Explanation:
A lack of blood flow determines the number of cell layers that can survive when they are transplanted. ... A lack of blood flow determines the amount of time a tissue can be kept alive in culture.
Do humans have DNA or RNA in the nucleus of your cells?
Answer:
Explanation:
RNA molecules are produced in the nucleus of human cells from DNA by a process called transcription, but they are found in the cytoplasm too. DNA is present only in the nucleus of the cell.
Q1:
A male child with wavy hair is born to a mother with curly hair and a father with straight hair.
Which type of inheritance best explains the child’s hair type?
A
codominance because the child’s hair type is a blend of the parental hair types
B
codominance because both the male and the female carry the gene for hair type
C
incomplete dominance because the child’s hair type is a blend of the parental hair types
D
incomplete dominance because both the male and the female carry the gene for hair type
Odpowiedź:
A) codominance because the child’s hair type is a blend of the parental hair types.
Wyjaśnienie:
AA - curly hair
aa - straight hair
Aa - qualities AA + qualities aa = Wavy hair
The type of inheritance that best explains the child’s hair type is codominance because the child’s hair type is a blend of the parental hair types. The correct option is A.
What is inheritance?Inheritance is the transfer of genes and characteristics from the parent generation to the offspring. It is done in sexual reproduction. The traits of the mother and the father are transferred into the child.
Codominance is a type of inheritance in which the traits of the father and the mother get blended and a third different type of trait is shown in the offspring.
Here, the father has straight hair, and the mother has wavy hair, but the male child shows the hair is wavy hair. This shows the process of codominance in the child.
AA - curly hair
aa - straight hair
Aa - qualities AA + qualities aa = Wavy hair.
Thus, the correct option is A. codominance because the child’s hair type is a blend of the parental hair types.
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Why do you think scouts could hear better through the solid ground rather than
through the air?
Answer:
Sound travels better through solids than through air.
Explanation:
Think about being in the pool: you can hear a lot of things, albeit muffled a little. Or think about tapping a really long pole, and someone standing far away can hear the vibration or the noise while touching the pole.
Solids are more tightly packed together. Sound needs a medium to travel though, and anything with densely packed atoms is better than loosely packed. The hierarchy is solid > liquid > air. Kinda funny that we do most of our talking through air.
Out of the following, which level of organization is the most specific?
A
order
B
kingdom
C
domain
D
family
Answer:
family
Explanation:
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Which of these could be a main idea?
Answer:
this question is unnecessary to ask because you haven't provided enough information
Explanation:
A scientist examines a human cell under a microscopeShe observes the cell engulfing and killing bacteria on the slideWhat function does this cell most likely perform in a body?
Answer:
I believe it is An immune cell that defends the body.
A characteristic that an organism can pass on to its offspring through it’s genes
Answer:
hair color or eye color
Explanation:
dont know how to explain
Answer:
A trait. unless you're looking for specific traits then look at the other person's answer.
Explanation:
A trait is a characteristic passed on the the offspring
What is an anaerobic respiration
AThe process sells used to release energy from glucose and oxygen is not available
BPhysical activity that increases heart And breathing rates
C The process cells used to release energy from glucose in the presence of oxygen
D Physical activity that decreases heart and breathing rates
Answer:
A
Explanation:
Anaerobic respiration occurs when there is not enough oxygen to produce aerobic respiration.
DQ19: A pea plant must have exactly one of each of the following pairs of traits: Short (s) or tall (t); round (r) or wrinkled (w) seeds; yellow (y) or green (g) peas; and white (wh) or purple (p) flowers. For example, a pea plant can be short with wrinkled seeds, green peas and white flowers. How many different classifications of pea plants are possible
Answer:
There are 16 possible different classifications of pea plants.
Explanation:
In order to get the number of classifications, you must multiply all the possibilities by each other in each trait. This is, each trait has two states (short or tall, round or wrinkled, yellow or green, white or purple) and are referred to as "pair of traits". These must be multiplied with the other pairs of traits. So, the number of different classifications of pea plants is:
the number of high states x number of shape states x number of peas color sates x number of flower color states = 2 x 2 x 2 x 2 = 16.
A student plays football outside on a hot day and lost a significant amount of water in sweat. How will this affect his blood volume?
A.Blood volume decreases
B. Blood volume stays the same
C. Blood volume increases
Answer:
A.Blood volume decreases
Explanation:
Blood volume refers to the fluid substances including blood circulating in the body via blood vessels. The blood volume must be optimal in order to ensure that every organ in the body gets an ample amount of blood. One of the things that can result in alteration of the normal blood volume is DEHYDRATION, which is the loss of water from the body.
Dehydration decreases the blood volume because the water content in the blood becomes decreased as water is lost, which would have detrimental effects on the body because the blood pressure (force at which blood flows) will be reduced.
This is the case of the student in this question that loses a significant amount of water as sweat when he undergoes exercise in a hot weather condition. The loss of water will result in the decrement of his blood volume.
The ai in the word details make up a vowel team. The ai team makes the same sound as the a in-
A.hard
B.are
C.want
D.make
Consumers differ from producers in that unlike producers, consumers ___________.
a.
do not require energy inputs
b.
cannot make their own food
c.
make their own food
d.
cannot sense and respond to change
e.
do not pass DNA to offspring
Answer:
Consumers differ from producers in that unlike producers, consumers cannot make their own food.
Explanation:
Producers like plants make their own food not consumers like humans.
hope it helps!
Consumers differ from producers in that unlike producers, consumers .b. cannot make their own food.
Producers can make their own food and energy, but consumers are different. Living things that have to hunt, gather and eat their food are called consumers. Consumers have to eat to gain energy or they will die. There are four types of consumers:
omnivores, carnivores, herbivoresdecomposers.How do consumers differ from producers?The producers generate food for themselves and others; consumers do not produce anything, instead eating producers, other consumers or both. Organisms that eat only producers (i.e., plants) are called herbivores. Animals that eat only consumers (i.e., meat) are called carnivores.
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Match each term with the appropriate definition.
food web
predator
prey
ecosystem
_______________________
all of the living and nonliving things that interact in a particular area
a model that shows interconnected food chains in an ecosystem
an organism that kills another for food
an organism that is killed and eaten by another
Answer:
Food web --> a model that shows interconnected food chains in an ecosystem
Predator --> an organism that kills another for food
Prey --> an organism that is killed and eaten by another
Ecosystem --> all of the living and nonliving things that interact in a particular area
Answer:
I BELIVE FOOD WED
true or false: the momentum is moving planets does not depend on their masses
This is false, because plants have angular momentum, which is found by the formula (mass x velocity x distance). Therefore, mass is an important factor in a planet's momentum.
Please determine whether the statement is true or false;
In vertebrates, the central nervous system (CNS), consisting of the brain and the spinal cord, integrates information, while the nerves of the peripheral nervous system (PNS) transmit sensory and motor signals between the CNS and the rest of the body.
Which of the following is the best definition of the term genotype?
A genotype is a feature in the genes. I know this since a pheno is a physical trait while geno meaning gene is a trait in the genes that can't be seen.
The genotype refers to an organism's entire genetic makeup, including all of its inherited genes.
What is a genotype?It represents the underlying genetic information that determines the traits and characteristics an organism will have, such as eye color, height, and susceptibility to certain diseases.
The genotype is influenced by the combination of genes passed down from parents and can also be affected by mutations or changes in the DNA sequence. The genotype serves as the blueprint for an organism's development and can impact its phenotype, or observable traits and characteristics.
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which of the following words best matches this definition: The process in which the best adapted organisms survive and pass on their traits, while those that are NOT well adapted do not survive.
Answer:
Survival of the fittest
Explanation:
According to the Darwin’s theory of survival, a species can survive among its peers only when it is fit enough to adapt to the natural changes and hence remain alive till its reproductive stage in order to produce fertile offspring.
Such species which survive are known as fit species while the remaining unable to cope with changing environment die out at an early stage of life.
How the musculoskeletal and nervous system develop as a human grows
Answer:
(look at explanation)
Explanation:
The central nervous system (CNS) controls most functions of the body and mind. It consists of two parts: the brain and the spinal cord. The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement.
Explain why coloured water moved up the stalks
Answer:
water molecules like to stick together (cohesion) and like to stick to the walls of the tubes of cellulose (adhesion
Explanation:
water moves from roots to leaves. ... Because water molecules like to stick together (cohesion) and like to stick to the walls of the tubes of cellulose (adhesion), they rise up the tubes all the way from the roots to the leaves.
Water molecules prefer to attach together and to the sidewalls of the cellulose tubes via which water travels from roots to the leaves.
Water molecules in plants:Water molecules ascend up the tubes from the roots of plants because they like to adhere together (cohesion) and attach to the walls of the cellulose tubes (adhesion).
Capillary motion is what we term when water travels into small gaps like that. Because the water particles bonded to the coloring and carried it along, the color in the water travelled up into the celery with both the water in this process. Water going into a plant in nature brings nutrients from the earth with it.
Find out more information about 'Water molecules'.
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The mass of an object doubles. What happens to the gravitational force between it and another object whose mass stays the same, assuming they remain the same distance apart?
Answer is the amount of the gravitational force doubles.
I do not understand this. Can someone explain it to me? Thank you.
Answer:
When they double the force of gravity quadruple.
Explanation:
(:
What are three ecosystem services provided by biodiversity.
Answer:
food water habitat
Explanation:
When a person breathes, the nose and mouth take in oxygen-rich air, and they expel oxygen-poor air. Which statement explains the change in
oxygen concentration of the inspired air?
A The oxygen concentration decreases gradually as it passes through all organs of the respiratory system,
CB. The oxygen concentration decreases gradually as it passes through all the airways of the lungs,
OC. The oxygen concentration decreases quickly in the nose and mouth, and then remains constant as it passes through other organs of
the respiratory system,
CD. The oxygen concentration decreases only when the air reaches the alveoli, which are the terminal branches of the respiratory system,
Answer:
the oxygen concentration decreases only when the air reaches the alveoli, which are the terminal branches of the respiratory system
Explanation:
The human respiratory system is responsible for taking in oxygen-rich air, and they expelling oxygen-poor air. The respiratory system consists of lungs, which helps in the exchange of gases: Oxygen and carbon dioxide.
The statement ''the oxygen concentration decreases only when the air reaches the alveoli, which are the terminal branches of the respiratory system'' explains the change in oxygen concentration of the inspired air
The nations of the world agreed to preserve Antarctica for
A military activity
B. scientific research
C. the storage of radioactive waste
D. the expansion of their territories
Please select the best answer from the choices provided
Answer: is B scientific research.
Explanation:
When fewer visual pigment molecules are available to absorb light (for example, when a person has a color weakness), which of the following nervous system responses occurs? A.Fewer signals of the weakly perceived color are sent to the brain. B.A normal number of signals of the weakly perceived color is sent to the brain, but each signal is less intense. C.The signals for the weakly perceived color are sent to the brain via other, more plentiful, pigments. D.Light molecules stimulate the cells to make additional pigment.
Answer:
A.Fewer signals of the weakly perceived color are sent to the brain.
Explanation: the brain is the seat of nervous coordination where nerve cells sends signals for processing. An individual with a weak color means a fewer signal for color production is sent to the brain this is due to low pigment it had hence fewer pigment molecule are available to absorb light. If the pigment is high the signal sent will also be high.
explain the function of biuret protein assay
Answer:
The biuret test, also known as Piotrowski's test, is a chemical test used for detecting the presence of peptide bonds. ... The biuret reaction can be used to assess the concentration of proteins because peptide bonds occur with the same frequency per amino acid in the peptide.
Hope it'll help!
Stay safe:)
Answer:
it also known as piotrowski test
Explanation:
If we were able to artificially alter the membrane permeability of pacemaker cells so that calcium influx is blocked
Answer:
The Heart rate would decrease
Explanation:
The Heart rate is expected to decrease, as calcium influx in blocked , since the threshold membrane potential can not be reached so quickly so the action potential will take place in longer time leading to decreased heart rate.
Answer first and i will mark you brainlest.
Answer:
Melody is a rhythmic sequence of pitches that create a musical phrase or motif. A melody also consists of two parts: pitch and rhythm. We sometimes think of melodies as the vocal part of a song. However, a melody can also be the top line of your instrumental drop, a signature bass line, or even a unique vocal sample.
Explanation:
Melody is a rhythmic sequence of pitches that create a musical phrase or motif. A melody also consists of two parts: pitch and rhythm. We sometimes think of melodies as the vocal part of a song. However, a melody can also be the top line of your instrumental drop, a signature bass line, or even a unique vocal sample.
name the types of neurons that are involved in reflex action
Answer:
sensory, motor and relay. Hope this helps!
Explanation:
How do organims form carbon films
Answer:
Organisms form carbon film when sediments cover the organisms and decay of organisms form hollows.
Explanation:
Answer:
Organisms form carbon film when sediments cover the organisms and decay of organisms form hollows.
When an organism is covered by sediment, it begins to decay. When decaying, the organisms release a gas. This process in turns leaves a thin film of carbon that preserves parts of the organisms.
(Hope this helps) Sky
Use the word bank below to complete the passage below describing mitosis and meiosis. All words will be used at least once and most words will be used more than once.A) diploidB) mitosisC) meiosisD) sister chromatidsE) haploidF) homologous chromosomes1) A male giant panda has 42 chromosomes in its skin cells. This represents the _________ chromosome number. As the animal's old skin cells die and slough off, cells nearby divide through _________ to produce more skin cells. 2) Germ cells within the animal's testicles undergo _________ to replicate themselves and _________ to produce sperm. 3) The cells produced by mitosis in this panda have a _________ chromosome number and are produced after _________ are pulled apart into separate daughter cells.4) The cells produced by meiosis I in this panda have a _________ chromosome number and are produced after _________ have been pulled apart into separate daughter cells. 5) The cells produced by meiosis II in this animal have a _________ chromosome number and are produced after _________ have been pulled apart into separate daughter cells.
Answer:
1. diploid ,Mitosis
2. mitosis, meiosis
3. diploid, sister chromatids
4. haploid, homologous chromosome
5. haploid, sister chromatids
Explanation:
1. The Giant Panda has 42 chromosomes but these chromosomes exist in the form of homologous pairs therefore the Panda are diploid organisms. The somatic cells of the Panda undergo mitosis like skin cells.
2. The Germ cells are present in the testicles of the Panda which makes an exact copy of themselves by mitosis but these germ cells undergo meiosis to produce sperms.
3. The Mitotic division forms two daughter cells with the same genetic material because the sister chromatids of homologous chromosomes move to the opposite pole.
4. The meiosis I am also known as reductional division as the homologous chromosome separate and move to opposite poles during meiosis I and the ploidy changes from diploid to haploid.
5. During meiosis II, the sister chromatids of a chromosome separate and move to the opposite poles as a result of this the haploid cells are formed.
