Answer:
Explanation:
Following the death of all plants that produce large seeds, this will lead to a reduction in the population of the finches with large beak sizes since they are the ones that mainly utilized this plant food.
Their portion will be selected against and least likely to have their genes represented in the next generations.
Which is a frameshift mutation? a) Substitution B) Nonsense C) Silent D) Deletion
Answer:
C. the awnser is c homie
Explanation:
cause i know
Just considering one locus (a specific location on a DNA strand), evidence at a crime scene shows a genotype of 5, 9 STR repeats at this locus. The general population frequencies for the alleles 5 and 9 are 0.100 and 0.300, respectively. How frequent would the genotype 5, 9 be expected to be in the general population
Answer:
0.1 x 0.3 = 0.03 = 3%
Explanation:
Assuming a process of random mating in the population, it is possible to infer that the genotype frequencies will be the product of the allele frequencies. The random mating is one of the postulates of the Hardy-Weinberg Law, which is widely used in population genetics to estimate genotypic frequencies when populations are expected to be in an equilibrium state (it is also expected by default in human populations). In this case, the genotype frequencies will be certainly low (3%), thereby this locus may be useful to investigate a police case.
Suppose a team of researchers becomes the first to synthesize organic molecules out of inorganic molecules. The conditions to which they subject their samples of inorganic molecules include periods of intense sunlight and radiation followed by periods of extreme cold—temperatures near that of outer space. After many such cycles of intense energy bombardment and cold, the researchers observe the development of organic molecules. If the findings of the researchers prove to be accurate, which features of their findings might challenge the primordial soup theory? Which aspects of the primordial soup theory would need to be adjusted in light of this new evidence? Why
Answer:
Primitive Earth where life emerged was subjected to extreme conditions
Explanation:
The origin of life is still an issue of intense debate today, although most researchers believe that life emerged from primitive organisms generated by the synthesis of organic compounds in early Earth. In line with this theory, it has been shown that membrane-forming compounds can be formed in extreme conditions (i.e., UV rays, extreme temperature, etc). It is believed that such conditions recreated in a laboratory were similar to the early Earth about 3,900 million years ago, thereby supporting the idea of the 'primordial soup theory' proposed by John Burdon Sanderson Haldane in 1929.
At the end of the summer, the normal plants had grown more than those with variegated leaves. All the plants had been grown in the same conditions. Explain why plants with normal leaves grow more than plants with variegated leaves.
Answer:
Pigment
Explanation:
The normal leaves contain more of a green pigment suggesting more chlorophyll present in the plant. This increases the rate of photosynthesis meaning the plant can grow faster. Variegated leaves have variation of colours some are not green meaning they grow slower.
Hope it helped
Plants with normal leaves grow more than plants with variegated leaves because variegated leaves have reduced chlorophyll content, impacting photosynthesis and overall growth.
What is variegated leaves?Variegated leaves refer to leaves that display a pattern of different colors or shades, typically characterized by patches, stripes, or streaks of contrasting pigmentation. This variation in coloration is a result of genetic mutations or changes in chloroplast distribution within leaf cells.
In variegated leaves, the color variation is caused by differences in chlorophyll content, which is responsible for the green color in leaves. The areas with reduced chlorophyll may appear white, yellow, cream, or other colors depending on the pigments present. This variation can be stable throughout the plant's life or occur only in specific conditions or stages of growth.
Variegated leaves can be found in a variety of plant species, both in the wild and in cultivated plants. They are often valued for their ornamental appeal and can add visual interest and uniqueness to gardens, landscapes, and indoor spaces.
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Ram started his bussiness with cash re 500000 journilise the question
Answer:
___________________________________
Date Particular L.F Debit Credit
___________________________________
a. Cash a/c Dr. 500000
To capital a/c. 500000
___________________________________
Some rules of Debit and credit:Personal account
Personal account is related to proper noun like name of person, name of bank and company.
Rules for personal account:
Debit: the receiver
Credit: The giver
Personal Account is used to record credit transactions.
Real accountIt is related to visible things except personal account terms.
For example: Goods, Cash, Furniture, Vehicles, Buildings.
Rules for Real Account:
Debit: What comes in
Credit: What goes out
Nominal AccountNominal account refers to those things which cannot be seen but can be expressed in terms of money.For example: Rent, Salary, Wages, Commission, Tax etc.
Rules for Nominal Account:
Debit: All expenses and losses
Credit: All income and profit
Note: Every debit should have equal credit.
Hope this helps..
Good luck on your assignment...
The moon is an example of a _________ object while a lit match is an example of a _______object.
Answer:
Moon- non-luminous
Lit match-luminous
Epidermal cells together are called as epidermis right??
Answer:
yes
Explanation:
The epidermis ( meaning "over-skin") is a single layer of cells that covers the leaves, flowers, roots and stems of plants. It forms a boundary between the plant and the external environment. The epidermis serves several functions: it protects against water loss, regulates gas exchange, secretes metabolic compounds, and (especially in roots) absorbs water and mineral nutrients. The epidermis of most leaves shows dorsoventral anatomy
Answer:
Yes
Explanation:
Epidermis: The outer cell layers of (most) animal skin/organs, and of plants. Epidermal: Adjective — something related to the epidermis.
Malaria is an infectious disease transmitted to humans from a parasite that infects mosquitoes that feed on humans. World health officials have concerns that climate change may impact the transmission of malaria into tropical highland areas in Africa. If these concerns turn out to be valid, they would imply that global climate change ________.
Answer:
It influences of the distribution of the species.
Explanation:
As malaria is the infection that are caused by spreading to the humans by a worm that infiltrates mosquitoes that feeds on people.According to the World health authorities are worried that changing climate could have an effect on malaria transmission to coastal highland parts of Africa.
The changing in the climate will directly influences the distribution of the species. This influence will spreading the virus fastly in the areas of the south Africa.People will take people precaution and takecare when the climate is changed .
name of compound of Ca(HCO)2
Answer:
Calcium bicarbonate
Explanation:
what kind of cells can secrete substances at the epithelial surface?
Answer:
Epithelial cells
Explanation:
Epithelial cells are cells that secret mucus to prevent friction between organs. Like between the Heart and Lung.
Which two phrases best describe cells?
A. Make up tissues
B. Made up of organs
C. The most complex level of organization of life
D. The simplest level of organization of life
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▹ Answer
A. Make up tissues
C. The most complex level of organization of life
▹ Step-by-Step Explanation
A is one of the correct answer choices since cells → tissues → organs → organ systems.
C is the second correct answer choice since cells have such an amazing structure that functions in surprising ways. Cells are our whole body and they function daily in our body, showing that it is very complex.
Hope this helps!
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A cell needs to take up Na+ ions. The concentration of Na+ outside the cell is 200 ppm, and inside the cell it is 350 ppm. Which type of transport will the cell use? A. Active tTransport B. Diffusion C. Passive Transport D. Particle Transport
Answer:
Active transport
Explanation:because the amount of Na+ inside the cell is greater than outside so it's against the concentration gradient and that requires energy so we use active transport
PART 1
which organelle is labeled A?
a. nucleus
b. vacuole
c. ribosome
d. mitochondrion
PART 2
which organelle is labeled E?
a. golgi apparatus
b. chloroplast
c. ribosome
d. nucleus
PART 3
which organelle is labeled I?
a. nucleus
b. mitochondrion
c. ribosome
d. chloroplast
PART 4
which organelle is labeled G?
a. cytoplasm
b. cell wall
c. cell membrane
d. vacuole
Answer:
Part 1: B. Vacuole
Part 2: A. Golgi apparatus
Part 3: D. Chloroplast
Part 4: C. Cell membrane
The answers to the following questions are:
Part 1: B. Vacuole
Part 2: A. Golgi apparatus
Part 3: D. Chloroplast
Part 4: C. Cell membrane
What are cell organelles?An organelle is a type of subcellular structure that, much like an organ in the body, is responsible for performing one or more specialized tasks within the context of the cell. The nucleus, which are responsible for storing genetic information, the mitochondria, which are responsible for producing chemical energy, and the ribosomes, which are responsible for assembling proteins, are some of the more essential organelles found in cells.
The nucleolus, the nucleus, the ribosome, the vesicle, the rough endoplasmic reticulum, the Golgi apparatus, the cytoskeleton, the smooth endoplasmic reticulum, the mitochondria, the vacuole, the cytosol, the lysosome, and the centriole are the major organelles and structures found within the cytoplasm.
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Which statement about cellular respiration is true?
O It produces oxy
O It requires water
O It is used by every living cell.
O It converts energy to food.
which structure is found mainly in green plants and bacteria
Answer:
Cell Walls
Explanation:
Animals cells do not have cell walls, only cell membranes. However, lots of plants and bacteria have cell walls to further protect past the cell membrane and provide rigid structure.
Review the terms and their definitions in the Mini Glossary. Write a sentence that tells how
amplitude and frequency can describe a wave.
Answer:
A wave is a type of motion caused by water and wind that can cause a huge wave also depending on weather and it can be found in a beach at a ocean and more type of water places.
Explanation:
Waves that include both longitudinal and transverse movements include water waves.
Mini Glossary and wave;Particles move in clockwise rings when a wave goes through the waver. As the depth of the water grows, the radius of the circles shrinks.
A wave is a form of motion created by water and wind that can produce a large wave depending on the weather and can be found on a beach, in the ocean, and in other types of aquatic environments.
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5. In your everyday life, you have probably noticed that certain instruments are ideal for certain situations. For example, you would use a spoon rather than a fork to eat soup because a spoon is shaped for scooping, while soup would slip between the tines of a fork. The use of ideal instruments also applies in science. In what situation(s) would the use of a light microscope be ideal, and why
Answer:
A light microscope, particularly when the cell has indeed been spattered to disclose information, would've been ideal when examining a small living organism.
Explanation:
A light microscope is a laboratory biology instrument or device that uses transparent sensors to illuminate and exacerbate and enlarge, very small objects. Individuals use lenses to center light on the test sample, thereby amplifying it to produce an image. The experiment is usually located near the respective.
It does this by producing a magnified image using a series of glass lenses, which first focuses a laser light on or through an object, then conveys objective lenses to expand the created image.
Explanation:
A light microscope would be ideal for viewing significantly small living organisms, such as bacteria , viruses, and other single celled organisms. A microscope is device especially made to magnify the size of object or the beings. So, it helps to the study the details of the tiniest of the things.
What do does it mean to have a commercial market for space travel and what benefits could come from having one?
Answer:
The commercial market for space travel have generated multiple benefits for scientific experiments.
Explanation:
The flight of NASA astronauts onboard commercial spaceships to the International Space Station may be at risk, but the payoffs from low-cost flights to the orbital station and the increased experimental use of the microgravity environment are expected to be significant. Scientific studies, such as the production of vaccines, are now taking place onboard the space station, so providing more cost-effective means of entering earth orbit could fundamentally change other industries, such as medicinal and materials engineering.
which are examples of negative feedback? Select three options.
Answer:
C- when someone's pancreas stops producing the hormone that lowers blood sugar because the person hasn't eaten recently
D- when someone’s pancreas hormone increases every time they eat, but decreases when they aren’t eating
E- when a person takes calcium supplements so a gland will stop secreting a hormone that pulls calcium from the bones
Explanation:
I got it right on my test!
ur welcome
The examples of negative feedback among the given options are 1. A child whose thymus gland is building an immune system that gets stronger each day.
3. When someone's pancreas stops producing the hormone that lowers blood sugar because the person hasn't eaten recently.
4. When someone's pancreas hormone increases every time they eat but decreases when they aren't eating.
Negative feedback is a regulatory mechanism in the body that works to maintain homeostasis by counteracting or reversing changes in the body's internal environment.
It helps to keep various physiological processes within a narrow range and prevent excessive fluctuations.
1, the child's thymus gland building an immune system that gets stronger each day is an example of negative feedback. As the child grows, the thymus gland stimulates the production of immune cells (such as T cells) to strengthen the immune system, which is a response to the body's needs.
3, when someone's pancreas stops producing the hormone that lowers blood sugar because the person hasn't eaten recently, it demonstrates negative feedback.
4, when someone's pancreas hormone increases every time they eat but decreases when they aren't eating, it also illustrates negative feedback. After a meal, the pancreas releases insulin to facilitate glucose uptake by cells, reducing blood sugar levels.
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Your question is incomplete, but most probably your full question was.
Which are examples of negative feedback? Select three options.
1. a child whose thymus gland is building an immune system that gets stronger each day.
2. when someone’s adrenal gland reacts to a scary movie by secreting hormones that make the heart beat quickly.
3. when someone's pancreas stops producing the hormone that lowers blood sugar because the person hasn't eaten recently.
4. when someone’s pancreas hormone increases every time they eat, but decreases when they aren’t eating.
5. when a person takes calcium supplements so a gland will stop secreting a hormone that pulls calcium from the bones
A food web is represented below.
Mountain lion
Hawk
SS
Snake
23
Ow
Frog
Rabbit
Mouse y
Deer
Cricket
Shrubs
Grass
Trees
A continuous decrease in the size of the rabbit population would most likely cause a decrease in which other population?
Answer:
The frog population
Explanation:
Because the frogs will no longer have food to eat and might die from starvation. The decrease in the rabbit population affects them directly.
What can a biologist infer from a population that is uniformly distributed through its habitat?
Answer:
The population has reached its carrying capacity
Explanation:
Answer:b
Explanation:
Iodine-131, a beta emitter, is one such product of nuclear fission, extremely dangerous because it is typically produced in huge quantities and because it is incorporated in the human body in the thyroid gland. The half-life of 1311 is 8.04 days. What fraction (expressed as a decimal number) of the 1311 produced in a nuclear accident would remain after 60.0 days?
Answer:
0.00568
Explanation:
Recall that the fraction of radioactive material left after a time (t) is obtained from the formula;
N/No = (1/2)^t/t1/2
Where;
N= mass of radioactive material left after a time t
No= mass of radioactive material initially present
t= time taken for N mass of radioactive substance to remain = 60.0 days
t1/2= half-life of the radioactive substance= 8.04 days
Note that the required fraction is N/No, hence;
N/No= (1/2)^60.0/8.04
N/No= (1/2)^7.46
N/No = 0.00568
Which of these is a heterotroph
-plant -producer -consumer -phytoplankton
Answer:
Consumer
Explanation:
Heterotrophs rely on other organisms for food, so they are consumers.
Hope this helps! :)
Answer:
C.consumer on Edge 2021
Explanation:
In ecology, an organism that obtains nutrients by consuming other organisms is called a heterotroph. Unlike autotrophs—organisms that can synthesize their own nutrients from inorganic substances—heterotrophs cannot produce their own food.
What is one way people positively affect water resources?
polluting from nonpoint sources
increasing farming and construction
disposing of chemicals in water
limiting use of acid and other pollutants
Answer:
D Limiting use of acid and other pollutants
People positively affect water resources by : ( D ) Limiting use of acid and other pollutants
Pollution is one major environmental problem witnessed in our environment, and it can be categorized into three ( 3 ) types which are :
water pollutionLand pollution Air pollutionWater pollution is caused mainly by the presence of harmful chemical substances deposited in water bodies and excessive usage of water bodies which leaves the water shallow and contaminated due to high solute concentration in the water.
Hence we can conclude that one positive way that people affect water resources positively is by limiting use of acid and other pollutants.
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Tracey knows that proteinuria (protein in the urine) after intense exercise is physiological (normal). However, protein is typically not present in urine. Why is that?
Answer:
Normally, protein should not be found in the urine. A person who has protein in the urine is said to have proteinuria.
Explanation
Strenuous exercise increases glomerular filtration of low-molecular-weight proteins (β2-microglobulin), which overwhelm the reabsorbing capacity of the tubular apparatus, causing temporary dysfunction and tubular proteinuria. Exercise-induced proteinuria is generally benign and a function of the intensity—rather than the duration—of exercise.1 It occurs most often among athletes participating in such sports as running, swimming, rowing, football, or boxing.2 It’s also transient—lasting 24 to 48 hours.1 Recognizing exercise-induced proteinuria is fairly straightforward—once you know what to look for.
Normally, protein should not be found in the urine. A person who has protein in the urine is said to have proteinuria.
What is Strenous excercise?
Strenuous exercise increases glomerular filtration of low-molecular-weight proteins (β2-microglobulin), which overwhelm the reabsorbing capacity of the tubular apparatus, causing temporary dysfunction and tubular proteinuria.
Exercise-induced proteinuria is generally benign and a function of the intensity—rather than the duration—of exercise.
It occurs most often among athletes participating in such sports as running, swimming, rowing, football, or boxing. It’s also transient—lasting 24 to 48 hours. Recognizing exercise-induced proteinuria is fairly straightforward—once you know what to look for.
Therefore, Normally, protein should not be found in the urine. A person who has protein in the urine is said to have proteinuria.
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As monoculture becomes more profitable, some crop varieties are threatened
with extinction. Which of the following would be the best solution to this
global economic problem?
O A. Creating an international seed bank to protect biodiversity
B. Establishing international agreements to prevent overfishing
C. Forming strict regulations on greenhouse gas emissions
D. Encouraging developing countries to participate in global trade
Answer:
A. Creating an international seed bank to protect biodiversity
Explanation:
Monoculture involves the growing or rearing of a particular crop or livestock for commercial purposes. This brings more profit due to the importance of such crops or livestock but it results to some crop varieties being threatened with extinction due to the crops not being grown.
The best option would be to create an international seed bank to protect biodiversity and ensure availability of the future planting of the crops.
Which animals do not have vertebrae
Answer:
Sharks and Ray-finned fish
Explanation:
how does a gene effect the traits of a human
Answer:
They make you look like your parents. You can also do certain things like roll your tongue up or have dimples. It can also determine if you are left handed or right handed or eye color.
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Explanation:
⦁ The interaction between worms and lima beans is called?
⦁ Why is the interdependence of the worms and plants a good example of commensalism? PLEASE HELP ME!!!!!
Answer:
In commensalism, one organism benefits, and the other neither benefits nor is harmed. In this case, plants benefited, and worms seemed neither to benefit nor be harmed.
include the following options
the definition of commensalism
the benefits to the plants from the worms
the lack of observed harm to the worms
the lack of observed benefit to the worms
Explanation:
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HELP ME PLS!!! Which determines carrying capacity? a) logistic factors b) exponential growth c) population growth d) limiting factors
Answer:
d) limiting factors
it may be limiting factors because to have population we must have essential requirements or else there not be population and no more carrying capacity.