Answer:
It produces antibodies, which stimulate a fever
Explanation:
B-cells are also known as B-lymphocytes.
Chronic lymphocytic leukemia (CLL or CLL) is a malignant disease of the blood in which lymphocytes, which belong to the white bloodline, grow uncontrollably, thrive, and form their own clones. It is the most common type of leukemia in adults. There are two types: B cell, which is much more common, and T cell, which is rarer.
Answer:
It Produces antibodies, which stimulate a fever
Explanation:
got 100%
which of the following statements about enzyme function is true
Answer:
What are the rest of the answer choices?
Your question is incomplete, please read below to find the full content.
Option C. Enzymes increase the rate of chemical reactions by lowering activation energy barriers.
Which of the following statement about enzyme or their function is true?Enzymes are globular proteins that have three-dimensional structures. They do not alter the overall change in free energy required for the reaction and they lower the activation energy to speed up the reaction. So, all of these options are right and the correct answer is D.
Which statements are true enzymes?The correct answer to this question is A) Enzymes lower the activation energy and the ΔG produced from a reaction. Enzymes act as catalyzing agents that are responsible for the faster formation of products in different biochemical reactions.
The options are missing in this question.
A. Enzyme function is independent of physical and chemical environmental factors such as pH and temperature.
B. Enzymes increase the rate of chemical reactions by providing activation energy to the substrate.
C. Enzymes increase the rate of chemical reactions by lowering activation energy barriers.
D. Enzyme function is generally increased if the three-dimensional structure or conformation of anenzyme is altered.
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Silicon dioxide (SiO2) and aluminum oxide (Al2O3) are the two most abundant compounds in the _______.
A.
universe
B.
Earth's oceans
C.
Earth's atmosphere
D.
Earth's crust
Answer:
Eath's crust
Explanation:
Silicon dioxide (SiO2) and aluminum oxide (Al2O3) are the two most abundant compounds in the Earth's crust. This explains why oxygen, silicon, and aluminum are the three most abundant elements in the crust.
The most abundant compound in the universe is water.
According to scientists, all of the bodies in the universe came from a rotating cloud of gases and dust about
billion years ago.
O 3.5
O 2.5
O 4.5
O 1.2
It's either 3.5 or 1.2
There would be more evidence spread out through space to be noticed by scientists and it seems like a stretch to go as far back as 4 billion years ago.
(I mean really? That much before the DINOSOURS died? I don't think so)
◕‿◕
Hope this helps
Miri
Which type of fossil is formed by sediments and found in sedimentary rock?
O mold of a fish
O petrified wood
• carbon film of a leaf
O preserved insect
Answer:
C
Explanation:
Trust me on this, also can I have brainlest.
Jean-Paul is racing in the Tour de France bicycle race is moving along rapidly at a speed of 15 km per hour is suddenly a strong wind begins to blow into a space walk not expect any more Forest on the pedals what will happen to Jean-Paul speed while the wind continues to blow against him
Answer: im a cat boy senpai
Explanation: meow ^^
Choose all the answers that apply.
Ground tissue
stores extra food
supports the plant
is found in plants and animals
Omakes up the majority of a plant
Dis responsible for photosynthesis
Answer:
stores extra food
is responsible for photosynthesis
supports the plant
makes up the majority of a plant
Explanation:
Ground tissues are one of the three types of plant tissues (others being dermal and vascular). They are composed of cells as follows: parenchyma, collenchyma, and sclerenchyma. These three cells that make up the ground tissues perform different functions in the plant cell.
- Parenchyma functions in photosynthesis and storage of extra food (carbohydrates) in the cell.
- Collenchyma functions in the support of young regions of the plant
- Sclerenchyma, which has the thickest cell wall, functions mainly in the strengthening/support of the plant cell.
Also, among the three tissue types in a plant, ground tissues make up majority of the plant cell.
What occurs after sunlight is absorbed by a chloroplast?
A. The light energy is used for the production of a carbon dioxide and water,
B. The light energy is converted to a glucose molecule
C. The light energy is converted to green light, giving the leaf its color.
D. The light energy is distributed throughout the cell to be used by basic cell functions.
Answer:
B
Explanation:
A cannot be true as photosynthesis requires carbon dioxide and water and uses light energy to break bonds and form oxygen and glucose
C cannot be true as chloroplasts contain chlorophyll which gives the cell its green colour by not absorbing green wavelengths of white light
D is not right as I do not believe photosynthesis is a basic function
Carbon dioxide (CO2) is released during which of the following stages of cellular respiration?
Answer:
During glycolysis carbon dioxide is released
Explanation:
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Please help!!!!!!!!!!!!!
Some organisms, such as bacteria, reproduce asexually; whereas, other organisms reproduce
sexually. Which statement correctly states why one type of reproduction is beneficial over the
other?
A. Asexually reproduced offspring are more genetically diverse.
B. Asexual reproduction produces offspring genetically different from parents.
C. Sexual reproduction can produce a large number of offspring very quickly.
D. Sexual reproduction produces organisms that are genetically diverse.
Answer:D
Explanation: A isn't right because during asexual reproduction there is no exchange of genetic characteristics thus the offsprings retain the genetic characteristics of their parents and there is no diversity.
Sexual reproduction on the other hand involves the fusion of gametes and the exchange of genetic characteristics thus the offsprings are diverse and are not identical to their parents as is the contrary in asexual reproduction.
Sexual reproduction produces organisms that are genetically diverse.
Sexual reproduction involves the combination of chromosomes from both parents. This combination of chromosomes introduces variation into the population. This combination does not occur in asexual reproduction.
Hence, the statement that correctly states why one type of reproduction is beneficial over the other is that sexual reproduction produces organisms that are genetically diverse.
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what drives a mass extinction ?
Answer:
Mass extinctions happen because of climate change, asteroid impacts, massive volcanic eruptions or a combination of these causes. One famous mass extinction event is the one that lead to the extinction of dinosaurs, 65 million years ago.
hope this helps
Cytotoxic T cells recognize and kill host cells infected by viruses. They recognize these cells by the foreign antigen displayed on the host cell’s:_________.
A. MHC I molecules
B. MHCII molecules
C. toll like receptors
Answer:
The correct answer is - A. MHC I molecules
Explanation:
Major histocompatibility complexes (MHCs) are presented to different T cells to identify the antigen on the host or infected cell. There are two MHCs - class I and class II. The class I MHC presents to cytotoxic T cells while MHC II to helper T cells.
A cytotoxic T cell only binds to the infected cell displays the foreign antigen such as viruses on the infected cell surface in order to recognize and kill the cells.
In an experiment, three plants of the same species were grown in each of six identical pots. The heights of the plants were measured when growth began. Each post was watered everyday with salt solutions of different concentrations. The data for the experiment are shown on the table
1.) state the effect of increasing the percent of salt in the solution used to water the plants on the average final height of the plants in groups A through D
2.) state one way diffusion was involved in the cause of death of the plants in groups E and F.
Answer:
See the answer below
Explanation:
1. The data from the experiment shows that as the percentage of salt in the solution used to water the plants increased, the growth rate of the plants decreased. As the percentage increased from A to D, the change between the average initial and the final heights decreased, meaning that an increase in the percentage of the salt in the solution used to water the plants had a negative impact on the growth rates of the plants.
2. Due to the solutions used to water the plants in groups E and F being more concentrated (hypertonic) to that of the cell sap of the plant, water molecules diffused out of the cell sap to the ambient solution. As time goes by, the plants lose too much water, become wilted, and died off eventually. Instead of water molecules to keep diffusing into the plants in order for them to grow, the reverse was occurring and this led to their death.
A researcher is interested in the effect of fertilizer on the numbers of flowers produced. She sets up an experiment with 4 groups of identical rose bushes. Group 1 receives 1 ounce of fertilizer, Group 2 receives 2 ounces, Group 3 receives 3 ounces and Group 4 receives no fertlizer. The plants receive the same amount of water, sunlight and humidity. She counts the number of flowers on each plant at the end of one month. What is the independent variable in the study?
a. number of flowers
b. height of plant
c. amount of water
d. amount of fertilizer
Explain the relationship between these terms. Photosynthesis, chlorophyll, thylakoids, and chloroplasts.
Answer:
Photosynthesis is the process by which plants take sunlight, carbon dioxide, and water to produce more complex molecules such as glucose and oxygen. This process is carried out cellularly in the chloroplasts. Chloroplasts are formed by thylakoid membranes where pigments such as chlorophyll are found. Chlorophyll is the pigment that captures the photons of light and activates the entire photosynthetic system through the excitation of an electron.
Answer:
Photosynthesis occurs in the chloroplasts.
Chloroplasts capture light energy.
Thylakoids can be found inside chloroplasts, where light-dependent reactions occur.
Chlorophyll is found in the thylakoids.
Chlorophyll absorbs light energy.
Chlorophyll is what makes plants look green.
Explanation:
yoink hehehehhehhehhhhhehehehehhehehhehehehehe
Answer:
yasssssssssssssssssssss
Explanation:
8. The atomic number of an element is
a) equal to the number of isotopes of that element
b) is equal to the number of protons in the nucleus of an atom of that element
c) is equal to the number of neutrons in the nucleus of an atom of that element
d) is equal to the number of particles that can be found in the nucleus of an atom of that
The correct answer is B) is equal to the number of protons in the nucleus of an atom of that element.
Explanation:
The atomic number, which is represented by the letter Z, refers to the number positively charged particles known as protons. This characteristic is key in chemistry and related areas because based on these features elements have different properties and are named. For example, an atom of nitrogen element always contains 7 protons, while one of the gold contains 79 protons. Moreover, this property is not related to the number of neutrons because atoms with the same atomic number might differ in the number of neutrons, which leads to isotopes of the same element.
Please please please please help me please
Answer:
A. Bees and Butterflies receive food while pollinating the flowers.
Lunularia cruciata is a species of plant that grows close to the ground in moist areas. It cannot grow in dry areas because it cannot transport water through its tissues.
What is most likely true about this species?
It is nonvascular.
It is vascular.
It is a flowering seed plant.
It is a nonflowering seed plant.
Answer:
it would be A: nonvascular
Explanation:
Answer:
Explanation:
a
The organic group that provides for growth and repair
Answer:
The organic group that provides for growth and repair
Explanation:
C6H12O6 + 6O2 --> 6H2O + 6H2O]\
Is the equation above balanced?
No; there are un equal numbers of each type of atom on both sides.
No; the mass of reactants and products do not equal one another.
Yes; it has equal numbers of each type of atom on both sides.
Yes; the mass of the reactants are equal.
Answer:
no
Explanation:
the carbon isnt there at all
What will most likely happen if an appropriate enzyme is added to a chemical reaction
If any appropriate enzyme will be added to the solution, then the reaction rate will increase. The correct option is A.
What is reaction rate?The reaction rate or rate of reaction is the rate at which a chemical reaction occurs, defined as proportional to the increase in product concentration per unit time and the decrease in reactant concentration per unit time.
The rate of a reaction is an extremely useful diagnostic tool. We can improve production by learning how fast products are made and what causes reactions to slow down.
This information is required for the large-scale production of many chemicals, such as fertilizers, drugs, and household cleaning products.
The reaction rate will increase if an appropriate enzyme is added to the solution.
Thus, the correct option is A.
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Your question seems incomplete, the missing options are:
The reaction rate will increase.The equilibrium of the reaction will be maintained.The reaction rate will decrease.The reaction will stop.Please help me please!!
(Picture above)
Which type of hybridization is paired correctly with the number of hybrid orbitals and their geometry?
Type of Hybridization Number of Hybrid Orbitals Geometry
A sp2 3 trigonal pyramidal
B sp3 4 linear
C sp 1 tetrahedral
D sp2 3 trigonal planar
A. D.
B. A.
C. C.
D. B.
Answer:
The correct answer is option A "D. SP2 3 trigonal Planar"
Explanation:
At the point when particles are bound together in an atom, the wave functions join to deliver new numerical depictions that have various shapes. This cycle of consolidating the wave functions for nuclear orbitals is called hybridization and is mathematically refined by the linear mix of nuclear orbitals.
The valence orbitals of a focal atom encompassed by three areas of electron thickness comprise of a set of three sp2 crossover orbitals and one unhybridized p orbital. This course of action results from sp2 hybridization, the blending of one s orbital and two p orbitals to deliver three indistinguishable hybrid orbitals situated in a tigonal planar geometry.
The diagram below shows the morphological change of two species.
Which statement explains why species 1 and species 2 are different?
Natural selection can cause gradual speciation changes.
Natural selection favors traits that can transmit through generation.It can leads to a new distinctly different species.What is natural selection?It is the process through which populations of living organisms adapt and change to new environment conditions and pass these genes to next generations.
Define speciation?It is how a new species of an organism is created.It occurs when a group within a species separates from other members of its species and develop its own unique characteristics.To know more about natural selection here
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Please help me I’m begging you please help
Answer:
d
Explanation:
because there is no rain the rabbit has no water so they die if they die foxes dont eat them so the foxes stave and die of starvation
Explain the path food takes from your plate to becoming waste.
Answer:
The digestive system takes the food we ingest, breaks it down mechanically and chemically in the mouth and stomach. It then absorbs nutrients, fats, proteins and water in the intestines before eliminating the waste through the rectum.
Explanation:
Hopefully this helped the answer is above^^^^^
The work of Charles Darwin and Alfred Wallace on the origin of the Earth's species extended the ideas of Lyell's uniformitarianism
into the biological sciences. The theory of evolution is based on the principle that the diversity seen in the Earth's species can be
explained by the
es
A)
random variation in the genetics of any population.
B)
idea that in any population, too many individuals are produced.
uniform modification of genetic traits over long periods of time.
D)
sudden change in the gene pool due to mutations within the DNA of a
given population.
Answer:
Explanation:
Newww album next week,
Match the term to its definition.
control group, data, hypothesis, inference
observations that may be quantitative or qualitative
a tentative, testable scientific explanation
useful for determining the effect of the independent variable
a logical interpretation based on prior knowledge
Explanation:
hypothesis is the last one
data is the 3rd one
inference is the 2nd one
and control group is the first one
process of elimination is your best friend
The mass of a proton?
☁️My Answer☁️:
The mass of the proton is the sum of the mass of current quarks and the binding gluons. The mass of the proton is-
⬇️
Proton mass mp = 1.672621898(21)×10−27 Kg
The Mass of proton is higher than the mass of electron.
☼Mass Of Proton In Other Units☼:
The mass of the proton can be expressed in alternative units like – proton mass AMU, the mass of the proton in kg, proton mass MeV. The table given below comprises the value of proton mass and corresponding units.
✯Proton mass✯: ∞Value∞:
Mass of the proton in kg 1.672621898(21)×10−27 kg
Mass of the proton in grams 1.672621898(21)×10−24 g
Mass of proton in AMU 1.007276466879(91) u
Proton mass MeV 938.2720813(58) MeV/c2
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I hope this helped you,
And I do hope you enjoy the rest of your day! (ɔ◔◡◔)ɔ ♥
-Kirby ★ ツ ✌
Study the diagram of a cell.
Which structures are found in both plant and animal
cells?
O W and X
O W and Z
O X and Y
Y and Z
Help me please