Photosynthesis is where plants use sunlight, H2O, and CO2 to produce O2 and energy as sugar. Cellular respiration is where food is transformed to energy in the cells in the form of sugar. In photosynthesis, plants transform the light energy to chemical energy. It is used to convert H2O, CO2, and minerals to O2. In cellular respiration, the stored energy in sugar is being released and converted to energy that is being used by the cells. Glucose is carried to the blood and being taken up by each of the cells. The energy in photosynthesis is being used for food while the energy from cellular respiration in the form of ATP is used by the cells.
Observe the following protist below. Which statement best compares how Euglena and Paramecium obtain food?
Euglena is a genus of protists that are flagellate and photosynthesizers; while Paramecium is a genus of ciliates that are heterotrophic.
This means that B, "the Euglena uses photosynthesis to make its own food and the Paramecium uses cilia to sweep food into its oral groove" would be the right answer.
Select the good things bacteria do for us.1. Help us clean the environment (bioremediation)2. Decompose dead material ( act like natures recyclers)3. Make some foods 4. Make oxygen we breath 5. Produce some vitamins we need 6. Make some medications
1. Bacteria act in bioremediation. They are utilized as a solution for pollution.
2. Bacteria act as decomposers. They recycle dead organic matter in order not to pile up in the environment.
3. Bacteria are used to make food such as dairy products.
4. Prochlorococcus are certain type of bacteria responsible for converting CO2 to O2 in photosynthesis.
5. Certain vitamins are being produced by gut bacteria such as Vitamin K.
6. Bacteria are utilized to produce medications such as antibiotics and vaccine.
All Options are correct.
What is the Linnaean classification in order from the most inclusive to the least inclusive? FamilySpeciesKingdom OrderGenusClassDomainPhylum
Domain- The highest taxonomic rank in the hierarchy
Kingdom - represent the major division of organisms (plants, animal)
Phylum- a division of the kingdom
Class- a division of the phylum
Order- a division of the class
Family- a division of the order
Genus- a division of the family
Species- the lowest taxon in Linnaeus' system
Show a food web of an ecosystem in a temperate climate Make sure to show how to draw and outline a food web
Food webs represents the trophic relations in a ecosystems, i.e. show how the energy flows among the organisms in the ecosystem. In the following diagram, the arrows indicates how the energy flow given the trophic relations. For instance, pine leaves are eaten by red squirreles which are preyed by red foxes.
If a person is cured of sickle cell with gene therapy, will their children get sickle cell disease? Why there? Why not?
The sickle cell disease is a group of disorders that affect the hemoglobin, the people with sickle cell disease have atypical hemoglobin called hemoglobin S. If a person is cured of the disease by gene therapy (stem cells or bone marrow transplant), their children will not have the disease. That's happen because the gene therapy is a medical approach that correct the underlying genetic problem by altering the genetic makeup (with functional alleles), therefore the offspring after the disease is cured will not receive the genes for sickle cell disease to their offspring.
Rearrange each set of jumbled letters to form the word described.1. The process by which organisms give rise to and offspring NREOITORPCUD ____________2. A female reproductive cell of animals and plants that can unite with a sperm cell to form a new individual LELCGEG ______________.3. A male reproductive cell of animals and plants that can unite with an egg cell to form a new individual cell LELCMSREP ______________.4. Female or male sex cells SEGATEM ________________.5. The process of producing offspring without the union of gametes LASAUXE ____________.
1. The process by which organisms reproduce themselves and give rise to offspring is known as reproduction.
2. A female reproductive cell is known as an egg cell.
3. A male reproductive cell is known as a sperm cell.
4. Female or male sex cells are known as gametes.
5. When organisms reproduce themselves only with one parent genetic load, it's called asexual reproduction.
why animals do not have a cell wall?
The cell wall is a structure found only in plant cells. This cell wall is made of cellulose (a polymer of glucose), and although animal cells can metabolize glucose, they cannot produce cellulose. Therefore, animal cells do not have the biological tools to produce a cell wall.
I need help with this practice Making sure it’s accurate Nothing else is needed but to know if it is accurate
Answer:
Explanation:
4. Which is the best definition for lineage? a. A specific set of fossils in a specific location.b. A single line showing age. c. A continuous line of descent. d. A set of parallel lines.
The best option would be the letter C. A continuous line of descent.
Lineage refers to the sequence of biological entities that are connected by ancestor-descendant relationship.
Which is NOT one of the postulates Darwin proposed to explain the mechanism of natural selection? A. Small populations can lead to genetic drift.B. Some variations in traits are passed on to offspring.C. In every generation, more offspring are produced than can survive.D. Individuals within a species vary in their traits.E. The survival and reproduction of individuals are not random,
There are five postulates proposed by Darwin to explain the mechanism of natural selection.
- Individuals are variable (therefore, D is incorrect)
- More offspring is produced than can survive (so C is incorrect as well)
- The history of Earth is long
- Some variations are passed down (meaning that B is also wrong)
- Survival and reproduction are not random (so E is incorrect too).
The genetic drift is part of the theory of evolution proposed by Sewall Wright, not by Darwin. Therefore, the correct answer is A. Small populations can lead to genetic drift.
In Oogenesis, only 1 mature egg is made because …Select one:a. males and females are different, so the process is differentb. only one baby is made at a timec. the cytoplasm and energy from the other 3 cells is placed into the mature egg and they do not have enough material to survived. there is no reason
Oogenesis is the process that originates the ovum, which is a much bigger cell than its counterpart, the sperm.
One ovum and two or three polar bodies are produced during this process. This is because the meiotic division is uneven and most of the cytoplasm goes to the future ovum, which means is able to have the resources needed to produce a new individual.
This means C) the cytoplasm and energy from the other 3 cells are placed into the mature egg and they do not have enough material to survive, is the right answer.
Which of the following is an inorganic compound?
OA Sample B contains xenon and fluoride,
O e Sample D contains nitrogen, carbon, hydrogen, phosphorus, and oxygen,
OC. Sample C contains, carbon, oxygen, and hydrogen,
OD. Sample A contains carbon and hydrogen,
Answer: A
Explanation:
An inorganic compound is a substance that does not contain both carbon and hydrogen. A great many inorganic compounds do contain hydrogen atoms, such as water (H2O) and the hydrochloric acid (HCl) produced by your stomach. In contrast, only a handful of inorganic compounds contain carbon atoms.
What is the definition of over crowding?
Overpopulation refers to a population which exceeds its sustainable size within a particular environment or habitat. Overpopulation results from an increased birth rate, decreased death rate, the immigration to a new ecological niche with fewer predators, or the sudden decline in available resources.
Why do species occur where they do
The survival of a species rely on both physical and biotic factors. Its distribution is not the same in various places. Every species have their own prefered habitat to live. Certain animals luive in certain places. Cities can provide more food, shelter and protection to wildlife. They can reproduce more and get more food in the cities than in other places.
These are referred to as abiotic factors. It includes the temperature, sunlight, and moisture level. They based their choice of habitat on these factors. If the species' needs are not met in certain place, they will move to a better habitat.
Which immune cells circulate in the body, providing immunity by producing antibodies?Question options:A) Lymph NodesB) T-cellsC) B-cellD) Antigens
The correct answer is C) B-cell. B cells travel throughout the blood where they recognize antigens. When antigen recognition occurs B cells mature to plasma cells, these plasma cells produce antibodies.
4. Protists eat other organisms for food.TrueFalse
This is true, as the type of protists called ingestive protists have as a source food bacteria.
The two other types of protists are absorptive protists that absorb food molecules across their cell membranes and photosynthetic p
What is a biome?A. An area of land with similar biotic factors but different abiotic factorsB. A group of ecosystems with similar climates, vegetation, and animalsC. A section of aquatic environments that covers all zones of depth with different animals and plants
The anwer is B, Biome is the biologycal comunity that is forme based on similar regional climes
When a disease spreads rapidly and widely through a population in a more localized area it is called a(n):epidemic.pandemic.endemic.infection.
ANSWER: Endemic = it is an infection that is native or confined to a specific place affecting a population of people.
Last year, a population of fruit flies consisted of equal percentages of red-eyed and white-eyed individuals. This year, the population consists of 90% red-eyed and 10% white-eyedindividuals. Assuming eye color is an inherited trait, which of the following best explains why scientists observed this change in the percentages of the variations present in the flypopulation?A.White-eyed flies produced more white-eyed offspring than red-eyed flies.B.White-eyed flies lived longer than the red-eyed flies.C.Red-eyed flies outcompeted white-eyed flies for resources.D.Red-eyed flies came from mutated white-eyed flies.
White eye color is a mutant phenotype in Drosophila, caused by a mutation in a gene in the pigment pathway. This mutation was discovered in 1910 by Thomas Hunt Morgan and Lilian Vaughan Morgan. Notice that Drosophila melanogaster fruit flies usually have dark brick red compound eyes but the mutation of this trait such as a white mutation located on the X chromosome results in a lack of pigment, poor eyesight, and lower fitness.
According to this, the statement Red-eyed flies came from mutated white-eyed flies is false since the correct statement would be: white-eyed flies came from mutated red-eyed flies.
Now, white-eyed mutants of Drosophila fruit flies have a series of disadvantages compared to wild-type flies, including a poorer performance under bright light. This means that white-eyed mutants of Drosophila may have disadvantages when it comes to obtaining resources to live.
Thus, we can conclude that the correct answer is:
Answer:C. Red-eyed flies outcompeted white-eyed flies for resources.
The flesh-eating bacteria, Vibrio vulnificus, destroys healthy tissue. Infectious agents such as this are best classified as what kind of environmental factor? Abiotic environmental Biotic environmental Genetic Pathogenic
Vibrio vulnificus is a Gram-negative, motile, curved rod-shaped bacillus. It is a pathogenic bacteria of the genus Vibrio. it is related to V. cholerae which is the causative agent of cholera. It can result in a severe, fulminant systemic infection.
Answer - Pathogenic
ATP is broken down into ADP and AMP is used for what purposes?
a) Release of energy
b) Structure and support
c) Genetic information
d) Movement
e) Insulation
f) Diffusion
ATP is broken down into ADP and AMP is used for what purposes a) Release of energy
With the removal of a phosphate group, ATP becomes ADP, and this process releases energy. ADP is synthesized from AMP. During cellular respiration, cells obtain the energy they require by cycling between ADP and ATP.
What is the connection between ATP, ADP, and AMP?When one phosphate group is removed by breaking a phosphoanhydride bond, a process known as hydrolysis occurs, releasing energy and converting ATP to adenosine diphosphate (ADP). When a phosphate is taken from ADP to generate adenosine monophosphate, energy is also released (AMP).
The principal energy source for critical biological tasks such as muscular contraction, nerve impulse transmission, and protein synthesis is ATP generated in mitochondria.
Energy is released when ATP is broken down, often by removing its terminal phosphate group.
Learn more about ATP refer
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How do hormones influence muscle tone as humans get older?
Answer:
It severly effect your body muscles
Explanation:
Which procedure below is not a step in using plasmids to create recombinant DNA?
To create recombinant DNA the first step is to isolate the gene of interest.
Next, extract a plasmid from a bacteria. Insert the gene in the DNA strand of the plasmid and reinsert the plasmid in the bacteria.
After the final step, the recombinant bacteria will express the gene of interest.
The only step that does not correspond to the process is the addition of the DNA ligase.
When carbon dioxide dissolves into water it forms acid. Describe in detal how this acid affects the types of organisms pictured below.
In the pictures, we have a hermit crab, a crab, and a nautilus.
All of these organisms have shells, even if the hermit crab doesn't make its own.
All the shells of these organisms are made of calcium carbonate, although the shell of the crab is also composed of chitin.
Calcium carbonate can be diluted in acid, so the acidification of water makes the shells weaker and can make these organisms more vulnerable to damage and predators, especially in the cases of mollusks.
The Humoral immune response is a chain reaction of antigens and Interleukinsthat results in:A. The production of macrophages to use phagocytosis on pathogens.B. The differentiation of effector B cells into plasma cells to make antibodies.C. The differentiation of helper T cells into cytotoxic T cells to destroy pathogens.D. The swelling of fluid and clotting elements to a damaged area.
The humoral immune response is a chain reaction of antigens and Interleukins that results in: The differentiation of effector B cells into plasma cells to make antibodies.
The correct answer is option B.
2. Fungi are a type of plantTrueFalse
Fungi are not a plant for they do not have chloroplast.
The answer is FALSE.
What is the first stage that occurs in photosynthesis?a) Calvin cycleb) electron transport chainc) light dependent staged) light independent stage
The photosynthesis starts in the grana, a stacked membrane structure inside chloroplasts. The direct energy of light provides the cell with what's necessary to make molecules that will be used in the dark phase of photosynthesis. So, the first phase depends on light, beng the light dependent stage. Therefore, the correct answer is C.
19. To study population growth, an ecologist placed five mice in a small, isolated habitat and tracked the growth of the population over a ten-year period.Which condition most likely had the greatest influence on the mouse population after 1994?No limiting factors were present.The mice were no longer reproducing.A new predator had entered the area.Carrying capacity had been reached.
To answer this question we need to analyze each available option
1.-No limiting factors were present. As the habitat is small and isolated there are limiting factors one example is space, so this is not correct.
2.-The mice were no longer reproducing. If mice stop reproducing the population would decrease in a few as the life span of mice is short, si this is incorrect.
3.-A new predator had entered the area. The ecologist set the mice in a small isolated habitat and does not mention that he had introduced changes during the experiment so this is incorrect.
4.-Carrying capacity had been reached. This concept is hard to set in numbers nonetheless is an equilibrium between habitat availability and the organism that the habitat can support, in other words, the carrying capacity of a certain area determines
The primary structure of a protein is the:A. formation of jelices and sheetsB. final three-dimensional shapeC. linear sequence of amino acidsD. way in which separate polypeptides combine
The protein structure can be primary, secondary, tertiary and quaternary. At first, there are only amino acids aligned (primary), then this line folds (secondary), gets into a three-dimensional shape (tertiary) and different proteins can bond with each other (quaternary). Therefore, the correct answer is: C. linear sequence of amino acids.
Compare and contrast spermatogenesis and oogenesis. Include when it occurs during a person’s lifetime and how many cells are produced. Use details to support your answer.
Spermatogenesis and oogenesis are the processes by which sperm and eggs are obtained, respectively.
In both cases, a diploid cell (spermatogonia or oogonia) gives rise to haploid sex cells through a process of meiosis.
However, men produce many more sex cells than women and produce them constantly, while women already have a certain number of eggs that they will release throughout their lives.
In the case of females, during embryonic development, they generate a certain number of primary oocytes (from oogonium). These primary oocytes remain stagnant in prophase I of meiosis within the female until puberty arrives. When a woman reaches puberty, hormonal changes drive meiosis, causing a primary oocyte to mature each month into an egg that can be fertilized by a sperm.
Something that is important to note is that during meiosis in female sex cells, 4 eggs are not obtained for each oogonium because along the process 3 "polar bodies" are released and degenerate, this is an explanation of why men generate more sex cells because male cells carry out meiosis normally and also occurs constantly, not every month.