a carbohydrate 7 monomers long has how many glycosidic bonds?
A. 1
B. 2
C. 3
D. 4
E. 7
Answer:
b. 2 is the answer to ur question
An invasive species has been introduced to a pond, using up many resources and resulting in the decline of several pond species.The same invasive species is introduced into the ocean. What is the most likely impact on ocean biodiversity?
The most likely impact on ocean biodiversity is very little because the ocean is large and has high biodiversity.
What is an invasive species?An invasive species is a species that colonized another environment generally due to human activities.
In this case, it is expected that ocean biodiversity doesn't not suffer changes due to the removal of the invasive species (it is not adapted).
In conclusion, the most likely impact on ocean biodiversity is very little because the ocean is large and has high biodiversity.
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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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I need help with this. The question is: Define Evolution and Natural Selection
Answer:
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations
In the human nervous system, what is the gap between neurons called?
OA. Action potential
OB. Nerve impulse
OC. Synapse
OD. Interneuron
SUBMIT
Which of the following describes what might happen with a sudden increase in precipitation in the grassland biome?
Rise in drought-tolerant plants
Salt and sediment deposition
Decline in severe storms
Nutrient loss and soil erosion
Answer
Nutrient loss and soil erosion
Explanation:
When the body is attacked by a foreign substance, the _____ defenses are the first to react.
specific
nonspecific
B lymphocyte
T lymphocyte
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:
2. What procedure did you use to complete the lab? Outline the steps of the procedure in full sentences. Virtual Lab: Water Erosion
The procedures that can be used to perform water erosion laboratory practicals are:
The use of detachmentTransportation Deposition.What is Water Erosion?This refers to the biological process where rock particles are broken down into smaller particles and how they are removed by water.
Hence, we can see that in a laboratory experiment, one would need different apparatus such as:
PitchersBottlesSoilWater, etc.This would be used to test the loss of water as it is put into the soil from the set of bottles to see how much the water is retained.
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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.
In a quadrat that is 0.5m along each side, you count 3 daisy
plants and 25 grass plants. The whole lawn you are sampling
is 5m long and 4m wide. Calculate the number of daisy plants
and grass plants in the whole lawn. Show your working
clearly.
Answer:
Interdependence is a key concept in ecology. Whilst this can be taught theoretically, some practical fieldwork greatly enhances pupils’ understanding. Almost certainly the fieldwork would entail looking at plant abundance and distribution and, of course, some work with quadrats!
A quadrat is a simple device for marking out a small area. For young children at primary school the quadrat is often a convenient way of focusing a pupil’s attention on a particular small area. At secondary level, pupils should understand how quadrats can be used to sample a larger area. By recording information from a number of quadrats placed within a larger study area, they can obtain a representative sample of the whole area, which may be too big to describe in full.
This article describes how quadrats can be used to help pupils at lower secondary level estimate the relative abundance of plant species. All the information given here refers to frame quadrats. (Point quadrats can be tedious and difficult for pupils to use and are probably best avoided at this level.
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
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
How many cells do you see in total? And also how many cells are in different stages? Interphase metaphase … etc
Answer:
...
Explanation:
iwineuvriwbdirbeiehh
if there is an apple logo your more likely to run what type of operating system
is there is an Apple logo on your computer you're more likely to be running on what type of operating system
Answer:
macOS
Explanation:
A Windows logo means you are running Windows, while an Apple logo means you are running macOS. If you have determined that you are running Windows, there are many methods to determine your specific operating system, not all of which are listed here.
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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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
I need help with this. Picture is above and the questions are
1. Which cancer type is most common? Least common?
2. Which cancer type seems to be least treatable? Most treatable?
3. Provide a possible explanation as to why the incidence of basal and squamous skin cancer is so high.
4. Using breast cancer as an example, calculate the percentage of survival for this cancer type.
1. Breast cancer is the most prevalent type of cancer on the list, with 290,560 new cases anticipated in the US in 2022. Prostate cancer and lung cancer are the next most prevalent malignancies.
What is cancer?Cancer is a condition when a few of the body's cells grow out of control and spread to other bodily regions. Since the human body contains billions of cells, cancer can develop practically everywhere.
2. Skin cancer: More people than any other type of cancer develop skin cancer. Additionally, it has the highest rate of recovery from cancer. According to the American Academy of Dermatology, the survival rate for skin cancer is about 100% if it is found early.
3. As people age, their risk of developing basal and squamous cell skin cancer increases. This is most likely due to the accumulation of solar exposure over time. However, younger people are also developing these cancers at an increased rate, most likely as a result of their increased exposure to the sun.
4. 95.5 is the survival rate in in the breast cancer.
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Water conducts heat away from your body 15 times faster than air does.
true or false?
Answer:
TRUE
Explanation:
Because air is more flammable than than water since a water is not running that is it is stagnant and is not that harmful and also a liquid
short lived factories for antibodies that attack the original antigen are called?
The fundamental unit of life
[tex] \huge\mathfrak\blue{Cell}[/tex]
is the fundamental unit of life.
What is the independent, dependent, and controlled variable in this experiment if you only drop water onto the penny? Experiment: How many drops of water can a penny hold?
0 because its a penny
Explanation:
What is the identity of element Y? C B Na S
Answer:
C-carbon
B-boron
Na- sodium
S-sulfur
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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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:
^^^
Please help!! Will mark brainiest!
The process of accumulating higher and higher amounts of a toxic material such as mercury or PCBS within the body of any animals is called?
1. biological resistance
2. biological half-life
3. bioaccumulation
4. biological demagnification
Answer:
Bioaccumulation
Explanation:
Bioaccumulation is the of accumulation of harmful chemicals.
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.
7. Identify 3 adaptations that result in aerobically trained individuals having greater SV compared to
untrained individuals (I just need 3 adaptations listed). Please and thank you for your help in advance
Greater force of contraction, volume of blood ejected, and cardiac output result in aerobically trained individuals with greater stroke volume compared to untrained individuals
What increases stroke volume?A greater force of contraction consequently increases the volume of blood ejected with each systole (Systolic Volume). Increasing the stroke volume also increases, as a consequence, the cardiac output (CO = VS x HR).
With this information, we can conclude that greater force of contraction, volume of blood ejected, and cardiac output result in aerobically trained individuals with greater stroke volume compared to untrained individuals
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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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