naturally made or made with natural ingredients. Synthetic is man made and specifically designed to match the needs of each plant.
You are to describe Adoption, Abortion, Birth/Keeping the Baby each.
Secondly, you are to find three facts about each. They can be examples of what we discussed or you can further your research. If you chose to further research, please provide websites that you got the information from incase anyone has questions.
Next, you are write a paragraph or two about the subject. It can be something we discussed in class or you can expand on it. For example (but not limited to)- an experience you know about- maybe a friend who had to make a decision; about fatherhood and the laws; your opinion on having parental consent for abortions but not adoptions; partial birth abortions, etc…
Answers
Adoption is a legal process in which a person or couple takes on permanent parental responsibility for a child who is not biologically their own.
This involves terminating the rights of the child's biological parents and transferring those rights to the adoptive parents.
Adoption provides a loving and stable home for children who may not be able to be raised by their biological parents for various reasons.
It allows individuals or couples to become parents and fulfill their desire to have a family. Three facts about adoption are:
Adoption can occur domestically within a country or internationally across borders.
There are different types of adoption, including open adoption where the birth parents maintain some level of contact with the adoptive family, and closed adoption where there is no contact between the birth parents and the adoptive family.
Adoption can be a lengthy and complex process involving legal procedures, home studies, background checks, and sometimes the involvement of adoption agencies or facilitators.
Abortion is the termination of a pregnancy by the removal or expulsion of the embryo or fetus from the uterus. It is a highly debated and sensitive topic that involves ethical, moral, and legal considerations. Three facts about abortion are:
Abortion laws and regulations vary widely between countries and even within different regions or states.
Abortion methods can include medical (using medication to induce the abortion) or surgical (removal of the fetus through procedures like suction aspiration or dilation and curettage).
Access to safe and legal abortion services is an important aspect of reproductive healthcare and women's rights advocacy.
Birth/Keeping the Baby refers to the decision of a pregnant individual to carry the pregnancy to term and raise the child themselves. It involves assuming the responsibility of parenthood and providing care and support for the child. Three facts about birth/keeping the baby are:
Becoming a parent involves significant physical, emotional, and financial commitments as one takes on the role of raising and nurturing a child.
Support systems, such as family, friends, and community resources, can play a crucial role in providing assistance to parents in raising their child.
Parenting styles and approaches can vary, influenced by cultural, societal, and personal factors, and can impact the well-being and development of the child.
In conclusion, the topics of adoption, abortion, and birth/keeping the baby involve complex decisions and personal circumstances. Each choice has its own set of implications and consequences.
It is important to respect individuals' autonomy and provide access to comprehensive reproductive healthcare, support services, and resources to ensure that individuals can make informed choices based on their unique circumstances and values.
Public discourse and policy-making surrounding these topics should consider the diverse perspectives and prioritize the well-being and rights of those involved.
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One of the products of photosynthesis is missing from the diagram, what is missing?
Answers
Answer:
glucose
Explanation:
In photosynthesis, energy from light is used to convert carbon dioxide and water into glucose and oxygen:
6 CO2 + 6 H2O + light -> C6H12O6 + 6 O2
which answer correctly compares the primary transcript in a prokaryotic cell with the functional mrna?which answer correctly compares the primary transcript in a prokaryotic cell with the functional mrna?the primary transcript is the same size as the mrnathe primary transcript and the mrna both contain intronsthe primary transcript is larger than the mrnathe primary transcript is smaller than the mrna
Answers
What is the relationship between the functional mRNA and the primary transcript found in the nucleus of a prokaryotic cell? The size of the mRNA and the main transcript is the same.
The DNA coding sequence contains a specific triplet of nucleotides known as AAA. Due to the close proximity of the ribosomes to the nascent mRNA molecules, translation of a transcript in prokaryotes starts before the transcript is finished. However, in eukaryotes, transcripts undergo nucleoplasmic modifications before being exported to the cytoplasm for translation. An average primary transcript made by RNA polymerase II is 7,000 nucleotides long, though some can reach 20,000 nucleotides in length, according to studies of these transcripts.
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According to the Frank-Starling Law of the heart, as contraction strength increases the stroke volume ________. Group of answer choices decreases shows no change increases
Answers
We can confirm that this law tells us that both stroke volume and contraction strength increase at the same time.
What is the Frank-Starling Law of the heart?This law indicates the relationship between the volume of the ventricle, specifically the left ventricle, and the strength of its contractions. It follows the logical approach that if there is more volume in the ventricle, the cardiac muscles will have to stretch to allow for the space, which in turn causes a much stronger contraction when these muscles activate.
Therefore, we can confirm that this law tells us that both stroke volume and contraction strength increase at the same time.
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Both anaerobic and aerobic respiration use regenerated to NAD* by
to produce ATP and NADH. In anaerobic respiration, NADH is
Y. while in aerobic respiration, electrons from NADH are deposited in the
to regenerate NAD*. Anaerobic respiration produces
ATP per molecule of glucose
compared to aerobic respiration.
Answers
While both anaerobic and aerobic respiration involves the regeneration of NAD+ and the production of ATP, the specific processes and final electron acceptors differ, leading to variations in ATP yield.
Both anaerobic and aerobic respiration involves the regeneration of NAD+ to produce ATP and NADH. However, there are some differences in how this occurs between the two processes. In anaerobic respiration, since oxygen is not available as the final electron acceptor, an alternative molecule, such as an inorganic compound or an organic molecule, is used.
This molecule accepts the electrons from NADH, resulting in the regeneration of NAD+ and the production of ATP. The specific molecule that accepts the electrons can vary depending on the type of anaerobic respiration occurring. For example, in lactic acid fermentation, pyruvate accepts the electrons from NADH, forming lactate and regenerating NAD+.
Anaerobic respiration produces fewer ATP molecules compared to aerobic respiration because the final electron acceptor in anaerobic respiration has a lower energy yield than oxygen. In aerobic respiration, each molecule of glucose can produce up to 36-38 ATP molecules, while anaerobic respiration typically yields around 2 ATP molecules per molecule of glucose.
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If the answer to the question cannot be _______ and _________ using a scientific process, it is not considered science.
Answers
Answer:
If the answer to the question cannot be _Tested_ and_observed_ using a scientific process, it is not considered science.
Tested and Observed.
PLEASE HELP
Which of the following is not true about single
gene mutations?
A deletion can cause the reading frame of the codons
to change affecting many amino acids of the protein
An insertion can cause the reading frame of the
codons to change affecting many amino acids of the
protein
A substitution can cause the reading frame of the
codons to change affecting many amino acids of the
protein
Answers
Answer:
I think its B because An insertion changes the number of DNA bases in a gene by adding a piece of DNA. As a result, the protein made by the gene may not function properly. But it could be C because Missense mutation is a change in one DNA base pair that results in the substitution of one amino acid for another in the protein made by a gene.
What ethical issue is related to genetically modified crops?
Answers
Explanation:
Five sets of ethical concerns have been raised about GM crops: potential harm to human health; potential damage to the environment; negative impact on traditional farming practice; excessive corporate dominance; and the 'unnaturalness' of the technology.
IN AN ARCTIC ENVIRONMENT, A POLAR BEAR POPULATION WILL INCREASE AS A BLACK
BEAR POPULATION
Answers
Answer:
NO
Explanation:
Answer:
Decrease
Explanation:
Black bears are not well evolved to survive in arctic temperatures like polar bear are so the population of black bears in that area would probably decrease until it is wiped out because they can't survive there.
Most of the atp from metabolism is produced in the:____.
a. citric acid cycle.
b. electron transport system.
c. cytosol.
d. mitochondrial matrix.
e. glycolysis.
Answers
Answer:
most of the ATP from metabolism is produced in the - mitochondrial matrix.
small hairlike projections that cover the cell’s surface
Answers
Surface microvilli are tiny projections that resemble hair and cover the cell.
Microvilli are hair-like protrusions that cover an enterocyte's surface and add to the small intestine's larger surface area.
The proximal convoluted tubule of the kidney and the epithelial cells of the small intestine both have microvilli on their exposed surfaces. The intestinal villi, which are finger-like projections at the epithelial lining of the gut wall, should not be confused with microvilli.
The apical surfaces of polarised epithelial cells include microvilli, which increase the surface area of the cell exposed to the lumen to improve absorption and secretion. Microvilli are surface-extending cells that resemble fingers.
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Liquid reactant of photosynthesis?
Answers
Answer:carbon dioxide
Explanation:The reactants of photosynthesis are carbon dioxide and water.
I’m not sure if this is what you needed
Does every muscle have the ability to have a concentric and eccentric muscle contraction?
Answers
Answer:
Eccentric muscle contraction is muscle lengthening as the muscle produces tension and the insertion moves away from the origin.
pls brinley meeeeeeeeeee
Which group of flasks acted as the experimental group and control group in Pasteur's experiment?
Answers
Answer: becteria
Explanation:
pasteur diveded micro-organisms in to severel group of and control groups.
Name two major types of mutations. What do they have in common? How are theydifferent? Give an example of each.
Answers
Answer:
Two major categories of mutations are germline mutations and somatic mutations.Germline mutations occur in gametes. These mutations are especially significant because they can be transmitted to offspring and every cell in the offspring will have the mutation.
Somatic mutations occur in other cells of the body.
Germline mutations occur in gametes. These mutations are especially significant because they can be transmitted to offspring and every cell in the offspring will have the mutation.
Somatic mutations occur in other cells of the body.
Which of the following types of RNA molecule delivers amino acids to the ribosomes?
a. messenger RNA
b. transfer RNA
c. ribosomal RNA
Answers
The appropriate amino acids are then transported into the ribosome by transfer RNA (tRNA) for inclusion in the new protein.
What roles do tRNA, rRNA, and mRNA play?The three types of RNA each have distinct structures and distinct functions. tRNA transports the amino acids to the ribosomes, which must be added to the polypeptide chain, and rRNA forms ribosomes alongside proteins during protein synthesis.
Is mRNA transferred to the ribosome?The translational reading frame must be precisely maintained while the mRNA and tRNAs are moving quickly through the ribosome during protein synthesis. Large- and small-scale conformational rearrangements in the ribosome, primarily in its ribosomal RNA, are coupled to this intricate dynamic process.
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Which source should be avoided when conducting scientific research?
encyclopedias
personal blogs
scientific journals
government websites
Answers
personal Blog
Explanation:
hope this helps you
What is stored in bonds?
Friendship
Water
Energy
Matter
Answers
Answer:
energy
Explanation:
does water have cell organization
Answers
Answer:
Yes
Explanation:
Cells are composed of water, inorganic ions, and carbon-containing (organic) molecules. Water is the most abundant molecule in cells, accounting for 70% or more of total cell mass. Consequently, the interactions between water and the other constituents of cells are of central importance in biological chemistry.
Acetylcholine is an important chemical signal in the nervous system. Once aceylcholine is released, it is quickly broken down into other chemicals because of the activity of cholinesterase. Cholinesterase is which of the following? *
a lipid
an organelle
an enzyme
a hormone
Answers
Cholinesterase is an hormones
ASAP!!!!
Which example describes an abiotic factor interacting with a biotic factor
A: more light increases the water Temperature
B: Small fish are food for larger fish
C: Tropical fish need warm water to survive
D: High water temperatures decrease oxygen concentration in the water
Answers
Answer:
C
Explanation:
heat is nonliving, whilst the fish is a living being. this describes a fish needing a certain temperature to it's climate to live in acceptable conditions.
Answer:
C
Explanation:
heat is nonliving, whilst the fish is a living being. this describes a fish needing a certain temperature to it's climate to live in acceptable conditions.
true or false: plants that reproduce with flagellated sperm form a monophyletic group.
Answers
The statement is false. While it is true that some plants, such as ferns and mosses, have flagellated sperm, these plants do not form a monophyletic group.
In other words, they do not all share a common ancestor. Instead, the ability to produce flagellated sperm has evolved independently in multiple plant lineages. For example, ferns and mosses are not closely related to each other, yet they both have flagellated sperm. Therefore, the presence of flagellated sperm is not a reliable trait for determining evolutionary relationships among plants.
This group, known as the Archegoniatae, includes bryophytes (mosses, liverworts, and hornworts) and pteridophytes (ferns and their allies). These plants share a common ancestor and have retained the ancestral trait of using flagellated sperm for reproduction.
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Why do some organelles have membranes, and some do not?.
Answers
The cell organelles may have membranes, and some may not due to differences in their functions. Organelles with membranes perform various functions like enclosing and protecting the organelle’s content while separating it from the rest of the cell.
For instance, some membrane-bound organelles like the nucleus and mitochondria are specialized for their function and require a specific environment to carry out these tasks. Other organelles, such as ribosomes, do not require this protection, and so do not have a membrane.
In conclusion, organelles can be either membrane-bound or non-membrane-bound, and this is related to their functions. Membrane-bound organelles provide the specific environment required for their functions, while non-membrane-bound organelles do not need to be isolated from the rest of the cytoplasm.
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of its brightness. C. Question: How does the addition of calcium to chicken's diet affect the hardness of eggshells? Hypothesis: Adding calcium to chicken's food is going to make the eggshells firmer. Independent variable:
Answers
Answer:
it affects the hardness of the shells because calcium has a high reactivity which causes the shell to be hard
Explanation: