Atom A has one less proton and one more neutron than Atom B, as the mass number is the same but the atomic number differs by one. Hence, option B is correct.
The correct statement about Atom A with an atomic number of 19 and mass number of 40, and Atom B with an atomic number of 20 and a mass number of 40, is that Atom A has one less proton and one more neutron than Atom B. This is because the atomic number indicates the number of protons and the mass number is the sum of protons and neutrons. Since Atom A and Atom B have the same mass number but different atomic numbers, it can be deduced that Atom A must have one less proton and consequently one more neutron than Atom B in order to maintain the same mass number of 40.
What's the difference in prokaryotic and eukaryotic cells in its chromosomes and nucleus?
Someone who acts in a subservient capacity might be
Bacteria may become resistant to overused antibiotics. Selective environmental pressures may allow the resistant bacteria to thrive. How do these bacteria replicate and transfer the resistance?
engulfing cellular DNA by neighboring cells
replicating cells by cleavage
gene transfer
transferring genetic information by meiosis
Why is it important to know whether or not bacterial cells possess capsules flagella and endospores?
Final answer:
Knowing the presence of capsules, flagella, and endospores in bacterial cells is important for understanding bacterial survival and interactions with the environment, as well as developing strategies to control bacterial infections.
Explanation:
Knowing whether or not bacterial cells possess capsules, flagella, and endospores is important because these structures have various functions and play key roles in bacterial survival and interactions with the environment.
The capsule is a protective layer that enables bacteria to attach to surfaces and evade the immune system. Flagella allow bacteria to move and navigate their surroundings. Endospores are dormant structures formed by some bacteria to survive harsh conditions such as extreme temperatures and lack of nutrients.
Understanding these structures helps in identifying and classifying bacteria, as well as developing strategies to control bacterial infections.
A pulmonary embolism can cause __________ oxygen in the blood, which can cause atp production in cells to __________.
The muscle "burn" that you feel when doing strenuous activity (sprints for example) is caused by a buildup of lactic acid in the muscle tissue of your body. explain this phenomenon in the context of cellular respiration and fermentation.
how do diseases of the circulatory and respiratory systems affect an organism's ability to maintain homeostasis
In regard to the kidneys' role in regulating water balance in the body, the term reabsorption means the amount of the substance that is
What are the products of cytokinesis during mitosis? question 20 options:?
In an adversarial system, the winning side is likely to be
Answer:
Judicial Branch
Explanation:
the one with the more skilled attorney
By the end of the third month of pregnancy, the developing human organism has the ability to:
How does temperature affect the rate of diffusion?
Answer: higher the temp the faster the molecules move
Explanation: Hopes this helps
what is the relationship between the brain, the mind, and consciousness?
a. they function as mutually exclusive entities.
b. the brain falls under the umbrella of the mind; the mind falls under the umbrella of consciousness.
c. consciousness falls under the umbrella of the mind; the mind falls under the umbrella of the brain.
d. they are equal and interdependent entities.
Tomas is continually tense and plagued by muscle tension, sleeplessness, and an inability to concentrate. he most likely suffers from _____ disorder.
Jet lag occurs when a person moves rapidly from one time zone to another, causing conflict between the body's biological rhythm and the new cycle of light and dark. some scientists suspect that jet lag may result from disruption of the daily cycle of secretion of the hormone known as _____.
The jetlag may result from disruption of the daily cycle of secretion of the hormone known as melatonin. This is a hormone in which is produced or made by the pineal gland, they are the one responsible of having to control a person’s wake cycles and their sleep in which in jetlag, can disrupt this hormone causing a disruption with the body clock of the individual.
While performing a physical assessment of a female client, a nurse notices hair on the client's upper lip, chin, and cheeks. which condition may result in this condition?
DNA and RNA differ in all BUT one of the following ways.
Question 2 options:
DNA is double-stranded, while RNA is single stranded.
RNA uses the sugar ribose in its backbone, while DNA uses deoxyribose.
DNA contains the base uracil, while RNA contains the base thymine instead.
DNA is found in chromosomes in the nucleus, while RNA can move around the cell.
Which of these is a vitamin a precursor?
How are ecosystem in the deep sea different from ecosystem in shallow ocean water?
Shallow water – Some tiny fish and coral only live in the shallow waters close to land. While Deep water – Big and even gigantic creatures can live deep in the waters of the oceans. Some of the strangest creatures in the world live right at the bottom of the sea. Ocean ecosystems are relatively contained, although they, like freshwater ecosystems, also include certain birds that hunt for fish and insects close to the ocean’s surface. There are different sorts of ocean ecosystems.
When the body stops producing enough new blood cells, the risk for infections and uncontrolled bleeding increases. what is the designation of this condition?
Which cell lacks a nucleus
Prokaryotic cell lack nucleus.
What are the characteristic features of prokaryotic cell ?These are most ancient single-celled microorganisms such as Bacteria and Archaea.
Some of the photosynthetic prokaryotes include cyanobacteria that perform photosynthesis.
They lack a nuclear membrane, true nucleus, nuclear organelle which are generally seen in eukaryotic cell.
Other organelles like Mitochondria, Golgi bodies, chloroplast, and lysosomes are absent.
The genetic material is present in prokaryotes but in a single chromosome, it lacks histone protein.
The cell wall is like plant cell wall composed of carbohydrates and amino acids.
The plasma membrane is semipermeable in nature also have respiratory enzymes involve in cellular respiration.
prokaryotes divide asexually mainly by binary fission, some time sexually reproduce called conjugation.
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Because she is so active, cardiovascular fitness is important to Vicky. She learns that hemoglobin is an important globular protein molecule in red blood cells that carries oxygen, and that adequate dietary protein and the mineral _____ are needed for her body to build enough hemoglobin.
The answer is Iron, this is the important mineral that she needs to obtain as this will help her in her ways to cardiovascular fitness as this mineral helps the hemoglobin to build in her body and for her t be able to get enough nutrients.
BIOLOGY HELP
PLEASE
1. Which of the following is a true statement?
a.) Fats contain half the amount of energy than carbohydrates because they have less bonds.
b.) Carbohydrates contain more energy than lipids because their bonds release more energy when broken.
c.) Lipid contains more energy than carbohydrates because they contain more carbon to hydrogen bonds to release energy when broken.
d.) Lipids contain more energy than carbohydrates because they do not contain bonds.
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2. You just visited your doctor and he suggested you are at risk for heart disease. Which type of lipid should you avoid eating large amounts of?
a.) Carbohydrates
b.) Saturated
c.) Unsaturated
d.) Oils
What do protists lack that probably makes them so diverse?
When biologists use keys to systematically separate groups of organisms based on couplets, or pairs of characteristics, what is the term for the type of key used?
What is a scientist called who observes animals in order to explain their behavior?
Sociobiologist is the answer
Which of these would darwin not agree with: evolution via natural selection requires long amounts of time the idea that individuals striving to survive leads to better adapted species significant weight should be given to geology and fossils as evidence of evolution common ancestry for all of life?
When cars age or are poorly maintained they tend to leak oil onto roadways and parking lot they saw oil is washed into the nearest Waterway with the next rainfall what type of water pollution does this cause
Some sources of toxic chemicals include improperly drained wastewater from industrial plants and chemical process facilities which can cause Toxic type of Water pollution.
What is Water pollution?Water pollution is defined as the contamination of water bodies that is a result of human activities, so that it negatively affects its use. Water bodies include lakes, rivers, oceans, aquifers, reservoirs, and groundwater where pollution occurs when pollutants are introduced into these water bodies.
Things like toxic chemicals that include surface runoff from industrial plants and chemical process facilities containing lead, mercury, chromium as well as pesticides used on agricultural fields and suburban lawns (chlordane, dididrin, heptachlor) causes the toxic water pollution.
Thus, some sources of toxic chemicals include improperly drained wastewater from industrial plants and chemical process facilities which can cause Toxic type of Water pollution.
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The correct option is A i.e. Toxic.
Oil leaks from cars contribute to non-point source pollution, which contaminates waterways with toxic substances. This can harm aquatic ecosystems and degrade water quality.
When cars age or are poorly maintained, they can leak oil onto roadways and parking lots. This oil is washed into the nearest waterway with rainfall, causing a type of pollution known as non-point source pollution. Non-point source pollution occurs when contaminants such as oil, gasoline, and other automotive fluids are washed off surfaces by rainwater and flow into water bodies like rivers, lakes, and oceans.This type of pollution is harmful because it can introduce toxic substances into aquatic ecosystems, affecting the health of both the environment and human populations. Key contaminants from road runoff include not only oil and gas but also metals and organic waste, all of which can degrade water quality and impact water treatment facilities. To address this issue, it is important to properly dispose of motor oil and other chemicals, fix leaking vehicles promptly, and use fewer chemicals in other land-based activities. By taking these steps, we can reduce the contamination of our water supplies and protect the environment.The complete question is:
When cars age or are poorly maintained, they tend to leak oil onto roadways and parking lots. This oil is washed into the nearest waterway with the next rainfall. What type of water pollution does this cause?
A. Toxic
B. Sediment
C. Nutrient
D. Bacterial
Draw a chart mapping out all aquatic ecosystems and how they interact amongst one another
What conditions account for the development of highly diverse habitats in coastal waters?