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Answer:
A
Explanation:
Answer: A
Explanation:
HELP PLS (20 POINTS)
What is the basic unit of DNA?
The spinning of Earth on its axis is an example of its?
Answer:
Rotation
Explanation:
A student completes an SAE where they volunteer time taking care of animals at an animal shelter. What type of Immersion SAE would this be?
Explanation:
probably, Placement, since he's volunteering
The type of the Immersion SAE would be experimental research. The correct option is C.
What is Immersion SAE?
Immersion SAEs are an extension of the Foundational SAE's Agricultural Literacy component and will contribute to a student's growth in all Foundational components in an authentic, contextualized manner.
In a real-world application, the five Immersion SAE categories build on the Foundational SAE components.
SAE programs serve several important purposes and provide numerous benefits, including:
Assisting students in clearing career as well as educational decisions. Allowing students to investigate various agricultural subjects.Assisting students in developing self-confidence.The Immersion SAE would be an experimental study. The majority of SAE programs are completed outside of regular class time, either at home or at work.
Thus, the correct option is C.
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The aorta carries blood away from the heart and eventually branches into a large number of capillaries that distribute the blood to various body organs. If for an average person, the aorta has a radius of 1.2 cm and blood travels through it at a speed of 42 cm/s and the capillaries have an average radius of 5.0 10-4 cm and blood travels through them at a speed of 0.005 cm/s, determine the approximate number of capillaries in the human body.
Answer:
There are approximately 5 × 10¹⁰ capillaries in the human body
Explanation:
The motion of a fluid is such that the mass of the fluid flowing remains constant. This is known as the principle of conservation of mass in liquid flow.
The mass flow rate is the mass that passes a given point per unit time. According to the principle of conservation of mass, the flow rates at any two points must be equal, as long as no fluid is being added or taken away.
The principle gives rise tonthe continuity equation which is given below:
ρ₁A₁v₁ = ρ₂A₂v₂
Where ρ is density of fluid, A is internal area of the vessel or pipe the fluid is flowing through, v is velocity of the fluid
Since the density of blood is constant, the continuity equation above reduces to:
A₁v₁ = nA₂v₂
where A₁ is the area of the aorta, v₁ is velocity of bloodmin the aorta, n is number of capillaries, A₂ area of capillary, v₂ is velocity of blood in the capillary.
n = A₁v₁/A₂v₂
n = πr₁² × v₁ / πr₂² × v₂ where r₁ is radius of aorta and r₂ is radius of capillaries
n = (22/7 × 1.2² × 42) / (22/7 × 0.0005² × 0.005)
n = 4.8384 × 10¹⁰capillaries
Therefore, there are approximately 5 × 10¹⁰ capillaries in the human body
Which of the following irrigation methods is most likely to result in salinization of the soil, especially if the agricultural fields are located in a warm climate with consistent sunlight
A Spray irrigation
Furrow irrigation
Flood irrigation
Drip Irrigation
Answer: Furrow Irrigation (B)
Explanation:
Furrow irrigation
Salinization of the SoilThe accumulation of water-soluble salts in the soil is known as salinization. Excess salts inhibit crop growth by decreasing their ability to absorb water, making salinization a resource concern.Surface irrigation in which trenches or "furrows" are created between crop rows in a field is known as furrow irrigation. Furrow irrigation is done by laying down short parallel channels down the length of the field in the direction of the predominant slope.Furrow irrigation is most likely to result in salinization of the soil, especially if the agricultural fields are located in a warm climate with consistent sunlightFor more information:
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In humans, nearly 80% of proteins are acetylated on their N-terminal residue, a modification known to be recognized by a specific E3 enzyme, which directs the ubiquitylation of the protein for rapid degradation. Does this mean that all of these proteins would be actively degraded at the same time
Answer:
Yes
Explanation:
Yes this means that all of these proteins will be actively degraded and this is due to the high turnover rate which will ensure that their activity will be under tight control.
The acetylation of the N-terminal of the protein, with the Ubiquitylation of the protein by an E3 enzyme, helps in the maintenance of the homeostasis of protein activity.
According to Newton's first law, which characteristic of a moving object would remain constant if there were no othe
forces acting on it?
O size
mass
shape
speed
Answer:
The mass
Explanation:
The mass is can somewhat control the speed of an object like the rollback can.
Please help!! I'll give brainlist!!!
Answer:
C. The Bluegill population would increase, but the other organisms would not be affected.
Explanation:
Bluegill are eaten by bass. Bass would be what keeps the Bluegill population under control, but with the bass population decreasing, Bluegill would eventually overpopulate.
Which of the flowing best describes how reduced space affects the animals in an environment?
a
They will have more food and water to share.
b
The population of the animals in that space will increase.
c
They will compete and fight for resources.
d
They will struggle to survive.
Answer:
d
Explanation:
they will not be able to survive with no food or water
p.s. i know the other person answered it but they did not explain it
Answer: Option (D) Is correct, They will struggle to survive.
Explanation: Hope it helps!
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Which is one piece of information that fossils in samples from Earth’s crust reveal about Earth’s history?
Answer:
a
Explanation:
Answer:a
Explanation:its on the quiz
Match the descriptions with the correct phases of the ovarian cycle - progesterone levels are highest during this phase - menses occurs during the first part of this phase - LH levels peak during, or just before, this phase - This phase occurs approximately 14 days before the onset of menstruation - GnRH secretion is inhibited by estrogen secreted from the corpus luteum during this phase - This phase corresponds to the secretory phase of the uterine cycle - A follicle ruptures during this phase - The antrum of a follicle grows larger during the end of this phase A. Follicular phase B. ovulation C. Luteal phase
Here's a match of the descriptions with the correct phases of the ovarian cycle:
Progesterone levels are highest during this phase: C. Luteal phaseMenses occurs during the first part of this phase: A. Follicular phaseLH levels peak during, or just before, this phase: B. OvulationThis phase occurs approximately 14 days before the onset of menstruation: C. Luteal phaseGnRH secretion is inhibited by estrogen secreted from the corpus luteum during this phase: C. Luteal phaseThis phase corresponds to the secretory phase of the uterine cycle: C. Luteal phaseA follicle ruptures during this phase: B. OvulationThe antrum of a follicle grows larger during the end of this phase: A. Follicular phaseWhat is an Ovarian cycle?
The ovarian cycle is the monthly series of changes that occur in a female's ovaries, specifically in the development and release of an egg (ovulation).
The cycle is regulated by several hormones produced by the hypothalamus, pituitary gland, and ovaries, and is divided into three main phases: the follicular phase, the ovulatory phase (or ovulation), and the luteal phase.
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What phenotypic results for each environment would you predict if starting with the following population sizes?
1000:
100:
10:
Explanation:
populations are large, it seems fair to ask whether genetic drift is really all that important. It's true that most populations are large, but they don't necessary act large. Thus, the rate of genetic drift is not really proportional to census population size (Nc). Rather, it's proportional to something more abstract — specifically, the effective population size (Ne). In an ideal population of sexually reproducing individuals , Ne will equal Nc. An "ideal" population has the following characteristics, and most deviations will decrease the effective population size:
There are equal numbers of males and females, all of whom are able to reproduce.
All individuals are equally likely to produce offspring, and the number of offspring that each produces varies no more than expected by chance.
Mating is random.
The number of breeding individuals is constant from one generation to the next.
Essentially, anything that increases the variance among individuals in reproductive success (above sampling variance) will reduce Ne (the size of an ideal population that experiences genetic drift at the rate of the population in question). For example, consider the effect of unequal numbers of mating males and females. In an ideal population, all males and all females would have an equal chance of mating. However, in situations in which one sex outnumbers the other, an individual's chance to mate is now affected by its sex, even if all individuals within each sex have an equal chance to mate. In this situation, effective population size can be predicted by the formula Ne = 4NmNf/(Nm + Nf), where Nm is the number of males and Nf is the number of females. Figure 4 shows the relationship between Ne and Nf in a population of 1,000 mating individuals. In an ideal population, all individuals have an equal opportunity to pass on their genes. In real life, however, this is rarely the case, and Ne is particularly sensitive to unequal numbers of males and females in the population.follow me bye nice study
An ecosystem with great biological
diversity decreases –
F the number of species present in
the ecosystem
G competition between different
species in the ecosystem
Havailable space for organisms in
the ecosystem
J available food supply for
organisms in the ecosystem
Answer:
H and J
Explanation:
F With great diversity comes and increase in species
G with an increase of animals there is an increase in competition not a decrease
H and J both seem right since the more animals the more competitive it is for space and food
Why are shape, weight, mass, size,
and texture NOT considered properties?
Answer:
Density is an intensive property. This means that regardless of the object's shape, size, or quantity, the density of that substance will always be the same. ... It is because density in an intensive property of matter. So they are not considered properties.
Explanation:
What is role of the enzyme telomerase is to
Answer: Telomerase is the enzyme responsible for maintenance of the length of telomeres by addition of guanine-rich repetitive sequences. Telomerase activity is exhibited in gametes and stem and tumor cells.
Explanation:
Which statement describes a constructive force that shapes Earth's surface?
Help meeee
Answer:
a volcano erupts, a river deposits gravel at a bend , plate movement creates mountains
How does a hot spot make a volcano?
HOMOLOGOUS CHROMOSOMES SEPERATE FROM EACH OTHER WHAT STAGE
Answer:
Homologous chromosomes separate from each other during anaphase I of meiosis.
Explanation:
Meiosis is a specialized type of cell division that occurs in sexually reproducing organisms. It involves two rounds of cell division, known as meiosis I and meiosis II, which result in the formation of haploid gametes (sperm or eggs) with half the number of chromosomes as the parent cell.
During meiosis I, homologous chromosomes pair up and exchange genetic material in a process called crossing over. Then, during anaphase I, the homologous chromosomes separate from each other and migrate to opposite poles of the cell. This is followed by telophase I, cytokinesis, and the formation of two new cells, each with a haploid set of chromosomes.
In contrast, during meiosis II, the sister chromatids of each chromosome separate from each other and migrate to opposite poles of the cell, resulting in the formation of four haploid daughter cells.
Gypsy moths kill trees by
destroying their leaves.
burrowing into and weakening the roots.
building heavy nests that weaken branches.
separating the bark from the rest of the tree.
Answer:
The correct answer is - destroying their leaves.
Explanation:
Gypsy moths are the most important moth species as their caterpillar defoliate the leaves of the trees, shrubs, and other plants and ultimately kills them.
These moths destroy most of the leaves or separate the leaves from the trees. These moths lay their egg on the leaves of the trees and plants and their caterpillar eat these leaves for food and nutrition.
Answer:
a
Explanation:
took the test
a heavily populated town with a housing shortage is located near one large river the water in the river is not heavily polluted the people grow food on fertile farms near the river there is no access to vaccinations in the area and the death rate from certain diseases is very high based on this the most immediate solution
Answer:
Answer: access to medical supplies
Explanation:
Answer:
access to medical supplies
Explanation:
Consider the Canyonlands food web. Evaluate each of the statements provided and select ALL that apply.
A)
The Fennec Fox is an omnivore.
B)
The Northern Whiptail is a carnivore.
Rock squirrels are the only consumers of Yucca.
D)
Producers include Utah Juniper, Yucca, and Pinyon Pine
E)
The Rock Squirrel, Spiny Lizard, and Fennec Fox are all primary consumers.
Answer:
A) The fennec Fox is an omnivore.
E) The rock squirrel, spiny lizard and fennec fox are all primary consumers.
Explanation:
Fennec fox is omnivore and they usually live in underground holes. They dig the holes with the help of their feet. They usually consume insects, some plants, eggs and small animals.
Answer:
A) The Fennec Fox is an omnivore.
C) Rock squirrels are the only consumers of Yucca.
D) Producers include Utah Juniper, Yucca, and Pinyon Pine
Explanation:
Using the food web, we do not have any information on what the Northern Whiptail and the Spiny Lizard eat.
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4. What type of allele will be expressed if both dominant and recessive alleles are
present for a given trait?
a. Somatic
b. Segregated
C. Recessive
d. Dominant
e autosomal
what type of membrane is the visking tubing
Answer: semi-permeable
Explanation: Dialysis tubing, also known as Visking tubing, is an artificial semi-permeable membrane tubing used in separation techniques, that facilitates the flow of tiny molecules in solution based on differential diffusion.
Answer: semi-permeable
The kinetic energy of a moving object depends on its mass and its
a. volume.
b. velocity
c. distance.
d. acceleration
Answer:
Your answer is B. Velocity
CCG GAT TTT AAT TAG CTA CTA TCG TAC TAC GTT GGT GCT
make complementary dna
Answer:
CCG GAT TTT AAT TAG CTA CTA TCG TAC TAC GTT GGT GCT.
Explanation:
I have no idea what you are trying to do.
sorry
The__system includes the kidneys
What is a population bottleneck?
Answer:
A population bottleneck or genetic bottleneck is a sharp reduction in the size of a population due to environmental events such as famines, earthquakes, floods, fires, disease, and droughts or human activities such as specicide and human population planning.
Explanation:
Explanation:
A population bottleneck or genetic bottleneck is a sharp reduction in the size of a population due to environmental events such as famines, earthquakes, floods, fires, disease, and droughts or human activities such as specicide and human population planning.follow me
What if earth didn't revolve around the sun, but was rather in a fixed position relative to the sun
Answer:
Anything on the trailing side would be pulverized against the Earth. It would be a horrible, gooey mess. But even if the Earth slowed gently to a stop, it would still be a horrible mess. Without the outward centripetal force to counteract the inward pull of gravity, the Earth would begin falling towards the sun.
Explanation:
In a food pyramid, what trophic level do decomposers get their food from?
Select one:
All levels of the pyramid.
Producers only.
Producers and primary consumers.
Primary consumers and secondary consumers.
Answer:
They are the “last trophic level” in some hierarchies because they feed on everything (National Geographic). However, according to the strict trophic level definition they would be primary consumers.
Explanation: