Answers
Answer:
A
Explanation:
Related Questions
I need helppp!!!!!!!!
Answers
Answer:
B - 6 picograms
Explanation:
When a cell divides mitotically, the end result is 2 identical daughter cells. With that being said, the cell that is produced will also have the same amount of DNA and, therefore, the same DNA mass of 6 picograms.
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which of the following statements about genetics is true? genes are proteins that produce dna. each dna molecule is a single strand of nucleotides. dna is made up of six different kinds of nucleotides. differences among organisms reflect different nucleotide sequences in their dna.
Answers
Answer:
I think its D
Explanation:
These plants have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. There is one type of spore, and the gametophyte generation grows outside of the spore wall. Which plant or plants am I describing? (SELECT ALL THAT APPLY) 000000000 Ferns Cycads Selaginella Lycopodium Conifers Ginkgo Hornworts Mosses Angiosperms 3 pts Liverworts
Answers
The correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
The plants that fit the given description are:
Ferns: Ferns have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Ferns produce one type of spore, and the gametophyte generation grows outside of the spore wall.Horworts: Hornworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Hornworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Mosses: Mosses have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Mosses produce one type of spore, and the gametophyte generation grows outside of the spore wall.Liverworts: Liverworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Liverworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Therefore, the correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
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Put these terms in order from smallest to largest
Tissues
Organs
Organ System
Organism
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in the lactose operon of e. coli, the crp-camp complex is a(n) _____ of transcription.
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In the lactose operon of e. coli, the crp-camp complex is 1/2 of transcription.
Catabolite activator protein ( CAP; otherwise called cAMP receptor protein, CRP) is an executing transcriptional activator that exists as a homodimer in arrangement. Every subunit of CAP is made out of a ligand - restricting space at the N-end (CAP N, buildups 1-138) and a DNA-restricting space at the C-end (DBD, deposits 139-209).
In the lactose operon of Escherichia coli, the last focuses of glucose are the lac repressor and the positive controller, the complex of cAMP receptor protein (CRP) and cAMP. To begin with, glucose forestalls the section of inducer into the cell, bringing about an expansion in the centralization of the without inducer lac repressor.
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Large volcanic eruptions can sometimes lead to a decrease in the
amount of life on Earth. Please describe how volcanic discharge can lead
to this decrease in biodiversity. (Hint: What does a Volcano erupting do to
the area surrounding it? Kills plant and animal life?)
answer ASAP please
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Answer:
Plants are destroyed over a wide area, during an eruption . ... Aquatic life can be affected by an increase in acidity, increased turbidity, change in temperature, ...
Explanation:
hopefully its right!
Have you ever considered air pollution when thinking about someplace you'd like to live, or live currently?
If the air pollution here in Killeen was as bad as in other cities, what would you do? Why do you think the people in those cities don't leave?
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Answer:
I would come up with a plan to help decrease pollution and be like: "Ey if you want to live in (insert city) Then we can make this city like that."
Explanation:
Which plants have a taproot system? Choose all that apply.
corn
carrots
wheat
dandelions
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Why is energy recycling in living systems important?
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Answer:
All living organisms need energy to grow and reproduce, maintain their structures, and respond to their environments. Metabolism is the set of life-sustaining chemical processes that enables organisms transform the chemical energy stored in molecules into energy that can be used for cellular processes Please mark it the brainliest
Explanation:
The roots growing down is an example of _______________
A. positive geotropism
B. negative geotropism
C. Phototropism
D. Thigmotropism
Answers
Answer:
positive geotropism
Explanation:
The answer is positive geotropism
How does the amount of nitrogen in inhaled air compare to the amount of nitrogen in exhaled air?
A. There is no nitrogen in either
OB. The nitrogen stays the same in both
C. There is more nitrogen in exhaled ait:
D. There is less nitrogen in exhaled air
Answers
Answer:
from my understanding your body doesn't do anything with the nitrogen so the answere would be B
Killing pathogens and then using them to provide the body with active immunity is called ______. This is often done in young children.
When the immune system treats otherwise harmless substances, such as pollen, as if they were invaders, a/n ______ can occur.
HIV is a virus that attacks ______ in the body, weakening the immune system.
Polio used to be fairly common and devastating. Thanks to widespread vaccination against polio, the disease is now considered _______, no longer infecting nearly as many people as it once did.
Arthritis is an example of a/n _______, where part of a person’s body is identified as foreign and attacked by the person’s immune system.
Respond to the following based on your reading.
Colonization is largely blamed for bringing smallpox to the Americas. Why was this disease so devastating to Native Americans? Why can we now travel to different parts of the world and avoid contracting analogous diseases?
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Answer:
Killing pathogens and then using them to provide the body with active immunity is called IMMUNIZATION . This is often done in young children.
When the immune system treats otherwise harmless substances, such as pollen, as if they were invaders, a/n ALLERGY can occur.
HIV is a virus that attacks WHITE BLOOD CELLS in the body, weakening the immune system.
Polio used to be fairly common and devastating. Thanks to widespread vaccination against polio, the disease is now considered ABSENT, no longer infecting nearly as many people as it once did.
Arthritis is an example of a/n AUTOIMMUNE DISORDER where part of a person’s body is identified as foreign and attacked by the person’s immune system.
Immunization helps involves the injection of dead pathogens into the bloodstream. This helps in the release of antibodies which helps in protecting the body against further attacks in the future.
Allergy happens as a result of the body system treating and attacking harmless substances.
This is because the ships which brought immigrants into the country had someone who had small pox on board which spread and many got infected and killed due to lack of vaccine and treatment.
Immunization helps people to travel without having to worry about diseases.
Answer:
vaccination
allergic reaction
t-cells
eradicated
autoimmune disease
Europeans had been exposed to the virus that causes smallpox for many generations, allowing them to acquire immunity to the virus. Native Americans were not exposed to smallpox or similar viruses before, so they had no immunity to the virus. In modern times, before traveling abroad, a person often receives vaccinations or other medications to avoid contracting the diseases specific to that region of the world.
Explanation:
A. In the samples with intact DNA, no S strain Bacteria were found
B. Living S cells did not appear in samples that still had intact RNA
C. The samples with destroyed DNA did not produce living S strain bacteria
D. Living S cells appeared only in the samples with destroyed proteins
Answers
The results of Avery's experiment show that DNA transfers heritable information is the samples with destroyed DNA did not produce living S-strain bacteria.
The correct option is C.
What is the role of DNA in living organisms?The role of DNA in living organisms is that DNA contains the instructions required for a creature to grow, endure, and procreate.
DNA sequences need to be translated into messages that can be utilized to make proteins, which are the intricate molecules that carry out the majority of the work in our bodies, in order to perform these activities.
Since DNA transfers heritable information, bacteria cells with their DNA destroyed will not produce S-strain bacteria in the experiment.
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Answer:
jwwjns
Explanation:
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OA. Pill bugs, crickets, and grass
OB. Flies, crickets, and marigolds
C. Grass, pill bugs, and marigolds
D. Pill bugs, crickets, and flies
Answers
An isopod, often known as a terrestrial crustacean, is a type of non-insect arthropod and is the scientific name for the pillbug, Armadillidium vulgare (Latreille).
What other names are given to pill bugs?When I was a child, I named them pill bugs, while other people called them potato bugs. They may also go by the names tomato bugs, sow bugs, wood bugs, armadillo bugs, doodle bugs, roly-polies, carpenters, or boat builders in the United States and Canada.
Do pill bugs pose a threat?There are no known risks that pill bugs bring to people. They don't spread disease or taint food. Due to its propensity to roll into a ball when disturbed, it is frequently referred to as a roly-poly.
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how would the absolute refractory period be affected if voltage-regulated sodium channels failed to inactivate?
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If voltage-regulated sodium channels fail to inactivate, the neuron would remain depolarized for a longer period, preventing another action potential from being generated. This would lengthen the absolute refractory period.
If voltage-regulated sodium channels failed to inactivate, the absolute refractory period would be prolonged. The absolute refractory period is the period after an action potential when no additional action potential can be produced in a neuron regardless of the strength of the stimulus.
Sodium ions are involved in the generation of action potentials. Sodium channels allow the influx of sodium ions, which depolarize the neuron and generate an action potential. The sodium channels that are voltage-regulated open when the membrane potential reaches a certain level and then inactivate when the membrane potential becomes more positive.
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Draw a food web for the ecosystem, and discuss the flow of mass and energy through the food chain.
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Energy flow can also be interpreted as the separation of energy from one trophic level to the next. In the closing process, there is always a withdrawal of the amount of energy through each trophic level of eating-consuming.
The process of energy flow from plants to humans or animals can occur in the food chain or the biomass pyramid.
Plants as primary producers are located at the first trophic level. Then at the second trophic level, there are herbivorous animals that eat plants. Predators that eat herbivores are the third trophic level group, and if there are or are present even larger predators, they will represent an even higher trophic level.
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What do stem cells do
Answers
Answer:
Stem cells are the body's raw materials — cells from which all other cells with specialized functions are generated. Under the right conditions in the body or a laboratory, stem cells divide to form more cells called daughter cells. No other cell in the body has the natural ability to generate new cell types.
Explanation:
Answer:
Stem cells are the cells from which all other cells with specialized functions are generated.
Explanation:
A human gene was insterted into a plasmid and then produced by a bacterium. Unfortunately, the human protein was not functional. Explain what may have gone wrong.
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This gene contains introns, which bacteria do not. If we directly cloned the gene, the bacteria would produce mRNA with introns and would be unable to splice it.
What happens when DNA of humans is inserted into bacterial plasmid?Researchers can create recombinant plasmids by inserting DNA fragments or genes into plasmid vectors. This plasmid can be introduced into a bacterium through a process known as transformation. Because bacteria divide quickly, they can then be used as factories to copy large amounts of DNA fragments.
This gene has introns, which bacteria do not have. If cloned directly, the bacteria would produce mRNA with coding regions and be unable to clip it.
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I want to know characteristics of reptile, please answer quick :))
Answers
Answer:
Reptiles are vertebrates. They have backbones.Their bodies are completely covered with scales.They are cold-blooded.Reptiles produce shelled eggsAll species fertilize eggs internally.All species of reptiles have at least one lungAnswer:
Some of the characteristics of reptiles are :-
Reptiles are cold-blooded.They have dry skin covered with scales, without any glands.They are vertebrates with their body divided into head,neck, trunk and tail.They respire through lungs.Most of them lay eggs.5. A population of pigeons on the west side of town has a per capital annual growth rate of 0. 7. A
separate population of pigeons on the east side of town has a per capita annual growth rate of
0. 10. If both populations are growing exponentially and both are censused the following year, In
which of the populations will dN/dt be greatest?
Answers
The term "population" usually refers to the total number of people living in a certain area, such as a city or town, region, nation, continent, or the entire world. Governments frequently use censuses, a procedure for gathering, analyzing, compiling, and releasing statistics regarding a population, to determine the size of the resident people within their jurisdiction.
Which of the populations will dN/dt be greatest?
You will be unable to respond to this question because you are unaware of the beginning size of the populations.
dN/dt will be higher on the east side if the two population sizes are equal or if the east side population is greater than the west side population.
However, if the west side population is sizable and the east side population is considerably smaller, the west side population's dN/Dt may be higher than the other.
In ecology, a population is a collection of creatures belonging to the same species that live in the same region and are able to breed with one another. An region with a reproductive population is one in which interbreeding between any two individuals therein is both conceivable and more likely than cross-breeding with individuals from other places.
The Lincoln index is a tool used in ecology to gauge a species' population in a given region.
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When someone uses the phrase "population," they typically mean all of the people living in that area, whether it be a city or town, a region, a nation, a continent, or the entire world. To estimate the population inside their borders, governments frequently conduct censuses.
What will be the population with the highest dN/dt?When someone uses the phrase "population," they typically mean all of the people living in that area, whether it be a city or town, a region, a nation, a continent, or the entire world. To estimate the population inside their borders, governments frequently conduct censuses.
You won't be able to respond to this question because you don't know the population's initial size. dN/dt will be higher on the east side if the two population sizes are equal or if the east side population is greater than the west side population. Ecologists assess a species using the Lincoln index.
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The gamete that contains genes contributed only by the mother is the?
A) the sperm
B) the egg
C) a zygote
D) dominant
Answers
Answer:
eggs
Explanation:
Answer:
The gamete that contains genes contributed by the mother is: an egg. Cells containing two alleles for each trait are descr. as: diploid. In meiosis, the way in which a chrom. pr. separates doesn't affect the way other prs. separate = independent assortment.
The energy needed for the changes in the water cycle to take place comes from _____.
Answers
Answer:
the SUNNNNN
Explanation:
The role of bacteria and mushrooms is that of __.
A. Carnivore
B. Herbivore
C. Decomposer
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Answer:
DECOMPOSER CAUSE THE BSCTERIA DOSENT IT JUST DESCOMPOSE
Answer: C. Decomposer
Explanation: They are there to decompose.
Why must macromolecules be broken down into smaller molecules during digestion?
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People with diabetes often receive insulin injections. What effect does insulin have on the body ?
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Answer:
Insulin allows the cells in the muscles, fat and liver to absorb glucose that is in the blood. The glucose serves as energy to these cells, or it can be converted into fat when needed. Insulin also affects other metabolic processes, such as the breakdown of fat or protein.
Answer:
Insulin is a natural hormone produced by your pancreas that controls how your body uses and stores blood sugar (glucose). It’s like a key that allows glucose to enter cells throughout your body.
Insulin is a vital part of metabolism. Without it, your body would cease to function.
When you eat, your pancreas releases insulin to help your body make energy out of glucose, a type of sugar found in carbohydrates. It also helps you store energy.
In type 1 diabetes, the pancreas is no longer able to produce insulin. In type 2 diabetes, the pancreas initially produces insulin, but the cells of your body are unable to make good use of the insulin. This is called insulin resistance.
Explanation:
3. How are frog eyes different from human eyes?
Answers
Answer:
Most frogs see well only at a distance, but they have excellent night vision and are very sensitive to movement.This peripheral vision helps them spot predators and prey. Humans and other mammals focus images by changing the shape of the lens. Like a camera lens, frog eyes focus by moving the lens back and forth.
1. What gene involved in skin pigment varies a great deal across populations?
2. Why doesn’t skin cancer explain this selection?
3. What does strong sunlight do to folate?
ALOT OF POINTS!!!!!
Answers
Answer:
Explanation:12werffdew
Answer:
1.A number of genes have been positively associated with the skin pigmentation difference between European and non-European populations. Mutations in SLC24A5 and SLC45A2 are believed to account for the bulk of this variation and show very strong signs of selection.
2.Cancer can circumvent negative selective pressures due to its ability to accumulate mutations that cause genetic diversity in tumor cells as the cells proliferate. Cancer seems to have evolved a propensity for, or at the very least, a selection for fitness.
3.Folate levels decrease depending on sun exposure, study says. 05 Feb 2019 --- Folate levels decrease during the months when solar radiation is higher and ultraviolet radiation proportionately affects folate levels in the blood.
Explanation:
In the land of Oompa, Green
hair is highly valued; Green-
haired Oompas even get
special benefits. Oscar
Oompa has Green hair and
wants to find a wife that will
give him Green-haired
children.
Answers
Answer:
death
Explanation:
Students who use memorization strategies such as chunking and clustering can remember much more than those who do not.What is the Independent Variable and why?What is the dependent Variable and why?
Answers
Dependent variable is a variable that changes because of the manipulation of the independent variable. The dependent variable in the scenario is the memorization capacity of the students since it is being manipulated by the strategies such as chunking and clustering to produce an outcome.
Independent variable is a variable that does not depend on another variable. It can stand alone and it does not change. The independent variable in the scenario is the memorization strategies such as chunking and clustering. Application of such strategies does not affect the status of the strategies.
PPLZZZZ HELPP!!!
Thank you if you can
Answers
Answer:
i believe that the answer is A
Explanation:
Answer:
Answer is A)
Explanation:
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