Answer: Craig Venter was a geneticist who led the first draft sequence of the human genome.
Experiment 1: Cell size and rate of diffusion
For this lab, you will make three "cuboidal cells" with the dimensions below:
1 cm
cm
2 cm.
Prediction:
2 cm
2 cm
Dom
3cm
3cm
You will place each of the three cells in a solution that will be called cell media. This media contains the
nutrients the cell needs to survive. The media must reach all portions of the cell interior in order for proper
cell function.
Question: In a ten-minute time period, which cell will allow for maximum diffusion of the media to all
portions of the cell? (Please, don't answer this question; it will be answered using data from the
experiment simulation. Remember we are following the scientific method.)
1. Based on the question above, formulate a hypothesis and prediction for this experiment: (4 pts)
Hypothesis:
What would the hypothesis and prediction be of this experiment
Answer:
well this is very simple just add 2
Explanation:
Atrazine is an herbicide that prevents plant growth by inhibiting photosynthesis. Atrazine works by binding to proteins in the electron transport chain of photosystem II. Once atrazine binds to the proteins, electrons can no longer travel down the chain to reach photosystem I.
Based on this information, how does atrazine stop plant growth?
A.
It prevents water from releasing oxygen, which is needed by the light-dependent reactions to fix carbon.
B.
It prevents the formation of NADH and FADH2, which are needed by the light-independent reactions to fix carbon.
C.
It prevents chlorophyll from creating electrons, which are needed by the light-dependent reactions to make sugars.
D.
It prevents the formation of ATP and NADPH, which are needed by the light-independent reactions to make sugars.
It prevents the formation of ATP and NADPH, which are needed by the light-independent reactions to make sugars. Thus, the correct option is D.
The herbicide atrazine binds to the D1 protein and prevents plastoquinone from binding. By preventing plastoquinone from binding, the photosynthetic transport of electron is disrupted, putting the generation of ATP and NADPH in the chloroplast at risk.
What are herbicide?
Herbicides are chemicals that are used to control or manage unwanted vegetation. Herbicides are most commonly used in row-crop farming, where they are treated before or during planting to increase crop productivity while reducing other vegetation.
This results in the plant's inability to fix carbon dioxide and provide the nutrients it needs to survive. A halt in electron transmission causes oxidative stress and the generation of radicals, which leads to rapid cellular death.
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A table tennis ball is made of plastic and has air inside it. While playing table tennis, Nakul
accidentally stepped on the ball and it was dented as shown below.What can Nakul do to restore the ball to its original shape?
A. heat the ball in hot water
B. cool the ball in the freezer
C.press the ball hard from the other side
D. bounce the ball on the floor multiple times
Type your response in the box.
Cell theory states that all living things contain one or more cells. Why do you think cell theory meets the definition of
a scientific theory? Do you think it should be a scientific law? Explain your response.
Answer:
In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells
What is a law?
A. a scientific explanation for a set of
observations that can be tested
B. a proven, universal truth that states what
happens
C. a well-tested explanation as to why
something occurs that is generally accepted
D. an assumption made about an experiment
Alicia wants to model allopatric speciation for her science project. She
has a population of ants to use as her model. What should she do to
the ant population?
A introduce another species of ants to her population
B
introduce a new food source to part of her population
C
place a wall in their habitat that divides the population
D
remove the water source from the population
Answer:
A introduce another species of ants to her population
Explanation:
^^^
what is the difference between an epithelial cell and a cardiomyocyte
The heart is the main pumping organ of the body. The human heart is divided into four chambers two atria and two ventricles. The human heart consists of three layers- epicardium, myocardium, and endocardium.
The middle layer of the heart (myocardium) consists of cardiomyocytes or muscle cells. These cells receive nerve stimulation from the atrioventricular nodes and sinoatrial nodes.
What are Epithelial cells?Epithelial cells form a layer structure which covers most of the surfaces of the body. These cells perform a variety of functions and exhibit different shapes, size and arrangement which makes up different tissues. For example columnar tissues (column-like cells), cuboidal tissues (cube-like cells) and others.
Thus, this could be the answer.
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Which of the following contributes to antibiotic
resistance?
A- giving antibiotics to livestock
B- taking multiple antibiotics at the same time
C- going to the doctor when an infection appears
Taking multiple antibiotics at the same time contributes to antibiotic resistance. Thus, the correct option is B.
What is Antibiotic resistance?Antibiotic resistance may be defined as a process or strategy of microorganisms that generate the capability to conquer the drugs developed to annihilate them.
Overprescription of multiple antibiotics increases the ability of bacteria or other microorganisms to survive in harsh little conditions. Still, slowly they evolve themselves and resist the situation of the high effect of antibiotic resistance drugs.
Therefore, it is well described above.
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A change in speed and direction of the wind at different altitudes in the same
column of air is called
______________. (2 words)
Answer:
a wind shear
Explanation:
Answer:
The answer is wind shear
Which of the following organelles is common to both prokaryotic and eukaryotic cells?
A.
Cytoskeleton
B.
Nucleus
C.
Nucl
Answer:
A) Cytoskeleton
Explanation:
The cytoskeleton is a network of fibers extending through the cytoplasm that provides. mechanical support and maintains the cell's shape.
An object moving at a constant velocity will always have a
negative displacement
negative acceleration
zero acceleration
zero displacement
Answer:
option C or zero acceleration
Explanation:
the reason why I say zero acceleration is based on the detonation of acceleration
Acceleration means change in velocity so if there is no change in velocity there is no acceleration or change in velocity
Which substance completes passive transport and facilitated diffusion
Answer: Facilitated diffusion therefore allows polar and charged molecules, such as carbohydrates, amino acids, nucleosides, and ions, to cross the plasma membrane
Explanation:
hope it helps;)
Why do individuals who are anemic generally not exhibit an increase in respiratory rate or tidal volume, even though their blood is not carrying enough oxygen?
The amount of oxygen that dissolves in the blood in the lungs' alveoli is unaffected by
What important cellular process produces water molecules as it breaks down glucose in the presence of oxygen
Answer:
Glycolysis
Explanation:
What happens at the end of the dark reactions?
Answer: Glucose is the end product of the dark reaction.
Explanation:
Question 6 of 10
Which is an example of how ecosystems on Earth affect each other?
1) Worms reproduce in soil in grassland ecosystems.
2) Deforestation of rain forests harms other ecosystems.
3) Lions get energy from the primary consumers they hunt.
proteins that coat the surface of red blood cells are called
The surface of the human red blood cell is dominated by a small number of abundant blood group active proteins. The major proteins are the anion transport protein (band 3) which has AB(H) activity, and Glycophorin A which has MN activity.
A small number of abundant blood group active proteins dominate the surface of the human red blood cell. Proteins that coat the surface of red blood cells are called antigens.
What are red blood cells?Red blood cells, also known as red cells, red blood corpuscles, haematids, erythroid cells, or erythrocytes, are the most common type of blood cell and the primary means of delivering oxygen to the body tissues of vertebrates.
A small number of abundant blood group active proteins dominate the surface of the human red blood cell. Proteins that coat the surface of red blood cells are called antigens.
Thus, the proteins that coat the surface of red blood cells are called antigens.
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name the tissue responsible for transporting water mineral salts and food in plants
Answer:
Xylem, plant vascular tissue that conveys water and dissolved minerals from the roots to the rest of the plant and also provides physical support.
Explanation:
Xylem tissue consists of a variety of specialized, water-conducting cells known as tracheary elements.
Hope it helps!
Answer:
xylem is the tissue responsible for the transportation of water, mineral salts.
Question 1 (3 points)
Mark all substances found in blood plasma.
A) lymphocytes
B) electrolytes
C) water
D) fibrinogen
E) eosinophils
A D E
Explanation:
Got it right on edge 2022
Which is best illustrated by Watson and Crick's ball-and-stick model of DNA?
the importance of sticking to established methods of science
the role of creativity in scientific discovery
the value of individual scientists working independently from one another
the importance of carrying out procedures that can be replicated
Answer:
D: the importance of carrying out procedures
Answer:
B. the role of creativity in scientific discovery
Explanation:
i got it right
Describe the hearing process
So to put this in a question, I would rephrase it to:
How does hearing work?
It's a little tough to ELI5 without using using the names of the particular organs but here goes:
Sound is nothing more than a wave of air pressure. In other words, it fundamentally involves changing degrees of energy-based air pushing and tugging. Additionally, it is because to this that sound cannot travel in a vacuum. When these waves reach your ear, they first come into contact with the "tympanic membrane," which vibrates and transmits these vibrations to the malleus, incus, and stapes, three small bones (Latin for hammer, anvil, and stirrup).
The waves will subsequently be transmitted via the bones' vibrations to the "cochlea," a spiral-shaped organ filled with fluid. The air pressure wave has so undergone many transformations at this point. Air pressure was followed by mechanical vibrations and is now "fluid pressure." The spiral-shaped cochlea is lined with neurons all the way around. Depending on the fluid pressure waves' intensity, frequency, etc., the cochlea will have to travel a particular distance. Based on these fluid waves, these neurons will then activate, sending information to your brain.
Your brain then decodes these messages to produce the "sound" that you hear. Although I'm not convinced this is the greatest ELI5, this is the main idea.
In essence, your ear works as follows:
Air pressure waves enter the ear, transform into mechanical vibrations, transform into fluid pressure waves, which signal neurons and cause those neurons to fire electrical impulses that communicate with the brain the sound you are hearing.
Cheers,
ROR
Answer:
Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus, incus, and stapes.
hy Sophie pl z mark me as brainlist ✌ xd
What does the term temperature control refer to
1-the oven temperature recommended in a receipe
2- maintenance proper room temperature inside the dining area
3-the temperature required for maintaining food safety
4-the temperature control dial in the freezer
Temperature control refers to the temperature required for maintaining food safety (option '3')
what is temperature?
Temperature can be defined as a measure of how hot or cold something is; strictly, a measure of the average kinetic energy of the particles in an object, which is also a type of energy that is involved with motion.
What is food safety?
Food safety refers to routines that are involved in the preparation, handling and storage of food meant to foodborne diseases and injuries. it can also means the prevention of food contamination prior that will be released to the consumer.
What is importance of food safety?
Food safety is important as it helps to protect consumer from the risk of food borne illnesses. It is essential to prevent consumers from risks of health –related conditions such as allergy and even death.
What are some of the food safety rules:
keep clean, separate raw and cooked, cook thoroughly, keep food at safe temperatures, and use safe water and raw materials.learn more about food safety here:
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How many people world-wide generally die during the flu season?
10 Million
20 Million
30 Million
40 Million
Answer:
10 Million because the world wide is generally in flu season and its danger
The mitochondrial DNA sequence that is shared by two species has a steady mutation rate. Scientists determine the sequences of these two species to be as follows
Species A: CAGGCCATTATG
Species B: CCAGCCTATAGG
Based on this information, which of the following best explains the difference in the DNA sequence between the two species?
A) Species A and B probably share the most recent ancestor because they only differ by three mutations.
B) Species A and B have fewer differences between DNA sequences means that fewer mutations occurred.
C) Species A and B probably have distinct ancestors because they have many differences in mutations.
D) Species A and B are closely related because they differ by five mutations in their DNA sequence.
It is expected that Species A and B have distinct ancestors because they have many differences in mutations (Option C).
What is the mutation rate?The mutation rate makes reference to the number of mutations that appeared in a given nucleotide sequence in a given period of time.
In this case, sequences from Species A and B have 5 mutations and aligned sequences have only 12 nucleotides, which is a considerably high mutation rate to share a common origin.
Nonetheless, information about divergence times might be helpful to determine the origin of these sequences.
In conclusion, nucleotide sequences of Species A and B exhibit many mutations and therefore they do not have the same evolutionary origin (Option C).
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Cognitive-behavioral therapy for depression is:
a. less effective than drug treatment alone.
b. just as effective as drug treatment alone.
c. counterproductive if used in combination with drug treatment
d. only productive if used in combination with drug treatment.
Answer:
less effective than drug treatment alone.
which of the following is an enzyme required by the process of rephosphory,to create ATP? A) AD Pase B)AT Pase C)Polymerase D)AT synthase ?
ATPase is the enzyme which is required to create ATP and is denoted as option B.
What is ATPase?This type of enzyme is found in the mitochondrion and catalyzes the formation of ATP which provides energy to cells.
The ATP which is referred to as adenosine triphosphate is formed from the molecules known as ADP and inorganic phosphate which are present in the body cells. This ensures that the daily energy needs of the body are met.
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Reasons for preserving biodiversity include all of the following except
isolating unique genetic material so it can be incorporated into existing crops.
O finding new plants that can supplement the world's food supply.
increasing the chances of discovering organisms with medicinal value.
O preventing natural evolution
Answer:
Preventing natural evolution
What is the main difference between the null and the research hypothesis? What is the importance of assuming the null hypothesis is true?
Answer:
The null hypothesis is a general statement that states that there
is no relationship between two phenomenons under
consideration or that there is no association between two groups.
A hypothesis, in general, is an assumption that is yet to be proved
with sufficient pieces of evidence.
What are areolar tissues?
Explain with the help of diagram ( optional)
Answer:
cellular connective tissue with thin and relatively sparse collagen fibers.
Explanation:
Hope it Helps!!!
The type of tissue which connects and surrounds different organs in the human body. The important function of this type of tissue is that it provides nutrition to the cells and also acts as a cushion to protect the organs from various external forces.
Hi i just need a topic for essay SBI4U(Biology 12) thank you:)
Answer:
cellular respiration
Explanation:
easy and good
