Answer:humans have 46 chromosomes (male and female)
Explanation:
If an organelle is selectively
permeable what can we
infer about its function?
A. The organelle allows molecules to
pass through easily.
B. The organelle doesn't allow any
molecules to pass through.
C. The organelle. allows some
molecules to pass through.
D. The organelle allows large
molecules to pass through easily.
the correct answer there is C.
Which of the following is linked to an increase in brain size and intelligence in hominids?
options:
Increased social interactions
Development of more complex and tools and language
Decreased use of tools and language
Increased speed and strength
Answer: b
Explanation: I took the test
Answer:
Development of more complex and tools and language
Explanation:
I took the test
Can anyone eXpLaiN what competition, mutualism, parasitism? Please and thank you. <3
Answer:
parasitism is when one animal harms another like a parasite. for example mosquitos and humans have a parasitism relationship because mosquitos harm humans. in total parasitism means the relationship in which one benefits and the other is harmed. mutualism is when both benefit and no on is harmed. an example of mutualism is when oxpecker (a kind of bird) eats the bugs off of a rhino, the rhino gets pest control and the bird gets food. and competition is the relationship between organisms that need and search for the same resources in the same place. for example predators of different species search for the same prey.
i hope this helped!!
Explanation:
in total parasitism means the relationship in which one benefits and the other is harmed
mutualism is when both benefit and no on is harmed.
competition is the relationship between organisms that need and search for the same resources in the same place
the double standard that men can be more sexually competent than women
all of the above
The double standard that men can be more sexually competent than women is a pervasive societal belief that reinforces gender inequality. This belief asserts that men are naturally more skilled and experienced in sexual matters, while women are expected to be passive and inexperienced.
This double standard has been perpetuated by popular culture, religious beliefs, and social norms, among other things. There are many negative consequences of the double standard that men can be more sexually competent than women. Women who do not conform to these expectations may be labeled as promiscuous or immoral, while men who do conform may be praised as studs or players. This reinforces harmful gender stereotypes and undermines women's autonomy and sexual agency.
Moreover, the belief that men are more sexually competent than women is not supported by scientific evidence. Sexual competence is not determined by gender, but rather by a combination of factors such as experience, communication skills, and emotional intelligence. Therefore, it is important to challenge and dismantle this double standard and promote a more inclusive and equitable view of sexuality.
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The type of fossil fuel made from the remains of ancient plants that lived millions of years ago is A. peat B. coal C. oil D. natural gas E. synfuel
Answer is B coal
Explanation:
thank you
What's the dense connective tissue that surrounds most organs called?
Answer:
Bone.
Explanation:
Bone is the hardest connective tissue. It provides protection to internal organs and supports the body. Bone's rigid extracellular matrix contains mostly collagen fibers embedded in a mineralized ground substance containing hydroxyapatite, a form of calcium phosphate.
What does a baseball player do in a game if he hits for the cycle?
When a baseball player hits for a cycle, he hits one of each type of possible hit within the same game. He may hit a single, double, triple, or home run.
When a player hits all four titles in the same game, they have to hit a single, a double, a triple, and also a home run in the same game. Order is not a matter, and they can complete this in any order.
There are many types of the cycle. These are the natural, reverse, and homerun cycles. One needs to accomplish in order to gain these titles. or they may need certain hits all in one game.
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Burning oil and coal adds ______ to the atmosphere.
Answer:
carbon dioxide
Explanation:
because when these things burn they produce many harmful gases which harm the environment and cause pollution
A tumor in a male patient is preventing the anterior pituitary from secreting LH. What effect will this have on his sperm production
Answer:
He will have a decreased amount of testosterone and in turn a reduction in sperm production.
Which one is correct?
Answer:
I would think that C is the answer
Explanation:
Pls help assignment do soon (30 points)
Some mutations, or changes in the sequence of DNA, do not have any effect on the characteristics of the organism. Why is this?
A. The protein built from this mutated sequence is deactivated by the cell.
B. The cell recognizes mutations and ignores them when expressing the gene.
C. The mutated sequence still codes for the same amino acid.
D. The immune system repairs the mutated sequence during development.
Answer:
C
Explanation:
This type of mutation is called a silent mutation. Despite a nucleotide in the codon being changed, the original codon and the mutated codon still code for the same amino acid. This results in no observable effect on the characteristics of the organism.
Carbohydrates info
A. AKA:
B. Composed of:
C. Monomer:
D. Polymer:
E. Functions:
Which molecule can be classified as saturated or unsaturated? *
a) carbohydrate
b) protein
c) lipid
d) nucleic acid
Answer:be careful for anonumas1
Explanation:
5 internal and external ways to help your skin please will mark brainliest
Proteins are an example of a biological macromolecule. The structure of a biological macromolecule affects its function.
Identify the type of chemical bond that links amino acids in proteins. Describe the four levels of the protein structure.
Explain how changes in the structure can affect the function.
A protein is any of numerous large, complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds.
There are four levels of the protein structure and are as follows:
Primary structure describes the unique order in which amino acids are linked together to form a proteinSecondary structure refers to the coiling or folding of a polypeptide chain that gives the protein its 3-D shape. Tertiary structure refers to the comprehensive 3-D structure of the polypeptide chain of a protein.Quaternary structure refers to the structure of a protein macromolecule formed by interactions between multiple polypeptide chains.Learn more about proteins at: https://brainly.com/question/14652022
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Which factor affects the amount of runoff that occurs in an area?
Answer:
Vegetative cover and type of soil.
Explanation:
Vegetative cover and type of soil are the factors that affects the amount of runoff that occurs in an area. Vegetative cover reduce the amount of runoff because it makes the soil porous which absorb more amount of water inside the soil while on the other hand, type of soil also affects the runoff such as sandy soil absorb most of the runoff water and sometimes no water is available for runoff.
Answer:
d
Explanation:
Is domestication the process where animals are trained to do tricks useful for human needs?
Answer:
Not exactly, Domestication is the process of adapting wild plants and animals for human use.
Explanation:
domestication is not the process where animals are trained to do tricks useful for human needs instead it is the process of adapting wild plants and animals for human use.
Animals AND PLANTS use cellular respiration to create energy from sugar?
A. True
B. False
Animals AND PLANTS use cellular respiration to create energy from sugar?
A. True
B. False
Very good question you have here!, i shall have no problem solving it however. ^v^!!!Cellular respiration: The process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
With this being said the answer is: TRUE!Both animals and plants use cellular respiration. I apologize if i'm wrong// you're welcome if i'm correct.((-Side Note-)): If you don't mind, if my answer is correct can you pls mark my answer brainliest? Thank you
I hope you have a great day ^v^"А (blank)
is a chemical substance that organisms require to live.
Answer:
Nutrient
Explanation:
Nutrients are compounds in foods which are essential to life and health of living organisms, providing them with energy. They are the building blocks for repair and growth and substances necessary to regulate chemical processes. There are six major nutrients:
Carbohydrates,Lipids (fats),Proteins,Vitamins,Minerals,Water.If the cell were a city, which organelle would be a factory?
A-nucleus
B- endoplasmic reticulum
C-cell membrane
D-vacuole
Answer:
Introduction
Job in the Factory Cell Organelle
Factory floor Cytoplasm
Assembly line (where workers do their work) Endoplasmic Reticulum (ER)
Workers in the assembly line Ribosomes
Finishing/packaging department Golgi apparatus
Explanation:
i hope you understand
Answer:
Endoplasmic reticulum
Explanation:
The endoplasmic reticulum is responsible for the making, folding, modification and transport of proteins.
Use the diagrams on the Website to answer this question. Two people are carriers of CF. If they conceive a child
what is the percentage chance that the child will have CF?
Select one:
a. 3 in 4 (75%)
b. 2 in 4 (50%)
c. 1 in 4 (25%)
d. 0%
Answer:
the answer is d I think but I'm not sure
Explanation:
i need sleep help me out
One cell, which performs all of the processes required by the organism, makes up a unicellular organism.
The correct option is (a) performs all of the function
Explain features of unicellular organisms?A single cell makes up a unicellular creature, also referred to as a single-celled organism, as opposed to a multicellular organism, which is made up of numerous cells. Prokaryotic and eukaryotic organisms are the two broad categories into which all organisms fall. Bacteria and archaea are two divisions of unicellular prokaryotes. While most eukaryotes have many cells, others do not, including protozoa, single-celled algae, and single-celled fungi. The earliest known forms of life are believed to be unicellular organisms, with the emergence of early protocells possible between 3.8 and 4.0 billion years ago. While certain prokaryotes are specialized cells with unique tasks, they do not always live in colonies. Together, these organisms must carry out all necessary life activities for each cell to survive.Learn more about the Unicellular organism with the help of the given link:
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1. MAINIDEA Describe how cyclins control the cell cycle.
is
Explanation:
They drive the events of the cell cycle by partnering with a family of enzymes called the cyclin dependent kinases (cdk). A cdk is inactive, the binding of a cyclin activates it, making a funcyional enzyme.
to compete successfully with others, the microbe will not waste energy making unneeded proteins.
Microbes have the ability to regulate the expression of genes to conserve energy and resources required for their survival. They do not produce any unnecessary proteins to save their energy for growth, reproduction, and defense.
Thus, to compete successfully with others, microbes will not waste energy making unneeded proteins. They have evolved a number of regulatory mechanisms for protein synthesis that ensure the production of the right protein at the right time under the right conditions. Microbial cells have a number of feedback mechanisms that control the production of proteins. For example, when a particular protein is not needed, the gene that codes for it may be turned off, which decreases the synthesis of the protein. When the protein is required again, the gene will be turned on, and the protein will be synthesized again.
Another way microbes conserve energy is through the use of operons. Operons are groups of genes that are involved in the production of a specific protein or set of proteins. These genes are located together on the chromosome and are regulated by a single promoter region. When the protein is needed, the operon is turned on, and all the genes involved in its production are transcribed and translated. When the protein is no longer needed, the operon is turned off, and transcription and translation are stopped.
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You have packed cells in the bottom of a tube at a density of 1*10^10 cells/mL. What is the approximate volume of each cell?
The approximate volume of each cell is \(10^-10\) L/cell or \(10^-7\) mL/cell. The volume of each cell can be estimated by dividing the volume of the tube by the number of cells present.
If the density of the packed cells is \(1*10^10\) cells/mL, and the volume of the tube is V (in mL), then the number of cells in the tube is given by:
N = density * V =\(1 * 10^10\) * V .
The volume of each cell can then be estimated as the total volume of the tube divided by the number of cells:
Volume of each cell = V / N
= V / (\(1 * 10^10\)* V)
= 1 / (\(1 * 10^10\))
= 1 / \(10^10\)
=\(10^-10\) L/cell
or \(10^-7\) mL/cell. This is an approximation, and the actual volume of each cell may vary slightly depending on the size and shape of the cells and other factors.
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One percent may not sound like much, but it's still some (answer) of D.N.A.'s chemical letters: As, Ts, Cs and Gs.
One percent may not sound like much, but it's still some 30 million of D.N.A.'s chemical letters: As, Ts, Cs, and Gs.
One percent may not sound like much, but when it comes to the chemical letters that make up DNA, it can still be a significant amount. As, Ts, Cs, and Gs are the building blocks of DNA, and any change in their sequence can have a profound impact on an organism's characteristics and traits.
For example, mutations in DNA can cause genetic disorders or predispose individuals to certain diseases. The human genome consists of approximately 3 billion base pairs, and a 1% difference between individuals would mean a difference of 30 million base pairs. This may seem like a lot, but it's important to note that only a small fraction of these base pairs actually code for proteins.
Furthermore, even small variations in DNA can have significant effects on an organism's biology. For instance, a single nucleotide polymorphism (SNP) can affect gene expression, protein function, and ultimately, an organism's phenotype. SNPs are common variations in DNA, with millions occurring in the human genome.
In summary, while 1% may seem like a small percentage, it can still represent millions of chemical letters in DNA. Even small variations in DNA can have significant effects on an organism's biology, highlighting the importance of understanding genetic variation and its impact on health and disease.
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Ravi was asked by her boss Bob to deliver an order to a customer using the company van. Bob was hesitant to use Ravi as a delivery person because although Ravi has never had a car accident before she has a reputation amongst her friends and work colleagues for driving fast and getting speeding tickets in her own car. Ravi insisted she would be careful, and Bob knew that the customer really needed the order. Ravi drove carefully and dropped off the products to the customers warehouse. Eager to return the van, she sped as much as 25km over the speed limit on her way to deliver the van back the office. While rounding a curve, she lost control of the van, which tumbled off the road and down a hill, crashing into a tree. lan happened to witness the incident. He stopped his car at the top of the hill and ran down to help. Unfortunately, in his rush to help, he did not put the hand break on in his car and it also rolled down the hill and hit a shed. Ravi emerged from the van dazed but without a scratch. The van and lan's car, however, were severely damaged. lan's car was unable to be repaired and he had to buy a new vehicle. lan had been about to start a new his new home construction business and the delay in getting a suitable vehicle meant that it took an extra 3 months to get the business off the ground. Required 1) Using the law of Negligence explain who the Duty of Care is owed to by: () a) Ravi b) Bob c) lan
Negligence is a legal term used to describe careless behavior that causes damage to another person. The law of Negligence is used to establish whether a person is liable for injuries caused by their actions or omissions.
A duty of care is a legal responsibility that one person or organization has to another person or organization. The concept of a duty of care is central to the law of negligence. In this case, the duty of care is owed by Ravi, Bob, and Lan: RaviThe Duty of Care is owed by Ravi, who was driving the company van. Ravi owed a duty of care to her employer, Bob, and her colleagues, as well as to other road users. Ravi had a duty to drive safely and avoid causing injury or damage to others or their property.
Ravi was negligent when she drove the van at high speed and lost control of the vehicle, causing it to crash. Her negligence resulted in damage to the van, as well as damage to Lan's car. Bob Bob also had a duty of care, as he is Ravi's employer. Bob was responsible for ensuring that Ravi was fit to drive the company van and that she had the necessary skills and experience to operate the vehicle safely. Bob was also responsible for ensuring that the van was in good condition and roadworthy. Bob was negligent when he allowed Ravi to drive the van, knowing that she had a reputation for speeding and driving recklessly.
He could have assigned the delivery to another driver who had a good driving record. LanLan is not liable for any damage caused to Ravi's van as he was not responsible for driving it. However, he was owed a duty of care by Ravi when she caused damage to his car. Ravi's negligent driving resulted in the destruction of the man's car, which had to be replaced. As a result of the accident, Lan was delayed in starting his new home construction business, which caused him to incur a loss. Ravi was responsible for the losses suffered by Lan, and she could be sued for damages caused by her negligence.
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Bio mass requires a lot of space, is this an advantage or disadvantage?
Answer:
i think disadvantage
Explanation:
explain why the mango slices swell up when placed in water
Answer:
Mango slices, like many fruits, are made up of cells that are surrounded by a selectively permeable membrane. This means that some molecules can pass through the membrane while others cannot.
When mango slices are placed in water, the concentration of water molecules outside the cells is higher than the concentration of water molecules inside the cells. This creates a concentration gradient, and water molecules move from the area of higher concentration (outside the cells) to the area of lower concentration (inside the cells) through a process called osmosis.
As the water molecules move into the cells, the cells become filled with water and begin to swell up. This is because the cell membrane is flexible and can expand to accommodate the extra water. The process continues until the concentration of water molecules inside and outside the cells is equalized, at which point the cells stop swelling.
In some cases, the swelling of fruit cells can cause the fruit to become softer or even burst open. This is why some fruits, such as watermelon and cucumbers, are often salted before being eaten - the salt draws water out of the cells and helps to prevent them from bursting.
calculate the probability of pulling a blue tile from each of two bags identical to those in model 2. show a mathematical equation to support your answer
The probability of pulling a blue tile from each of two bags identical to those in Model 2 is 25/144, or approximately 0.1736.
What are some instances of probability calculations?For instance, if 4 of 20 marbles in a bag of marbles are blue and you're attempting to determine the likelihood of drawing a blue marble, you would divide 4 (the number of blue marbles, or your desired outcome) by 20. (the total number of outcomes).
The likelihood that both occurrences will occur may be determined using the probability multiplication rule:
P1 ∩ P2 = P1 x P2
We can determine the likelihood of drawing a blue tile from one bag using the data from Model 2 by doing the following calculation:
P1 = number of blue tiles in one bag / total number of tiles in one bag
P1 = 5 / 12
As a result, there is a 5/12 chance of drawing a blue tile from the first bag.
Given that the bags are similar, the chance of drawing a blue tile from the second bag is equally 5/12.
We can determine the likelihood of drawing a blue tile from both bags by applying the multiplication rule as follows:
P1 ∩ P2 = P1 x P2
P1 ∩ P2 = (5/12) x (5/12)
P1 ∩ P2 = 25/144
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