A corn plant has been genetically engineered. It produces pollen that can make its own toxins. These talks and protect the corn plant against pests.Newer strains of pesticide-resistant pests may develop. Option D is correct answer.
What are pesticides ?These are the chemicals that kill the pests and these are given to the crops so that they can be saved from pests.
Bird and butterfly populations around the area may increase. It is possible if the flowers and the pollen grains number and the production is increased. The carbon dioxide level would increase in the area. In this situation the plants number gets increased.
The concentration of pesticides in a nearby lake would increase. In this situation the pest use is increased on the plants and in this situation the use of chemicals in the surrounding water resources will be increased.
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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.
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
Explain why the Northern Hemisphere it’s warmer in the summer than in the winter
Answer:
It is because of the axis it is on!
Explanation:
In fact, in the Northern Hemisphere, the orbit of the earth takes us further from the sun in summer. Summer is hotter than winter due to the tilt in the axis of the earth of 23 degrees. ... – the sun is higher in the sky, meaning more sunlight shines on the earth more directly.
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
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
I don’t understand it
The__system includes the kidneys
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
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 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:
Stion
Unit 3 Tutorials
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Question 11
Ом.
Which of these is TRUE of a neuron at resting potential?
O The neuron has more positive charges inside than outside.
O Sodium-potassium pumps transport sodium ions into the neuron.
O Sodium-potassium pumps transport potassium ions out of the neuron.
O The neuron has more potassium ions inside than outside.
Answer:
O The neuron has more potassium ions inside than outside.
Explanation:
The membrane resting potential is defined as the difference in electrical charge between the interior of neurons and their outer environment. In neurons, both sodium (Na+) and potassium (K+) pumps contribute to generating the resting potential. Neurons have a higher concentration of K+ inside than outside and a higher concentration of Na+ outside than inside. When a neuron is at its rest state, where the inside is negative with respect to the outside, its membrane is more permeable to K+ than Na+, and therefore the resting membrane potential is closer to the equilibrium potential of K+.
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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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 is not considered to be a surface water?
A) aquifer
B)ponds
C)wetlands
D)river
Answer:
A) aquifer
Explanation:
surface waters are bodies of water that consist of water from rainfall etc, and aquifer does not consist of rainfall etc.
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.
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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.
HELP PLS (20 POINTS)
What is the basic unit of DNA?
when 70.0 grams of mno2 reacted with 128.0 grams of hcl, the reaction resulted in a 62.7% yield of chlorine gas. what is the actual yield of chlorine gas in grams? Mno2 + HCI —> MnCl2 + H2O + Cl2
Answer:
35.7 g
Explanation:
yield(%) = actual yield/theoretical yield x 100
We can calculate the theoretical yield by considering the balanced chemical equation:
MnO₂ + 4HCI —> MnCl₂ + 2H₂O + Cl₂
According to the equation, 1 mol of MnO₂ reacts with 4 moles of HCl to produce 1 mol of Cl₂. So, we can write the following mole ratios:
1 mol MnO₂/4 mol HCl or 4 mol HCl/1 mol MnO₂
1 mol MnO₂/1 mol Cl₂
4 mol HCl/1 mol Cl₂
As we have the amounts of reactants in grams, we have to convert from moles to mass by using the molecular weight (MW) of each compound:
MW(MnO₂) = 54.9 g/mol Mn + (16 g/mol x 2 O) = 86.9 g/mol
1 mol MnO₂ x 86.9 g/mol = 86.9 g MnO₂
MW(HCl) = 1 g/mol H + 35.4 g/mol Cl = 36.4 g/mol
4 moles HCl x 36.4 g/mol = 145.6 g HCl
MW(Cl₂) = 2 x 35.4 g/mol Cl = 70.8 g/mol
1 mol Cl₂ x 70.8 g/mol = 70.8 g Cl₂
Now, we have to figure out which is the limiting reactant. For this, we use the stoichiometric ratio: 145.6 g HCl/86.9 g MnO₂. We multiply the actual amount of MnO₂ by the stoichiometric ratio:
70.0 g MnO₂ x 145.6 g HCl/86.9 g MnO₂ = 117.3 g HCl < 128.0 g HCl
We need 117.3 grams of HCl to completely react with 70.0 grams of MnO₂, and we have 128 grams of HCl. So, the reactant in excess is HCl, and the limiting reactant is MnO₂.
With the limiting reactant, we calculate the theoretical yield of Cl₂. We use the stoichiometric ratio 70.8 g Cl₂/86.9 g MnO₂:
70.0 g MnO₂ x 70.8 g Cl₂/86.9 g MnO₂ = 57 g Cl₂
Finally, we calculate the actual yield of chlorine gas (Cl₂), by using the first equation:
yield(%) = actual yield/theoretical yield x 100
⇒ actual yield = theoretical yield x yield(%)/100
= 57 g x 62.7%/100
= 35.7 g
Why is a ripple in a pond an example of mechanical waves?
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
How does a hot spot make a volcano?
Can you get HIV from getting treatment at the dentist
The spinning of Earth on its axis is an example of its?
Answer:
Rotation
Explanation:
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 of the following is an example of primary succession?
A. the recovery of Yellowstone National Park following the fires of 1988
B. the appearance of lichens and mosses in an area where a glacier has recently melted away
C. the growth of weeds in a field after a farmer stops using the field
D. the growth of weeds in an empty lot that is no longer being mowed
Answer:
B. the appearance of lichens and mosses in an area where a glacier has recently melted away
Explanation:
Ecological succession, which refers to the series of changes that occurs over time in an ecosystem, can be of two types namely: primary succession and secondary succession.
Primary succession is a succession that involves an area where no form of life has grown previously, hence, the area of land is barren e.g bare rock. Primary succession is first colonized by species called PIONEER SPECIES e.g. lichens, mosses etc.
According to this question, "the appearance of lichens and mosses (pioneer species) in an area where a glacier has recently melted away" is an example of PRIMARY SUCCESSION.
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.
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:
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
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
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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