Answer:
Cells have proteins called receptors that bind to signaling molecules and initiate a physiological response
"Different receptors are specific for different molecules. ... Receptors can also respond directly to light or pressure, which makes cells sensitive to events in the atmosphere."
got it from g00gle:)
Explanation:
what are the problems encountered during the conduct of the activity in sensory evaluation?
can anyone answer it please..
Answer:
Sensory Evaluation
Sensory evaluation defined as the ‘systematic study of human response to physico-chemical properties’ makes it possible to obtain information about the sensitivity of the human sense and about the four dimensions of the sensory perception, i.e. the quantitative, the qualitative, the temporal and the hedonic dimensions.
The visual represents a karyotype of an individual with Down Syndrome, a genetic disorder that causes affected individuals to have delayed development, intellectual disability, and a distinct facial appearance.
Based on the karyotype shown, what TWO genetic changes or events lead to Down syndrome?
A
having a missing chromosome
B
having an extra chromosome
C
an insertion mutation
D
a deletion mutation
E
nondisjunction
Answer: a and c
Explanation:
Which statement correctly classifies ATP, cytoplasm, and mitochondria? (1 point)
O ATP is found in mitochondria, and mitochondria are found in the cytoplasm.
O ATP is found in the cytoplasm, and cytoplasm is found in the mitochondria,
O Mitochondria are found in the cytoplasm, and cytoplasm is found in ATP
O Cytoplasm is found in ATP, and ATP is found in the mitochondria
Answer:
ATP is found in mitochondria, and mitochondria are found in the cytoplasm
Explanation:
ATP is found in mitochondria and mitochondria are found in the cytoplasm. So the correct option is A.
What are mitochondria?The majority of the chemical energy required to drive a cell's metabolic operations is produced by mitochondria, which are membrane-bound cell organelles (mitochondrion, singular). Adenosine triphosphate, a tiny molecule, serves as a storage container for the chemical energy generated by the mitochondria (ATP). Small chromosomes found in mitochondria are found there. In most cases, mitochondria and consequently mitochondrial DNA are exclusively passed down from the mother.
Organelles that are membrane-bound include mitochondria, however, they are membrane-bound with two distinct membranes. And for an intercellular organelle, that's extremely remarkable. Those membranes provide the fundamental function of mitochondria, which is to create energy. Chemicals within the cell must be transformed, or they must go via routes, in order to create that energy.
Because phosphate is a high-energy bond and supplies energy for other processes within the cell, the conversion process results in the production of energy in the form of ATP. Consequently, the mitochondria's function is to generate that energy. Because certain cells require more energy than others, they differ in the number of mitochondria they contain.
Therefore the correct option is A.
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Black fur (B) is dominant to white fur. Soft fur (S) is dominant to rough fur. What is probability that the
offspring will have white color and rough fur?
Answer:
A) 1/16
Explanation:
Because both white fur and rough fur are recessive traits, you need all genes shown to also be recessive. If a single trait is dominant, then it will be expressed instead of a recessive gene. Because there is only one square out of sixteen that is all lowercase, the chance of having both recessive traits (White fur and Rough fur) is 1/16.
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The cell membrane potential is maintained by the ion channels with movement of ions into and out of the cell. Using the model below, if there was a decrease in protein C, what would be a likely outcome?
The membrane will be maintained by an increase of Na+ ions into the cell.
The membrane potential will be disrupted by a decrease in K+ concentration inside the cell.
The membrane potential will be disrupted by an increase in Na+ concentration inside the cell.
The membrane potential will be maintained by an increase in K+ concentration inside the cell.
Answer:
The loss of protein x function would lead to an increase in intracellular potassium ion ( K+) concentration
The four main types of pest
Answer:
1) Insect
2) Mites
3) Rodents
4) Animals
5) Birds
Explanation:
1) These are significant and significant pests. Insects have three pairs of legs, two pairs of wings, a segmented body, and complex eyes and antennae that are unique to them. Insects are smart, extracting sap from plants, biting plant parts, burrowing into fruits, twigs, and leaves, attacking roots, barks, and blooms, among other things. Larvae, adults, and nymphs are the stages of insect pests that cause harm.
2) These are insect-like organisms with a soft body and four pairs of legs. The colour of these small organisms is red or pastel yellow. They feed on the plant's sap and attack the crops in large numbers.
3) This bug consumes a considerable amount of human food and causes widespread crop damage. They're also to blame for massive grain losses on fields, in warehouses, and in homes.
4) Wild boars, deer, elephants, buffalo, jackals, monkeys, and squirrels are among the animals that inflict direct harm to agricultural plants. They devour the plants and, as a result, squander a tremendous amount of food.
5) Birds devour grains and destroy crop plants. Crows, parrots, and sparrows are among the most common birds that prey on crops.
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Which type of medication treats a sprained ankle that exhibits pain, redness, and heat?
antihistamine
anti-inflammatory
antibiotic
antiparasitic
Answer:
anti-inflammatory
Explanation:
1. Migration that can bring new allcles into a population.
A. natural selection
B. mutation
C. genetic drift
D. gene flow
E. sexual selection
2. Chance and random events that can reduce the variation in small population.
A. natural selection
B. mutation
C. genetic drift
D. gene flow
E. sexual selection
3. Individuals with inherited characteristics that allow them to best compete for limited resources will survive and have more offspring than those individuals with variations that are less able to compete. Because characteristics are inherited, these traits will be better represented in the next generation.
A. natural selection
B. mutation
C. genetic drift
D. gene flow
E. sexual selection
4. Leads to traits that may not be well suited to the environment but increase fitness.
A. natural selection
B. mutation
C. genetic drift
D. gene flow
E. sexual selection
5. Ultimate source of brand new alleles in a population.
A. natural selection
B. mutation
C. genetic drift
D. gene flow
E. sexual selection
Answer:
1. D (In population genetics, gene flow is the transfer of genetic material from one population to another.)
2. C (Genetic drift may cause gene variants to disappear completely and thereby reduce genetic variation. It can also cause initially rare alleles to become much more frequent and even fixed. When there are few copies of an allele, the effect of genetic drift is larger, and when there are many copies the effect is smaller.).
3. A and also E (Individuals with inherited characteristics that allow them to best compete for limited resources will survive and have more offspring than those individuals with variations that are less able to compete. Because characteristics are inherited, these traits will be better represented in the next generation.)
4. D (Gene flow can increase fitness but if it happens in another environment, it decreases the adaptability. If alleles are advantageous, the offsprings' inheritance increases.
5. B (Mutations are the main source of alleles)
List ten structure you coul find in an electron micro graphy of an animal cell would be absent from the cell of bacteria
Answer:
Bacteria (prokaryotic) do. not have membranes bound organelles.
therefore it doesn't have nucleus (hasa nuclied instead).no mitrochondira. no gogli appraratus,no
endoplasmic reticulum.
Explanation:
up is the explanation.
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Write the number of each atom in the chemical formulas for all of the possible combinations of positive and negative ions found on the cards. You can use the cards to figure out the formula by making as many copies of the cards as necessary to get them to line up exactly equally.
Example:
Na__Cl___
The chemical formula is NaCl, so you would place a 1 in the box for both Na and Cl.
A chemical formula is obtained from the number of atoms in a compound.
Chemical compounds are composed of atoms. The number atoms of each element in a compound determines the correct formula of the compound. Before I can write the chemical formula of any compound, I must first determine the number of each atom in the compound.
For instance, phosphorus trichloride contains one atom of phosphorus and three atoms of chlorine hence I would place a 1 in the box for P and 3 in the box for Cl.
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Groups of similar specialized cells that carry out particular functions form A. eukaryotes O B. organs O C. tissues D. organelles
Answer:
Learning Task 3. Solving word problems involving multiplication of deci-
the
A cstep in solving word problems. Do these in your notebook. ),
1. A clerk is paid P 45.25 per hour for 40 hours a week, 1.50 times the
regular rate for overtime and double the rate for a holiday. How much
holiday?
2. fofkmputer programmer earns a regular hourly rate of P50.00. If he
worked 42.75 hours in a week, how much did he earn?
3. Arthur earns P1350.00 a day. He sets aside 0.10 of this for savings.
How much does he save in a month?
4. Mr. Fernandez has a monthly pay of P 5,450. The tax deducted from
year?
5. Dianne works 2.5 hours a day from Monday to Friday and 3.75 hours
his a
on Saturday. If he is paid P25.00 per hour, how much does he earn in
a
week
Learning Task 3. Solving word problems involving multiplication of deci-
the
A cstep in solving word problems. Do these in your notebook. ),
1. A clerk is paid P 45.25 per hour for 40 hours a week, 1.50 times the
regular rate for overtime and double the rate for a holiday. How much
holiday?
2. fofkmputer programmer earns a regular hourly rate of P50.00. If he
worked 42.75 hours in a week, how much did he earn?
3. Arthur earns P1350.00 a day. He sets aside 0.10 of this for savings.
How much does he save in a month?
4. Mr. Fernandez has a monthly pay of P 5,450. The tax deducted from
year?
5. Dianne works 2.5 hours a day from Monday to Friday and 3.75 hours
his a
on Saturday. If he is paid P25.00 per hour, how much does he earn in
a
week?
Answer:
Groups of similar specialized cells that carry out particular functions form. tissues
O
Analysis (6 marks)
List the characteristics that you think must be in a seed so it can carried by wind
from place to a place
o
O
Help?
Definition of evolution
Answer:
Evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection.
Answer:
the change in the features of the species over generations that makes the organism adaptable to the changes that occur in it's physical environment.
disadvantages of normal floras
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Answer:Ahhsjjsnsjsjsjkekdjnsksks
Explanation:
hshsjjsjswk!
a research about carnivorous plants consists of what information?
Answer: about how they grow and diet and how they do it by it I mean what they do for the process of eating it
Explanation:
true or false. during aerobic respiration, ATP is destroyed
Four students described the characteristics of four different states of matter. The table below shows the description given by each student.
Description of States of Matter
Student Description
Timothy Takes the shape of the container
Amelia Charged particles moving independently in large space
Jack Particles arranged in a fixed lattice
Derrick Takes the entire space available
Who described gases?
Timothy
Amelia
Jack
Derrick
Answer:
A.
Explanation:
Liquid particles are close enough but not too tightly packed like solids.
Solid particles are tightly packed so that they can't move.
Gas particles move randomly.
They constantly collide with each other. This type of motion is called Brownian Movement.
Answer:
derrick
Explanation:
it was derrick I tried Amelia and it was wrong
Which type of isolation is being described: Yellow butterflies breed during the summer season while red butterflies breed during the winter season, because of this, they cannot interbreed
temporal isolation
geographic isolation
behavioral isolation
By stating that "Yellow butterflies breed during the summer season while red butterflies breed during the winter season" we are referencing a form of temporal isolation.
Temporal isolation is one of the limiting factors for sexual reproduction between closely related species. Temporal isolation refers to the situation in which two closely related species cannot interact sexually with one another due to the timing of their respective mating events.
The question states that the yellow butterflies will breed during the summer season, whilst the red butterflies breed during the winter. Normally, species like this are closely related enough to allow interspecies breeding to take place and create a new species or simply diversify the existing ones. However, due to the distinct timing of the breeding cycles for each butterfly, they will not be able to breed with one another, which is a prime example of temporal isolation.
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What is the process by which food is broken down to release energy?
Answer:
Respiration
Respiration:- It is the process by which food (glucose) is broken down in the cells of the body with the help of oxygen to release energy. Since respiration takes place in the cells of the body, it is called cellular respiration.
Explanation:
have a beautiful day ahead
Answer:
Explanation:
Answer is : respiration
Can someone help me please!!!
Answer:
take the photo of full question
I can't understand
Question 7
How many thin filaments are on each end of a sarcomere?
Answer:
Notice that in regions where the thick and thin filaments overlap, each thick filament is surrounded by six thin filaments and each thin filament is surrounded by three thick filaments. A sarcomere consists of more than just contractile and regulatory proteins.
Which of the following is a correct difference between RNA and DNA?
1. RNA is single stranded and DNA is double stranded
2. RNA is double stranded and DNA is single stranded
3. DNA uses Uracil and RNA uses Thymine
4. RNA has deoxyribose and DNA has ribose
Answer:
Chupapi munyano
Explanation:
Answer:
The answer is A. RNA is single stranded and DNA is double stranded
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Every fall many people put leaves that have fallen from local trees on their gardens. By the following summer, many of these leaves seem to have disappeared.
What happened to them?
metabolic water is one way human beings excrete water every day
True or False
Which of the following correctly orders events during mitosis?
a) Microtubules organize the chromosomes. The nuclear membrane dissolves. The mitotic spindle attaches to chromosomes.
b) The nuclear membrane dissolves. Microtubules organize the chromosomes. The mitotic spindle attaches to chromosomes.
c) The nuclear membrane dissolves. The mitotic spindle attaches to chromosomes. Microtubules organize the chromosomes.
d) The mitotic spindle attaches to chromosomes. Microtubules organize the chromosomes. The nuclear membrane dissolves.
The answer option which correctly orders events during mitosis is: D. The mitotic spindle attaches to chromosomes. Microtubules organize the chromosomes. The nuclear membrane dissolves.
Mitosis can be defined as a type of cell division (duplication) through which a single or one (1) parent cell produces two (2) genetically identical daughter cells.
In Biology, duplication division refers to a process in which two (2) genetically identical daughter cells produced by one (1) parent cell have the same number of chromosomes as their parent cell.
Furthermore, the correct order (sequence) of events during mitotic division in living organisms include the following:
1. The mitotic spindle (spindle fibers) of microtubules attaches to chromosomes.
2. The chromosomes found in a sex cell are organized by microtubules.
3. The nuclear membrane is then dissolved.
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Answer: it is b
Explanation:
why would a species go a long time without changing?
answer
nearly all of these species are known as “living fossils” because they have not evolved too far from their original forms.
a __ error occurs when sister chromatids fail to separate properly during meiosis. a)frameshift b)disjunction c)nondisjunction d)genetic
What aspect of a muscle cell allows
movement in the body?
A. its shape is short and blunt
B. fibers within the cell move back and forth allowing the
cell to stretch and shrink
C. there are no organelles which allows it to move easier
B is the answer
muscle cells are usually long and have many fibers that can contract and relax.
I'm 100% sure about my answer because I just learned about it :)
The aspect of a muscle cell allows movement in the body is fibers within the cell move back and forth allowing the cell to stretch and shrink. Thus option B is correct.
What is muscle cell?Muscle cell is defined as a unique animal cell that can shrink in size by utilizing a number of motor proteins that have been strategically placed inside the cell.
The cells that make up muscle tissue have the unique capacity to shorten or contract to cause movement of the bodily components.
There are three types of muscle cells.
Cardiac muscleSmooth muscleSkeletal muscleProtein filaments found in muscle cells slide across one another to create muscular contraction.
The configuration of these filaments gives skeletal and cardiac muscle their banded look.
They have a large number of mature mitochondria that supply the energy for muscular contraction.
Thus, the aspect of a muscle cell allows movement in the body is fibers within the cell move back and forth allowing the cell to stretch and shrink. Thus option B is correct.
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Aside from oxygen, what else is produced by the light reaction of
photosynthesis? *
*
Answer:
water
Explanation:
To prevent the plant fro drying