Answers
Answer:
A. Egg Maturation
Explanation:
Endocrine glands in the reproductive system produce sex hormones that are responsible for secondary sex characteristics in men and women. Sex hormones also contribute to the production of sex cells, or gametes. Eggs in the female ovary is part of that, therefore the answer is most likely egg maturation.
Related Questions
d) What happens to a microscope if place at the edge?
Answers
When the object is placed on the slide and is in focus for each objective, the space between the slide and the objective lens gets reduce, so the microscope shouldn't be set exact at the edge.
As the objective magnification increases, the working space also increases. Therefore, you need to change it to a higher power target.
Change the focus knob to increase the stage as you look at the objective lens and stage from the side. Without permitting the objective to make contact with the coverslip, increase it as high as it can go. The sample's focus or the condenser and light intensity might need to be arranged.
Thus the accurate way to focus is that adjustments need to be made effectively and smoothly
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When electrons flow along the electron transport chains of mitochondria, which of the changes occurs? The correct answer is (B) the pH of the matrix increases. As electrons are passed along the electron transport chains, protons are actively transported from the mitochondrial matrix into the intermembrane space.
Answers
Protons are actively transferred from the mitochondrial matrix into the intermembrane gap as electrons move along the electron transport chains. Option 4 is Correct.
One of the changes that takes place as electrons move along mitochondria's electron transport chains is a rise in the matrix's pH. Both photosynthesis and cellular respiration take place in mitochondria. In the former, energy is released together with the release of electrons from the breakdown of organic molecules.
In the latter, after being activated by light, the electrons join the chain, and the energy released is utilized to create carbs. At the conclusion of cellular respiration comes the electron transport chain, a network of chemical processes. This chain is found in the cell's cristae or inner mitochondrial membrane. Option 4 is Correct.
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Correct Question:
When electrons flow along the electron transport chains of mitochondria, which of the following changes occurs?
1. NAD+ is oxidized.
2. The electrons gain free energy.
3. The cytochromes phosphorylate ADP to form ATP.
4. The pH of the matrix increases.
5. ATP synthase pumps protons by active transport.
6. the pH of the matrix increases.
Which of the following is the major concern with utilizing forensic DNA testing?
O keeping Innocent people out of all
treating genetic diseases as early as possible
a violation of privacy
a violation of the law
Answers
Answer: a violation of privacy
Explanation:
A person's DNA cannot be changed as it is their genetic information. It is therefore their most private information and when it is utilized in forensic DNA testing, it runs the risk of invading a person's privacy.
Forensic DNA testing works by comparing the subject DNA with a DNA database. Using this database means going through the DNA of millions of people without their consent.
This is their most private information and it is being stored and accessed without permission. Critics say that this is a violation of privacy and many studies have showed that this is a major concern
Which statement describes the process of osmosis in an animal cell?
Answers
Answer:
Osmosis is the movement of solvent molecules from a region of high water potential to a region of low water potential.
OROsmosis is the movement of particles from a region of low concentration (of solute)to a region of high concentration through a semi permeable membrane.
What is a semi permeable membrane??This is a membrane we hich allows only certain substances to go in or out the cell.
Hope it helps mkWhat responses are generated by the nervous system when you run on a treadmill? Include an example of each type of tissue that is under nervous system control.
Answers
Eating involves perceiving food in terms of flavors and textures. This is referred to as the perceptual experience of eating. Afferent somatic neurons of the peripheral nervous system are the neurons that sense taste.
Running on a treadmill causes the skeletal muscles in the legs to contract (efferent somatic motor), the cardiac muscle in the heart to contract more (efferent autonomic motor), and the skin to produce and secrete sweat to keep cool (sweat gland activation = efferent autonomic motor, temperature sensation = afferent visceral sensory).
Your neurological system serves as the body's control system. Your behaviors, ideas, and automatic responses to your surroundings are governed by it, which is under the control of your brain. It also has control over other biological processes and functions, including digestion, breathing, and sexual development (puberty).
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How does DNA analysis help scientists better understand evolution? (1 point)
O It spells out the amino acids that make up an organism.
o It shows us what codons an organism has.
o It helps chart changes in amino acid sequences over time.
O It shows us an organism's genome sequence.
Answers
Answer: i would say number one
Explanation: DNA and the genetic code reflect the shared ancestry of life. DNA comparisons can show how related species are. Biogeography. The global distribution of organisms and the unique features of island species reflect evolution and geological change
hope this help
Answer:
It helps chart changes in amino acid sequences over time.
Explanation:
I took the qc
Which of the following is a type of lipid or composed of lipids?
All of the reponses are correct
triglycerides
plasma membrane
cholesterol
oils
Answers
The answers are all accurate. Lipids, or substances consisting of lipids, include triglycerides, plasma membranes, cholesterol, and oils.
Lipids are substances that contain lipids, such as glycerides, plasma membranes, cholesterol, and oils.
Glycerol is esterified into three fatty acid chains with distinct lengths and contents to form lipid molecules known as triglycerides. Saturated or unsaturated fatty acid chains are the two types.
The phospholipid bilayers that make up plasma membranes are lipids. Glycerol, a head with a phosphate connection, and two fatty acid tails make up a phospholipid. Hydrophobic interiors and hydrophilic exteriors characterize phospholipids.
In the blood, a lipid called cholesterol is carried by proteins called lipoproteins throughout the body.
Liquid lipids exist in the form of oils. Lipids share a similar chemical composition. They contain glycerol esters attached to fatty acids in the form of long-chain molecules.
As a result, we can conclude that every response is correct. Triglycerides, cholesterol, plasma membranes, and oils are lipids or lipid-containing compounds.
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Does spectrum have a router that keeps your browser history? If they do can you reset the router and clear the history?? Please I need to know
Answers
Spectrum doesn't keep browser history, so no need to worry
HI i would like some help asap
Answers
Answer: methionine, arginine, threonine
Explanation:
Does the pharynx of human respiratory system have cartilage and epithelium?
Answers
Answer:
There is no cartilage but there is epithelium
Explanation:
The pharynx of the human respiratory system does not contain cartilage.
The pharynx, part of the human respiratory system, is a muscular tube that connects the nasal cavity and mouth to the larynx and esophagus. It serves as a passage for air and food. The gorge is made up of several regions, each with its own distinctive features.
The nasopharynx, the top part of the throat, contains no cartilage. Instead, it is lined with pseudostratified ciliated epithelium.This special epithelium helps to trap and transport mucus along with any particles or pathogens in the digestive system for elimination.
These regions also lack cartilage but are lined with stratified squamous epithelium. This type of epithelium provides protection from mechanical stress and potential abrasion caused by the passage of food and other substances down the pharynx.
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Te enzyme trypsin aids in protein digestion in the small intestine. Te relative
activity of trypsin at diferent pH values is shown in Figure 1.
Which of the following statements best explains the activity levels of trypsin shown
in Figure 1?
(A) The small intestine releases inhibitor molecules that block the activity of
trypsin unless it is at its optimum pH.
(B) The number of efective collisions between trypsin and its substrate increase
at higher pH values.
(C) As pH values increase, the substrate concentration decreases, leading to an
eventual decline in the rate of the trypsin-catalyzed reaction.
(D) At extremely low pH values, trypsin is denatured and cannot function
efciently
Answers
The statement that best explains the activity levels of trypsin in Figure 1 is (D) At extremely low pH values, trypsin is denatured and cannot function
efficiently.
Figure 1 shows the activity levels of trypsin, a protease enzyme of small intestine, as a function of pH.
The data indicates that trypsin is most active in moderate pH ranges, between 6 and 8, where it exhibits its highest activity levels. However, as the pH values become more acidic or basic, the activity of trypsin decreases significantly.
At extremely low pH values, trypsin is denatured and cannot function efficiently. This is evidenced by the sharp drop in activity at pH levels below 4.
Therefore, the statement that best explains the activity levels of trypsin in Figure 1 is (D).
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Which statement describes how the image represents the concept of a common?
Nutrient pollution can cause algae to grow.
Wildlife is negatively affected by algal blooms.
Runoff from many farms can cause water pollution.
Regulations can prevent the pollution shown in the picture.
Answers
Answer:c
Explanation:
Water pollution is the introduction of pollutants either naturally or due to human activities. Runoff from many farms can result in water pollution.
What are the causes of water pollution?Water pollution is the contamination of water sources with some pollutants which make the water unusable for the purposes like drinking, cooking, cleaning, swimming, and other activities.
These substances can be chemicals, bacteria, parasites, etc. All sorts of pollution make go to the water directly or indirectly.
One of the prevalent sources of water pollution is runoff from many farms.
Thus, the correct option is C.
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if your good at science look at picture I need help please
Answers
Answer: Direct, indirect, ethics + aesthetics
Explanation: Direct are goods, indirect are basically the environment, ethics and aesthetics are appreciating and respecting it
The words that fill in the blanks are;
1) Direct services
2) Indirect services
3) Ethical and aesthetic services
What are ecosystem services?The advantages that individuals get from ecosystems are referred to as ecosystem services. Provisioning services, regulating services, cultural services, and supporting services are the four broad categories into which these services fall.
The goods that ecosystems produce, such as food, water, and fiber, are referred to as provisioning services. For human existence and welfare, these services are necessary.
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Which statement best describes how eukaryotic cells are able to replicate such larger amounts of DNA.
Answers
Answer:
D (I think)
Explanation:
A - No, it replicates everything
B - I think it's referring to okazaki fragments (?) which is on the lagging strand so no.
C - No, in interphase they prepare the for meiosis.
D - the only reasonable statement left
When referring to mitosis, where do the
chromosomes
form during metaphase?
A. The left of the cell's nucleus
B. The right of the cell's nucleus
C. Opposite ends of the cell
D. On the equator of the cell
Answers
Answer:
Helloooo
D. On the equator of the cell
Explanation:
thanks
Answer:
D
Explanation:
All the chromosomes line up in the middle of the cell, so that in anaphase, the spindle fibers can pull them apart.
Which of the following identifies the field of study that involves all the elements of plant structure and
metabolism that allow plants to sustain life and reproduce?
O plant systems
O photosynthesis
O agronomy
O plant evolution
Answers
The field of study that involves all the elements of plant structure and metabolism that allow plants to sustain life and reproduce is "plant systems".
What are plant systemsPlant systems is the scientific field that studies the internal and external structures of plants, their physiological processes, and their interactions with the environment. It involves the study of plant anatomy, plant physiology, plant ecology, and plant development.
Plant anatomy deals with the structure and organization of plant tissues, organs, and cells, while plant physiology studies the functions and processes that occur within the plant, such as photosynthesis, respiration, and nutrient uptake.
Plant ecology examines the relationships between plants and their environment, including interactions with other organisms, while plant development focuses on the growth and differentiation of plant cells, tissues, and organs throughout their life cycle.
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A. Plant systems
What is the field of study plant systems ?The field of study that involves all the elements of plant structure and metabolism that allow plants to sustain life and reproduce is commonly known as plant systems.
Plant systems include :
The study of plant anatomy PhysiologyBiochemistry Genetics EcologyEvolutionTherefore, The study of plant systems aims to understand how plants function at the molecular, cellular and organismal levels and how they interact with their environment. This knowledge is important for improving crop yields developing new plant-based products, and addressing global challenges such as food security and climate change.
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What might happen if water molecules didn't have a slight negative charge on one end and a slight positive charge on the other?
Answers
The polarity of water molecules is crucial to the formation and stability of cell membranes. Without this polarity, water would not be able to form hydrogen bonds, interact with polar molecules, or form stable cell membranes .
Water molecules are composed of two hydrogen atoms and one oxygen atom, and they have a slight negative charge on one end and a slight positive charge on the other.
This arrangement is due to the unequal sharing of electrons between the atoms, with the oxygen atom having a stronger pull on the electrons than the hydrogen atoms. This phenomenon is called polarity, and it is crucial to the unique properties of water.
First, water molecules would not be able to form hydrogen bonds with each other, which are crucial for many of water's unique properties. Hydrogen bonds occur between the positive and negative ends of different water molecules and give water its high boiling point, high surface tension, and the ability to dissolve many substances.
Furthermore, the polarity of water molecules is crucial to the formation and stability of cell membranes. The hydrophilic, or water-loving, heads of phospholipids are attracted to the polar water molecules, while the hydrophobic, or water-fearing, tails face away from the water.
In summary, the polarity of water molecules is crucial to many of its unique properties and is essential to many biological processes. Without this polarity, water would not be able to form hydrogen bonds, interact with polar molecules, or form stable cell membranes.
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1. Why is cell an open dynamic system?
Answers
The exchange of matter or substances between the cell and its environment is dynamic as it varies in direction and rate as per the requirements of the cell. Thus,a cell attains a stead -state wherein the internal conditions of the cell remain constant. Hence, cell is considered to be a open dynamic system
Which of the following changes in the plasma me
Answers
The change to the plasma membrane would most likely increase membrane fluidity in humans is the decreased lipid raft content (option B).
What is plasma membrane?Plasma membrane is the semipermeable membrane that surrounds the cytoplasm of a cell. Plasma membrane fluidity is a parameter describing the freedom of movement of protein and lipid constituents within the cell membrane.
The factors that affect the fluidity of the plasma membrane are as follows:
temperaturecholesterolthe kind of fatty acids in the phospholipids that form the cell membrane.An increase in the cholesterol concentration generally decreases membrane fluidity, which is why lipid rafts have a much higher concentration of cholesterol than the surrounding membrane. This means that decreasing cholesterol content would make the membrane more fluid.
The complete question is as follows;
Which of the following changes to the plasma membrane would most likely increase membrane fluidity in humans?
A) Increased saturated fatty acid content
B) Decreased lipid raft content
C) Decreased phosphatidylcholine content
D) Decreased unsaturated fatty acid content
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In order to carry out the functions of life, organism must
Answers
Answer:
Take in energy
Explanation:
Energy is need by all organism to carry out all functions of life. Energy is defined as the ability to do work.
Every organisms main goal is to find energy which they can use for all of their living processes.
For producers such as plants, they use inorganic substances from the environment to manufacture their own food. Consumers such as animals rely on the organic matter of plants and even other animals to manufacture their food for energy production. Decomposers feed on dead organisms in order to source for energy.Which explanation provides support for continental drift theory?
O Dinosaurs lived on many continents.
Coal fields match up across continents.
Tropical plant fossils were found in warm areas.
Similar rock types are found across continents.
Answers
Answer and explanation:
Among the main evidences of the theory of continental drift, we can mention the fit of the lines of the coasts of several continents, In addition to the similarity between several relief structures and rocks in different continents (such as mountain ranges found in South America and on the east coast of Africa).
There are also records of fossils of identical extinct plants, found on the African continent and also in countries like Australia, India and Brazil, for example.
Identical reptile fossils have also been found in Africa and South America, in addition to several correlations in the distribution of aquatic dinosaur fossils that lived in common areas of the ancient supercontinent.
Answer:
Similar rock types are found across continents.
Explanation:
i just know,im smart duh
Looking at the map below. predict what type of boundary is present and the resulting features of the boundary at the Philippine Plate and the Eurasian Plate
Eurasian Plate
Answers
Answer:
The answer is A - Convergent boundary resulting in earthquakes and volcanic activity
Explanation:
In map, Convergent boundary resulting in earthquakes and volcanic activity.
What do you mean by convergent boundary?A convergent boundary is an area on Earth where two or more lithospheric plates collide. One plate eventually slides beneath the other, a process known as subduction.
The subduction zone can be defined by a plane where many earthquakes occur, called the Wadati–Benioff zone. A convergent boundary is an area on Earth where two or more lithospheric plates collide.
Another form of convergent boundary is a collision where two continental plates meet head-on. Since neither plate is stronger than the other, they crumple and are pushed up.
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A particular triplet of bases in the coding strand of DNA is 5'-CGT-3! Which of
the following is the anticodon component of the tRNA that binds the mRNA
codon transcribed from this DNA?
AdGu 5
B. 3! - UGC-5
3 KGO15
0.3 AG 5
Answers
Answer:
The options to this question are incorrect.
The answer is 5'- CGU- 3'
Explanation:
DNA is the genetic material of living organisms that contains information on how to produce proteins needed for the normal functioning of the cell. This information is encoded in the nucleotide bases contained in the DNA molecule. The information is expressed via the process of transcription and translation.
Transcription is the process whereby DNA is used to synthesize a mRNA molecule. In this case, a particular triplet of bases in the coding strand of DNA is 5'-CGT-3. This undergoes transcription to give 3'- GCA- 5'.
This further undergoes translation with the aid of a tRNA, which carries the following anticodon component which is complementary to the mRNA codon: 5'- CGU- 3'.
what is the formula of pH?
Answers
Answer:
See below ~
Explanation:
The formula :
pH = -log[H⁺]Understanding :
The pH can be calculated using the logarithm value of the hydrogen ion concentration value of a substanceThis helps us to know whether the substance is acidic (pH < 7), neutral (pH = 7), or basic (pH > 7)You cross an individual with genotype XXYYZZ to an individual with genotype xxyyzz, and F1 progeny are collected. Assume interference between regions (X-Y and Y-Z) is 100%. When an F1 individual produces gametes, what proportion of its gametes would have xyz genotype
Answers
In the first cross one of the parent has only dominant allele and one has only recessive allele that means the offspring in F1 will be 100% heterozygous
XxYyZz
the gametes resulted from this individual are
XYZ XYz XyZ Xyz xYZ xYz xyZ xyz
it produces 8 types of gamets one of which is xyz the proportion is 1/8
what fitness level is most likely produced in genotype graph shown below
Answers
Answer:
sorry
Explanation:
sorry i dont know sorry for that
Cross a YyLl (heterozygous parent with dominant traits) with yyll (homozygous parent with recessive traits). Look at the number of genotypes of the F1 generation:
YyLl: 400
Yyll: 100
yyLl: 100
yyll: 400
1. Which offspring are the recombinant offspring in this cross?
Answers
The parents here are YyLl (heterozygous parent with dominant traits) with yyll (homozygous parent with recessive traits). The recombinant species are yyLl: 100 and Yyll: 100.
What is the dominant and recessive genotype ?The genetic expression that expresses itself are the genetic traits that get expressed in the individual whereas the one that do not are called as recessive genotype.
Here, YyLl is the heterozygous dominant species where Y represents the dominant trait over y and T represents the dominant trait over t. The traits are presented both as dominant and the recessive parents is yytt.
Recombinant species will show traits that are both mixed where the heterozygous dominant and the recessive traits gene will express itself and these are Yyll: 100 and yyLl: 100.
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What is the function of the digestive system?
A. Removal of liquid waste
B. Maintain body temperature and hormone levels
C. Delivers food to your brain
D. Changes food into minerals and nutrients that are absorbed into
bloodstream
Answers
2. During which phase would the cell undergo anaphase? *
A. Phase A
B. Phase B
C Phase C
D. Phase D
Answers
Anaphase occurs during the M phase (mitosis) of the cell cycle and is not represented by any of the provided options (A, B, C, or D).
Anaphase is a critical stage in cell division, specifically in mitosis or meiosis. It occurs after metaphase and before telophase. During anaphase, the sister chromatids, which are replicated chromosomes held together by a centromere, separate and move towards opposite ends of the cell.In the context of the cell cycle, anaphase takes place during mitosis. The cell cycle consists of four phases: G1 (gap 1), S (synthesis), G2 (gap 2), and M (mitosis). Mitosis is the M phase, which further consists of four stages: prophase, metaphase, anaphase, and telophase.Therefore, the correct answer is not provided in the given options. Anaphase occurs during the M phase or mitosis and is not associated with any specific phase (A, B, C, or D) mentioned in the question.
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Is there DNA in oreos?
Answers
Answer:yes
Explanation: