A blender can be used to break up the strawberry tissue in the homogenization step, because the strawberry needs to be macerated so that the chemicals used for extraction reach all of its cells more easily.
What cell structures were disrupted in the strawberry experiment?The solution for extracting DNA, also known as the lysis solution, is so named because of its function in disrupting the plasma membrane and other membranes.
With this information, we can conclude that a blender can be used to break up the strawberry tissue in the homogenization step, because the strawberry needs to be macerated so that the chemicals used for extraction reach all of its cells more easily.
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Explain how differences in protein structure allow one protein molecule to recognize another protein molecule.
Answer:
The R group and chemical nature of each group restless in attractions and repulsions of certain amino acids
The drawings below represent two cell types from a rat. The adipocyte is a fat cell, and the astrocyte is part of the central nervous system.
(picture)
Which of the following best explains why the two rat cell types are different?
Choose 1 answer:
(Choice A)
Because the cells have undergone mitosis, the adipocyte and the astrocyte contain different genes.
(Choice B)
Because of differential gene expression, the adipocyte and the astrocyte produce different proteins.
(Choice C)
Because the cells are the result of a fertilization event, the adipocyte and the astrocyte contain different chromosomes.
The statement 'due to differential gene expression, the adipocyte and astrocyte produce different proteins' explains why the two rat cell types are different.
What is gene expression?Gene expression can be defined ad the differential process by which certain genes are transcribed in one cell type.
Gene expression leads to cellular specialization to perform specific works in the multicellular body.
Gene expression is a fundamental process for the development of multicellular organisms.
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What chemicals are in H20?
Answer:
Hydrogen and part oxygen
Explanation:
Water is composed of these two which makes the symbol H20
Your skin has natural sunscreen properties in the tropics but reduced UV absorption outside the tropics, leaving you susceptible to developing rickets or osteoporosis. You have ______ skin color.
Answer:
it should be a pale skin
Explanation:
Answer:
tan skin
Explanation:
Your skin has natural sunscrees properties in thr tropics but reduced UV absorption outside the tropics,leaving you susceptible to developing rickets or osteoporosis.you have tan skin colorSelect all that apply
Which statements apply to glycolysis?
Happens only in animal cells
Splits a glucose molecule into pyruvic acid
Occurs in all living things
Occurs without oxygen present
Answer:
Splits a glucose molecule into pyruvic acid
Occurs in all living things
Occurs without oxygen present
glycolysis can happen in plants too
Proteins that react specifically with the chemical structures in the antigen that induced them are called.
Answer:
Proteins that react specifically with the chemical structures in the antigen that induced them are called. Antibodies.
Explain how and why water travels through the four Earth systems as it moves through the water cycle.
Explanation:
It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow. Water in different phases moves through the atmosphere (transportation).
what is the substance that makes up the cell wall
The cell wall is composed of a network of cellulose microfibrils and cross-linking glycans embedded in a highly cross-linked matrix of pectin polysaccharides
Cellulose, hemicellulose, polysaccharides and pectic substances
Which roles are played by calcium ions in coordinating the activation of a muscle by motor neurons?.
Answer:
your answer would be b
Explanation:
Short speech on earth day for Grade 2
Answer:
Earth is one of the eight planets of our planetary group that rotates around the sun.
Earth is the main known planet that upholds life in the whole planetary group.
World Earth Day is commended on the 22nd of April consistently. It is to increment public attention to the Earth's economical climate.
World Earth Day features the significance of ecological assurance for the endurance of life.
It is accepted that the Earth should be 4.5 billion years of age.
Right around 70% of the outer layer of the Earth is covered with water. Thus, it is known as a blue planet and an extraordinary planet.
Earth has an air holding back 20% of the oxygen that aides in the endurance of living creatures.
Gases like oxygen, carbon dioxide, and nitrogen in the Earth's environment assist plants with developing.
Earth is spheroid in shape. It is critical contrasted with different planets like Mercury, Mars, Neptune, Pluto, and Venus.
Earth finishes its circle around the sun in 365 days. In such a manner, it makes a jump year once in four years.
In multiple sclerosis, the myelin sheaths around the axons of the brain and spinal cord are damaged and demyelination results. How does this disease manifest at the level of the action potential
Answer:
Action potentials move more slowly along the axon
Explanation:
it would help you, I think
A cell membrane is very specific about what it allows across. How does this
help the cell?
OA. Transport proteins allow only enzymes to pass through the
membrane.
B. The cell works better when it contains fewer proteins.
C. It helps the cell absorb as many different molecules as possible.
OD. It is better for the cell if most molecules are prevented from
entering.
SUBMIT
Answer:
OA
Explanation:
because it's selectively permeable
When a few individuals start a new colony it most likely results in.
Answer:
Founders Effect
Explanation:
Occurs when a few individuals start, or found a new population. by chance, allele frequencies of the founders maybe different from allele frequencies of the population they left.
What happens if the use of groundwater exceeds the rate of replenishment?.
Which process in the nitrogen cycle releases nitrogen gas into the atmosphere?.
Answer:
Denitrification completes the nitrogen cycle by converting nitrate (NO3-) back to gaseous nitrogen (N2). Denitrifying bacteria are the agents of this process. These bacteria use nitrate instead of oxygen when obtaining energy, releasing nitrogen gas to the atmosphere
Asthma narrows airways to the lungs and in the lungs by contraction of muscles around the air passages, swelling of the airway lining, and build-up of excessive mucus. Because of this, asthma makes both the ___________ and ______________ systems work harder to deliver oxygen to the cells throughout the body. A) respiratory; nervous B) respiratory; muscular C) respiratory; digestive D) respiratory; circulatory
true or false
the chromosomes of the body cells are paired?
Answer:
The answer is True.
Explanation:
We have 23 paired chromosomes.
Answer:
True
Explanation:
Because, all chromosomes of body cells are found in pairs.
According to the __________ perspective, personality is primarily determined by one’s genes. a. psychodynamic b. biological c. psychoanalytic d. humanistic
The complete statement is "According to the biological perspective, personality is primarily determined by one’s genes" This is further explained below.
What are genes?Generally, genes are simply defined as the biological fundamental unit of heredity that resides in a certain position on a chromosome.
In conclusion, biological personality is primarily determined by one’s genes.
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Answer: b. biological
Explanation: trust me
Six layers of gray matter on top of a layer of white matter would describe: the limbic cortex. the basal ganglia. the neocortex (also known as the cortex). the cingulate cortex.
Answer:
the neocoretex
Explanation:
from wikipedia "The neocortex, also called the neopallium, isocortex, or the six-layered cortex, is a set of layers of the mammalian cerebral cortex involved in higher-order brain functions such as sensory perception, cognition, generation of motor commands,[1] spatial reasoning and language.[2] The neocortex is further subdivided into the true isocortex and the proisocortex."
Consuming ______ in amounts slightly higher than the RDA may help preserve muscle and bone mass in aging adults.
Consuming Protein in amounts slightly higher than the RDA may help preserve muscle and bone mass in aging adults.
What is protein?Protein is a complete substances that occur in nature and it consists of many Ami o acids bonded together by peptide bonds. Proteins occur in all living organisms and include many essential biological compounds such as enzymes, hormones, and antibodies.
Sources of protein include milk, meal,beans, eggs and so on.
Protein help to build and repair body muscles.
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Because the walls of veins have ______ compliance, they can accommodate a relatively ______ volume of blood with a relatively ______ increase in internal pressure.
Because the walls of veins have high compliance, they can accommodate a relatively large volume of blood with a relatively small increase in internal pressure.
What are veins?Veins are specific blood vessels of the circulatory system that transport deoxygenated blood to the hearth.
Vein blood vessels have high compliance to increase the volume of blood cells that can be transported.
During this process, the internal pressure of the walls in the vein blood vessel is minimized.
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The number of individuals of a population in a specific area is: a. carrying capacity c. limiting factor b. population density d. population capacity Please select the best answer from the choices provided A B C D
Answer:
The correct answer is B: population Density
Lichens breaking down rock into
usable soil occurs in which
type of
succession?
A. primary
B. aquatic
C. tertiary
Answer:
A. Primary
Explanation:
When lichens die, they decompose, adding small amounts of organic matter to the rock to make soil.
In which part of the brain is body temperature regulated?.
Demonstrate how you will use Newton’s law to determine the gravitational force between the sun and any other planet and to explain why a planet’s speed changes with distance.
What evidence from the video supports this claim?
(Earth Science)
Answer:
Hi mate
Explanation:
From Newton law of GRAVITATION
Which sates
Every body in this universe attract every other body with a force that is directly proportional to product of there masses and inversely proportion to square of distance between their center
So from here we came to know that
[tex]f = \frac{m \times m}{ {r}^{2} } \times g [/tex]
Here G is universal constant of gravitation
From this formula we Can determine the force of attraction between two body
I only know about this question
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Why do you think scientists use all three kinds of evidence (embryonic, anatomic, and genetic) to determine relationships between organisms to see if ducks and platypus are related.
Scientists use all kinds of evidence in order to make sure that their claims are true.
If there were 10 bases of thymine in one strand of a model of dna , how many adenine bases would there be in the complementary strand? 0 1 5 10
If there were 10 bases of thymine in one strand of a model of DNA, there would be 10 adenine bases on the complementary strand.
What is DNA pairing?DNA is a biological molecule made up of monomers called nucleotides.
The nucleotides that make up the DNA are as follows:
Adenine ThymineCytosineGuanineIn the DNA molecule, Adenine pairs with Thymine while Guanine pairs with Cytosine. This means that the number of A will equal T while the number of G will equal C.
Therefore, If there were 10 bases of thymine in one strand of a model of DNA, there would be 10 adenine bases on the complementary strand.
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The leaves of a new species of plant are variegated--that is, striped green and white. Scientists
studying the plant decided to test the leaves for sugar. Green and white regions of the leaf are tested
separately. Only the green portions of the plant test positive for sugar. What is the correct conclusion?
a. Respiration is occurring in the white areas of the leaf.
b. Respiration is not occurring in the green areas of the leaf.
c. Photosynthesis is occurring only in the green regions of the leaf.
d. Photosynthesis is not occurring in the green regions of the leaf.
Who is father of biology
Answer:
Aristotle is considered the father of biology...
The most effective sites for self-stimulation for reward are along the trajectory of the ______________ axons arising in the ventral __________ area and projecting to the forebrain.
Answer:
The answer is dopamine, tegmental
Explanation:
The most effective sites for self- stimulation for reward are along the trajectory of the Dopamine axons airising in the ventral Tegmental area and projecting to the forbiden.