Answers
The organelles in the plant cell that are shown in the image are: A: Chloroplast, B: Vacuole, C: Cell wall and D: Endoplasmic reticulum.
A: Chloroplast - This organelle is responsible for photosynthesis, the process by which plants convert sunlight into energy and produce glucose. Chloroplasts contain chlorophyll, a pigment that captures light energy.
B: Vacuole - The vacuole is a membrane-bound sac filled with fluid, primarily containing water and various dissolved substances. It plays a role in storing nutrients, waste products, and maintaining turgor pressure in plant cells.
C: Cell Wall - The cell wall is a rigid outer layer found in plant cells, bacteria, fungi, and some protists. It provides structural support and protection for the cell, helping maintain its shape and integrity.
D: Endoplasmic Reticulum (ER) - This organelle is involved in the synthesis, folding, modification, and transport of proteins and lipids. It can be rough (with ribosomes on its surface) or smooth (lacking ribosomes). The rough ER is involved in protein synthesis and modification.
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Related Questions
3: What do the cells do with the molecules?
Answers
Complex organic food molecules such as sugars fats and proteins are rich sources of energy for cells because much of the energy used to form these molecules is literally stored within the chemical bonds that hold them together
Which statement is true about all adaptations? O A. They can be lost.
O B. They enhance survival.
O c. They reduce reproduction.
O D. They are learned.
Answers
Answer:
B. They enhance survival
In what stimulation do we feel pain when removing the ventral root?
Answers
Answer:
Dorsal Root Ganglion
Explanation:
(im not 100% sure though)
True
After the second melotic division, the cells are haploid as they have only one of each homologous
chromosome pair.
Answers
Answer:
True
Explanation:
After the second melotic division, the cells are haploid as they have only one of each homologous
chromosome pair.
The diagram below represents a food pyramid in an ecosystem.
Hawk
Snake
Rabbit
Grass
The best explanation for the decrease in the amount of energy transferred to each
succeeding level is that much of the energy is
Оа
Ob
Ос
stored within organic materials
used in photosynthesis
released as heat and used in daily metabolism
consumed by producers
Od
Answers
Describe the differences and similarities between lecithin and cephalin. Match the words in the left column to the appropriate blanks in the sentences on the right. ResetHelp Lecithins and cephalins are both sphingolipids; they consist of glycerol with fatty acids forming bonds with the first and second groups. The third group of the forms a with phosphoric acid, which forms another bond with an amino alcohol. In lecithins, the amino alcohol is ; in cephalins, the amino alcohol is usually .
Answers
Answer:
Here, we have a composition passage and we are required to fill in the with missing words. The missing words are highlighted in bold format and underlined.
Lecithins and cephalins are both glycerophospholipids; they consist of glycerol with fatty acids forming ester bonds with the first and second hydroxyl groups. The third hydroxyl group of the glycerol forms a phosphate bond with phosphoric acid, which forms another phosphate bond with an amino alcohol. In lecithins, the amino alcohol is choline; in cephalins, the amino alcohol is usually ethanolamine.
Explanation:
Lecithin is a chemical complex composed primarily of fatty acids, glycerol, phosphoric acid, and choline. It can be present in egg yolks, soybeans, sunflower seeds, and plant seed cells and is completely normal. Soybean and sunflower lecithins contain much more important fatty acids than rapeseed lecithin, making them nutritionally more useful.
Phosphatidylethanolamine, also known as cephalin, is a phosphoglyceride that, like phosphatidylcholines and lecithins, is a component of biological membranes. A glycerol residue esterified by two fatty acids and a phosphoethanolamine residue gives rise to phosphatidylethanolamines. They're made by combining CDP-ethanolamine with diglycerides and releasing a CMP molecule. Phosphatidylcholines are formed when S-adenosylmethionine methylates the amine in ethanolamines. They're mostly found in the inner layer of plasma membranes' lipid bilayers.
A scientist injects a drug called rifampicin, which inhibits RNA synthesis, into a bacterium. What is the most likely direct result of this alteration?
The bacterial DNA will stop replicating.
The bacterial DNA will replicate in an uncontrolled way.
The process of protein synthesis will stop in the bacterium.
Answers
The most likely direct result of this alteration is that the bacterial DNA will stop replicating. Thus, the correct option for this question is A.
What is Rifampicin drug used for?The drug Rifampin is used to treat tuberculosis (TB) in many different parts of the body. It is also used by patients who have meningitis bacteria in their nose or throat who do not show symptoms of the infection to prevent the spread of the bacteria to other patients.
Rifampin specifically inhibits bacterial RNA polymerase. It is an enzyme that is responsible for DNA transcription, by forming a stable drug-enzyme complex with a binding constant of 10(-9) M at 37 C. The corresponding mammalian enzymes are not affected by rifampin.
Therefore, the most likely direct result of this alteration is that the bacterial DNA will stop replicating. Thus, the correct option for this question is A.
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WHICH TERM BEST SUMMARIZES PROCESS OF SELF FEEDING
Answers
Answer:
Photosynthesis!!!!!!!!
Explanation:
I just had this question on my A.P.E.X test
Which process involves wind moving loose sediment?
abrasion
deflation
impact
plucking
B- Deflation
Answers
idek what plucking is like what
Answer:
Deflation
Explanation:
Edge 2021
2. Using the principles of
dominance and segregation to
analyze the diagram, what alleles
would you expect in the F1
plants?
A. Purple: FF /White:
ff
B. Purple: Ff/ White: ff
C. Purple: ff / White:
FF
D. Purple: ff / White: Ff
Chael Are
Answers
Answer:
A. Purple: FF /White: ff
Explanation:
I did it too lol
Purple: FF /White: ff the principles of dominance and segregation to analyze the diagram, alleles would you expect in the F1 plants. Thus, option (a) is correct.
What is segregation?The Segregation Principle defines how pairs of gene variations are divided into reproductive cells. Gregor Mendel discovered the segregation of gene variants, known as alleles, and their accompanying qualities in 1865. During meiosis, allele pairs (different features of the same gene) are separated so that they can pass to distinct gametes.
The diagram was analyzed using the principles of supremacy and segregation. The principle of the impact in segregation was described as Purple: FF / White: ff. This inheritance pattern is known as partial dominance, which means that neither allele is completely dominant over the other: both genotypes can be seen at the same time.
As a result, the Purple: FF /White: ff the principles of dominance and segregation.
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5-10 statistics or interesting facts about kingdom Protista
Answers
What grade are you in?
On average, women and girls in developing countries walk 6 kilometers
(approximately 3.5 miles) a day, carrying 20 liters (approximately 42 pounds/20 kgs) of
water. In some areas, it is common for this journey to take more than 15 hours a week. 1
L = 0.26 gal. If you had to carry 20 liters of water, how many gallons would that be
equivalent to?
Answers
10. What causes root pressure, and what is the function of root pressure for the plant?
Answers
Answer:
Root pressure, in plants, a force that helps to drive fluids upward from the soil into the water-conducting xylem vessels. It is primarily generated by osmotic pressure in the cells of the roots and is partially responsible for the rise of water in plants.
Explanation:
What are the 6 regions of the
human body from which hair can
be derived?
Answers
Answer:
Hair is made of a tough protein called keratin. A hair follicle anchors each hair into the skin. The hair bulb forms the base of the hair follicle. ... Blood vessels nourish the cells in the hair bulb, and deliver hormones that modify hair growth and structure at different times of life, if that answers your question.
Explanation:
The six (6) regions of the human body from which hair can be derived are:
1. Head.
2. Eyebrow.
3. Beard.
4. Pubic area.
5. Body.
6. Armpit (underarm).
Hair can be defined as a threadlike, keratinous filament that typically grows out of the epidermis. Also, an epidermis is the outer layer of the skin.
Basically, the hair comprises two main parts and these are:
The follicle.The hair shaft.Some of the macroscopic and microscopic properties of hair include:
Hair length.Hair color.Pigmentation of the cortex.Types of scales on the cuticle.Hair curliness.Pattern of the medulla.Generally, hair can be found or grow in different regions of the human body and these include the following:
1. Head.
2. Eyebrow.
3. Beard.
4. Pubic area.
5. Body.
6. Armpit (underarm).
7. Eye lash.
8. Nose.
9. Finger.
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. Which of these is the most powerful force of weathering and erosion? *
1 point
wind
moving water
ice
gravity
PLESE SOMEONE HELP ME !!
Answers
PLEASE HELP WILL GIVE BRAINLIEST
In what order do species appear during primary and
secondary succession?
Answers
Answer:
here you go :)Explanation:
Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited. In other words, it is the gradual growth of an ecosystem over a longer period of time.
In the primary succession, species like algae, fungi, and lichens are preset. In the secondary succession, the pioneer species present, that already existed in the environment.
What are primary and secondary succession?One of two types of biological and ecological succession of plant life. They are primary succession that takes place in environments where fresh substrate is deposited that is devoid of plants and other species that typically lack soil, such as lava flows or areas left behind from glaciers that have receded.
In other words, it is the steady development of an ecosystem through time.
Thus, Algae, fungus, and lichen species are established during the primary succession. The pioneer species that were previously existing in the habitat are found in the secondary succession.
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Which step occurs in meiosis to prepare for fertilization in sexually
reproducing organisms?
Answers
Answer: 12 sexual reproduction and meiosis concept outline
Explanation: The process of meiosis produces unique reproductive cells called gametes, which have half the number of chromosomes as the parent cell. Fertilization, the fusion of haploid gametes from two individuals, restores the diploid condition. Thus, sexually-reproducing organisms alternate between haploid and diploid stages.
Hope this helps :D
The diagram above depicts a karyotype of an individual human. Which of the following statements concerning the karyotype in the diagram is true? Select all that apply.
The diagram indicates an individual with an extra sex chromosome
The diagram illustrates a genetic condition found in females.
The diagram illustrates the results of nondisjunction during gamete formation.
The diagram indicates a mechanism for increasing genetic diversity in subsequent generations.
Answers
Answer:the diagram illustrates the results of non disjunction during gamete formation.
Explanation:
The following statements concerning the karyotype in the diagram is true - The diagram illustrates the results of nondisjunction during gamete formation.
Karyotype
Karyotype refers to the number and appearance of chromosomes present within the nucleus of a eukaryotic cell. It is illustrated as a diagram such as given in the question.
There is no Down's syndrome as the karyotype demonstrates a normal pair of chromosome 21. In this karyotype, there is an extra X-chromosome that depicts non-disjunction during either oogenesis or spermatogenesis (gamete formation) in the parents leading to the 23rd trisomy.
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AG CLASS HELP!!!!!!
Disney World employees 750 horticulturists and 30 nursery professionals to keep the parks 4,000 acres meticulously groomed.
True
False
Answers
Answer: True
Explanation:
U can add 750 to 30 and see how much u get and add that number to 4,000 and see how many acres meticulously were groomed.
In the image below, in which location is carbon released into the atmosphere?
A
B
C
D
Answers
Answer: D
Explanation: carbon is coming out of the buildings
Answer:
D like the answer above
Explanation:
Took the test and got it right
Directions: Using the diagram, for A, B,C,D, and E, identify the phases of the cell cycle that the cell is going through.
Directions: For number 1-10, identify the cell structure that is being shown.
Answers
Answer:
1.Centriole
2.spindle fiber
3.chromatids
4.daughter cell
5.Chromatic
6.Cell membrane
7.Nucleolus
8.Centrioles
9.Chromosome
10.Nuclear membrane! [tex]\color{yellow}{}[/tex]
Mitosis consists of four basic phases: Prophase, Metaphase, Anaphase, and Telophase. These phases occur in strict sequential order, and cytokinesis - the process of dividing the cell contents to make two new cells - starts in anaphase or telophase. Stages of mitosis: prophase, metaphase, anaphase, telophase.
A. Prophase
Prophase is the first phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.B. Metaphase
Metaphase is the third phase of mitosis, the process that separates duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.C. Anaphase
Anaphase is the fourth phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.D. Telophase
Telophase is the fifth and final phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.The third stage of mitosis, known as metaphase, is when the genetic material that was replicated and carried in the parent cell's nucleus is split into two identical daughter cells.
What are the different phases of mitosis?There are four fundamental stages of mitosis: prophase, metaphase, anaphase, and telophase.
Cytokinesis, which is the process of separating a cell's contents into two new cells, begins in either anaphase or telophase, where the phases are strictly sequentially ordered.
The division of the duplicated genetic material contained in a parent cell's nucleus into two identical daughter cells is called mitosis, and the process begins with the prophase.
Therefore, 1. Centriole 2.spindle fiber 3.chromatids. 4.daughter cell 5. Chromatic 6. Cell membrane 7. Nucleolus 8. Centrioles 9. Chromosome 10. Nuclear membrane.
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what does Ecosystem mean ?
Answers
Answer:
ecosystem: all the living and nonliving things interacting in a particular area
Explanation:
How are giraffes able to feed on an acacia tree despite the tree's long thorns?
A. Giraffes don't eat acacia trees.
B. Giraffes have a long neck that they can maneuver between the thorns.
C. Giraffes have a long, mobile tongue that can maneuver between the thorns.
D.Giraffes produce saliva that dissolves the thorns.
Answers
Answer:
C. Giraffes have a long, mobile tounge that can maneuver between the thorns.
Explanation:
I took the test :D
All animals are ____ eukaryotes and are _____
Answers
Answer:
All animals are multicellular, heterotrophic eukaryotes.
Explanation:
Which method is most likely to reduce soil loss?
A pH testing
B. crop rotation
C. remote sensing
D. contour plowing
Answers
Answer:
B
Explanation:
Answer: it's B
Explanation:
The primary source of the specificity of enzymes is ________. The primary source of the specificity of enzymes is ________. their polarity, which matches that of their specific substrate their shape, which relates to the lock-and-key model their bonded transition metal, which is specific to the target substrate their delocalized electron cloud their locations within the cell
Answers
Answer:
their shape, which relates to the lock-and-key model
Explanation:
Enzymes are biological catalysts that are proteinous in nature. Their proteinous nature implies that they are made of amino acids, which forms a three-dimensional shape that accounts for their functionality and specificity. This means that enzymes are substrate-specific because of their 3D shape.
The three-dimensional shape of an enzyme determines the kind of substrate it will bind to. Enzymes, generally, catalyze reactions by binding to a substrate at their active site. This binding follows a lock and key pattern or model. In a nutshell, the primary source of specificity of enzymes is attributed to their SHAPE, which relates to the lock-and-key model.
How many tropic levels are there in the following food chain?
algae —> mosquito larvae —> dragonfly larvae —> trout
Answers
Answer:
There are 4 trophic levels in the following food chain.
Please Help Me i need a good grade!
FAST!!!!!!
Answers
Answer:
it's the second one/B because it's the only one that is correct :)
How can the application of insecticides and herbicides affect an individual’s health? a. Insecticides and herbicides can potentially contaminate foods. b. Insecticides and herbicides increase the disease rate of agricultural plants. c. The application of herbicides and pesticides reduces the vitamin content of crops. d. Herbicides and insecticides increase the health value of crops by adding necessary nutrients.
Answers
Answer: A. Insecticides and herbicides can potentially contaminate foods.
Answer:
the answer is A
Explanation:
edge 2021
1 pts
Question 9
Which of these is an example of biomass energy?
O A coal-burning generator.
O A gasoline-burning automobile.
O A wood-burning stove.
O An automobile that operates on fuel cells.