Into which group would you place a photosynthetic organism that lacks a nucleus and has a thin peptidoglycan wall surrounded by an outer membrane?.
Answers
The photosynthetic organism that lacks a nucleus and has a thin peptidoglycan wall surrounded by an outer membrane is known as Cyanobacteria, and it belongs to the Monera group.
It is because they lack nuclei or other membrane-bound organelles.
Monera is a broad group of organisms that lack a defined nucleus, and the majority of them are unicellular and prokaryotic.
They are usually divided into two categories: Eubacteria (true bacteria) and Archaeobacteria (ancient bacteria).
Cyanobacteria are well-known for their ability to photosynthesize, converting light energy into chemical energy that can be used by cells.
They generate oxygen and organic molecules from carbon dioxide and water as a result of this process. The peptidoglycan layer is common in bacterial cell walls, which serve to protect the cell from osmotic damage and regulate cell wall growth.
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Related Questions
Description of a ladybugs metamorphosis, including whether it is complete or incomplete
Answers
Complete metamorphosis has 4 stages: egg, larva, pupa, and adult. The larva and pupa stages look very different from the adult stage. Examples include butterflies, beetles (including ladybugs), and mealworms. Incomplete metamorphosis has 3 stages: egg, nymph, and adult..
The sky of early Earth was probably pinkish-orange. As life became established, the sky turned blue. What was responsible for the color change?
Answers
what enters and leave the body during respiration in order for the body to function correctly
Answers
Answer:
The respiratory system enables oxygen to enter the body and carbon dioxide to leave the body.
What part of the brain is labeled 4 in the diagram
Answers
What separates the dorsal cavity into two subdivisions.
Answers
Answer:
The skull
Explanation:
The skull separates the cranial cavity and the vertebral cavity, which contain the brain and spine respectively.
which aquatic biomes is characterized by its extreme fluctuations in temperature and salinity?
Answers
Answer:
Estuaries
Explanation:
Estuaries are often categorized by their mix of fresh and salt water communities, leading to differences in temperature and salinity.
which response occurs because of the hormone auxin? responses a seed germinates. a seed germinates. a fruit ripens.
Answers
Hormone auxin responses a seed germination.
Role of Auxin:
The response that occurs because of the hormone auxin is seed germination. Auxin is a plant hormone that promotes cell elongation and division, which is necessary for the growth and development of the plant embryo. Auxin stimulates the production of enzymes that break down stored nutrients in the seed, allowing the embryo to grow and emerge from the seed coat. Auxin also plays a role in other plant processes, such as fruit ripening and the bending of plant stems towards light (phototropism), but these responses are not directly related to seed germination.
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9. Explain why you think leaflets of compound leaves are arranged in arrays so as not overlap each other? 10. One plant has large simple leaves, the other thin needle-like compound leaves. Which leaf type will be best for a light-limited rainforest understory? Why? 11. Which leaf type will be best for a desert environment? Why?
Answers
9. Leaflets of compound leaves are arranged in arrays so as not to overlap each other because this arrangement allows for maximum light exposure and minimizes shading between leaflets.
10. For a light-limited rainforest understory, large, simple leaves would be the best type.
11. In a desert environment, small, thick, and waxy leaves are best suited.
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What reactant is needed in the light dependent reaction
Answers
Answer:
ATP and NADPH
Explanation:
they use it to reduce carbon dioxide and convert the energy into chemical bond energy in carbohydrates such as glucose
The matching chromosomes a person inherits from their mother and father.
Answers
Answer:
Chromosomes come in matching pairs, one pair from each parent. Humans, for example, have a total of 46 chromosomes, 23 from the mother and another 23 from the father. With two sets of chromosomes, children inherit two copies of each gene, one from each parent.
Explanation:
what is hydrogen energy level
Answers
It is denote by the quantum number and where n veries from 1 for the ground state (the lowest energy level) to corresponding to unbound electrons
What do Hemagglutinin proteins do?
Answers
Answer:Hemagglutinin (HA) or Haemagglutinin (BE) is an antigenic glycoprotein found on the surface of the influenza viruses. It is responsible for binding the virus to the cell that is being infected.
Explanation:hope this helps
Which organism belongs to the Kingdom Eubacteria?
A. Paramecium
B. Thermophile
C. Algae
D. Cyanobacteria
Answers
Algae, paramecium, is kingdom protista
thermophile is kingdom monera
Why are proteins NOT a primary source of energy in living organisms (carbohydrates are
primary, lipids are energy storage...)?
Answers
Answer: Energy Production
The primary role of carbohydrates is to supply energy to all cells in the body. Many cells prefer glucose as a source of energy versus other compounds like fatty acids. Some cells, such as red blood cells, are only able to produce cellular energy from glucose.
Explanation:
Consider the inheritance pattern for the ABCC11 gene. This pedigree follows the inheritance of dry and wet earwax. Match the following individuals with their genotype. w al OOHN 1 2 3 11-3: AA 1-2:aa III-1: Aa II-6: aa 11-2: AA 11-4: Cannot determine, A_
Answers
AA (homozygous dominant for dry earwax), aa (homozygous recessive for wet earwax), Aa (heterozygous for dry and wet earwax), 11-3: AA (homozygous dominant for dry earwax), 1-2: aa (homozygous recessive for wet earwax) and III-1: Aa (heterozygous for dry and wet earwax)
Based on the information provided, the genotypes of the individuals in the pedigree are as follows:
AA (homozygous dominant for dry earwax)aa (homozygous recessive for wet earwax)Aa (heterozygous for dry and wet earwax)11-3: AA (homozygous dominant for dry earwax)1-2: aa (homozygous recessive for wet earwax)III-1: Aa (heterozygous for dry and wet earwax)II-6: aa (homozygous recessive for wet earwax)11-2: AA (homozygous dominant for dry earwax)11-4: Cannot determine, A_ (could be either homozygous dominant or heterozygous for dry earwax)It is important to note that the genotypes listed above are based on the assumption that the inheritance pattern for the ABCC11 gene follows simple Mendelian inheritance. If the inheritance pattern is more complex, the genotypes may not be accurately predicted using this method.
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18. During meiosis, homologous chromosomes exchange genetic material. This exchange of
genetic material -
A. increases the genetic variation
B. reduces the diploid number to the haploid number
C. increases the haploid
number to the diploid number
D. reduces the probability of mutations
Answers
A. increases the genetic variation
that's why individuals don't look like their partents. This process is called crossing-over
During meiosis, homologous chromosomes exchange genetic material. This exchange of genetic material - A. increases the genetic variation.
During meiosis, homologous chromosomes may exchange genetic material during a process called "crossing over."
Crossing over takes place during the pachytene stage of Prophase I of Meiosis I where the non-sister chromatids of homologous chromosomes exchange genetic materialthis results in recombination of the genetic material and creates a new genetic combination. This results in variations, which can be beneficial to the offspring providing a better survival advantage.So, the correct answer is Crossing over produces new combinations of genes on alleles, increasing genetic variation.
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During translation, amino acids are carried to the ribosome by:
A. mRNA.
B. miRNA.
C. snRNA.
D. rRNA.
E. tRNA.
Answers
During translation, amino acids are carried to the ribosome by option (E) tRNA (transfer RNA).
tRNA molecules are specialized RNA molecules that act as "adapters" during translation. Each tRNA molecule is specific to a particular amino acid. The tRNA molecule binds to the amino acid at one end and has an anticodon sequence at the other end. The anticodon sequence of tRNA is complementary to the codon sequence on the mRNA molecule.
During translation, the ribosome moves along the mRNA molecule, reading the codons and attracting the corresponding tRNA molecules. The anticodon of the tRNA pairs with the codon on the mRNA through complementary base pairing. As each tRNA molecule brings its specific amino acid to the ribosome, the ribosome catalyzes the formation of peptide bonds between the amino acids, resulting in the synthesis of a polypeptide chain.
Therefore, (E) tRNA molecules play a crucial role in carrying amino acids to the ribosome and ensuring their correct placement in the growing polypeptide chain during translation.
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What are three ways used to describe populations?
Answers
A population is a distinct group of individuals with shared citizenship, identity, or characteristics.
What is Population?In statistics, a population is a representative sample of a larger group of people (or even things) with one or more characteristics in common. The members of a sample population must be randomly selected for the results of the study to accurately reflect the whole.
The U.S. Census is perhaps the most ambitious survey in existence, given that it entails a door-to-door canvas of the entire population rather than a sample group study.
Population surveys large and small inform many if not most decisions by government and business.
Therefore, A population is a distinct group of individuals with shared citizenship, identity, or characteristics.
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While the neurology resident, Dr. Takahashi, was performing her examination, Sally asked her what a nerve was made of exactly. Which of the following statements is true regarding the cellular structure of a neuron? The neurology resident told Sally that axons of neurons make up the nerves that transfer information between the PNS and CNS. The neurology resident told Sally that the cell body, or some, made up the nerves and that this structure was what allowed the signal to travel between the CNS and PNS. The neurology resident told Sally that neurons and their dendrites, which send and reccive signals, made up the nerves and that the information was transported only from the PNS to the CNS. The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the CNS to the PNS.
Answers
The statement that is true regarding the cellular structure of a neuron is; The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the PNS to the CNS. Option A is correct.
This statement accurately describes the composition of nerves and the direction of information transmission. Neurons, which consist of a cell body, dendrites, and an axon, are the basic building blocks of the nervous system. Dendrites receive signals from other neurons, while the axon transmits signals to other neurons.
Nerves, on the other hand, are composed of bundled axons of neurons and are responsible for transmitting information between the peripheral nervous system (PNS) and the central nervous system (CNS). The information flow typically occurs from the PNS to the CNS.
Hence, A. is the correct option.
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--The given question is incomplete, the complete question is
"While the neurology resident, Dr. Takahashi, was performing her examination, Sally asked her what a nerve was made of exactly. Which of the following statements is true regarding the cellular structure of a neuron? A) The neurology resident told Sally that axons of neurons make up the nerves that transfer information between the PNS and CNS. B) The neurology resident told Sally that the cell body, or some, made up the nerves and that this structure was what allowed the signal to travel between the CNS and PNS. C) The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the PNS to the CNS. D) The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the CNS to the PNS."--
how does hydrogen bond DNA strands together?
Answers
Answer:hydraulics. In each linear strand there are covalent bonds and strong bonding between bases, sugars and phosphate groups (both within each component and between components). Hydrogen bonds occur in a complimentary combination between the 2 strands and include a base with one strand, and the base with the other.
Explanation:
Do you think the processes that form and shape the small stream bed are similar to those that form and shape the Grand Canyon? Why or why not?
Answers
Answer:
Due to the flowing of stream and river.
Explanation:
The processes that formed the small stream bed are similar to those that formed the Grand Canyon because both are formed by the flowing of river. The river flow through these regions and with this flow they takes rock particles with itself and makes several shapes and structures of that region. So we say that rivers and streams are responsible for the formation of stream bed and Grand Canyon.
Match each term with its best definition.
Plutons, Sills, Injection, D*kes
Check the comments for the answer.
Answers
Answer:
hey u blocked me pliz unblock me yer
Explanation:
Answer:
across existing rock.
A cell divides before properly completing S phase. Which of these would be a likely result? a. two perfectly normal cells b. one perfectly normal cell c. two cells with extra DNA d. two cells with some missing DNA e. one cell with extra DNA and one with missing DNA
Answers
If a cell divides before completing S phase, then the cell division process would be highly problematic. Let's try to understand what the S phase is and what its significance is in the cell cycle.The cell cycle is a process that a cell undergoes to divide into two daughter cells. It is a complex process that is regulated by various checkpoints and complex molecular machinery.
The cell cycle is divided into several phases, namely G1, S, G2, and M. These phases are essential for the replication and division of the cell.The S phase is the phase of the cell cycle where DNA replication occurs. The replication process involves the unwinding of the DNA strands, the synthesis of new strands using the old strands as a template, and the formation of two identical DNA molecules.
The S phase is critical because it ensures that the daughter cells have identical copies of the genetic material. Therefore, it is crucial that the replication process is complete before the cell enters into the next phase of the cell cycle, which is the M phase.If the cell divides before properly completing the S phase, then the daughter cells would have incomplete copies of the genetic material.
This could lead to several issues, including chromosomal abnormalities and gene mutations. Therefore, it is unlikely that the daughter cells would be perfectly normal, and it is more likely that they would have some defects such as extra DNA or missing DNA. In conclusion, if a cell divides before completing S phase, it is likely to result in two cells with extra DNA or missing DNA.
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the majority of young, inexperienced western garter snakes born in the laboratory from mothers captured in coastal areas of california readily eat pieces of slug. what are plausible proximate explanations for this behavior? select all that apply.
Answers
Some plausible proximate explanations for young, inexperienced western garter snakes born in the laboratory from mothers captured in coastal areas of California readily eating pieces of slug include: 1. Innate preference 2. Nutritional needs 3. Availability 4. Sensory cues
There are several plausible proximate explanations for this behavior of young, inexperienced western garter snakes eating pieces of the slug. Some possible explanations include: 1. Hunger: The snakes may simply be hungry and willing to eat whatever food is available, including slugs. 2. Availability: Slugs may be a common prey item in the coastal areas where the snakes' mothers were captured, so the snakes may be more likely to encounter and eat them. 3. Taste: The slugs may be a palatable food source for the snakes, either because they taste good or because they contain nutrients that the snakes need. 4. Learning: The young snakes may have learned from their mothers to eat slugs as a food source, either through observation or by receiving cues from their mothers. Therefore, all of the above explanations are plausible reasons for the young snakes' behavior of eating pieces of the slug.
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Following glycolysis and the citric acid cycle, but before the electron transport chain and oxidative phosphorylation, the carbon skeleton of glucose has been broken down to CO2 with some net gain of ATP. Most of the energy from the original glucose molecule at that point in the process, however, is in the form of ____
Answers
Answer:
The correct answer is - NADH.
Explanation:
Glycolysis is a multistep part of cellular respiration in which food is broken down to give off energy in a form of ATP. In glycolysis, the end product is converted to Acetyl-CoA using the pyruvate dehydrogenase enzyme.
During the citric acid cycle and oxidative phosphorylation, there is NAD reduces and turns to NADH that moves to the mitochondria. It is converted to energy using redox reactions. Most of the energy from original glucose molecules are transported and exists in the forms of NAD to NADH.
Which three of the following contain the highest percentage of calories from carbohydrates?
-Legumes
-Fat-free milk
-Fish
-Jam
-Table sugar
-Dried fruit
Answers
The three options with the highest percentage of calories from carbohydrates are Jam, Table sugar, and Dried fruit.
How much calories does Jam, Table sugar, Dried fruit have?The three items that contain the highest percentage of calories from carbohydrates are:
Jam: Jam is made mostly of sugar and fruit, which are both high in carbohydrates. It contains about 100% carbohydrates, with no protein or fat.
Table sugar: Table sugar is 100% carbohydrate, with no protein or fat.
Dried fruit: Dried fruit is high in natural sugar and carbohydrates, with about 75-90% of its calories coming from carbohydrates.
The other items on the list, such as legumes, fish, and fat-free milk, also contain carbohydrates but in lower amounts compared to the three items mentioned above.
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In class, students performed an experiment in which they used an egg as a representative cell. After removing the outer
shell, students placed the egg with its intact cell membrane into sugar solution that contains 80% sugar and 20% water.
That sugar solution would be blank to the egg and water would move blank the egg.
A. Hypertonic; out of
B. Hypotonic; out of
C. Isotonic; into
D. Hypertonic; into
Answers
Answer:
it would be A. Hypertonic; out of
The net migration of water in a hypertonic solution will be from the body into the solution. Plasmolysis, a process that causes cells to shrink and die when they are immersed in a hypertonic solution.Thus, option A is correct.
What Hypertonic movement removing the shell of egg?By means of osmosis, water enters and exits cells. When a cell is in a hypertonic solution, water leaves the cell when the solution becomes isotonic and the solution has a lower water concentration than the cytosol of the cell.
When someone excretes too much water without also excreting electrolytes, they experience hypertonic dehydration, which results in a high sodium content in the fluid surrounding their cells (also known as extracellular fluid).
Therefore, In contrast to the solution inside the egg, a concentrated sugar solution is hypertonic. As a result, water leaks out of the egg when it is submerged in the concentrated sugar solution, making the egg shrivel.
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Observing Footprints from the Past
detective"O" (observation) or I (inference)
Answers
Answer:
dfvas
Explanation:
sadvadsssssss
capillaries reach every ___ in the body
Answers
Answer: I think the answer would be cell.
Hi, can I get your help with question number 43? Thank you
Answers
DNA is a double stranded molecule made of nucleotides, while RNA is a single stranded molecule, also made of nucleotides.
Nucleotides are made of a nitrogen base, a phosphate and a sugar molecule (desoxyribose in DNA and ribose in RNA).
There are 5 nitrogen bases:
Adenin
Thymine
Guanine
Cytosine
Uracil
The DNA strands have the nitrogen bases Adenin, Thymine, Guanine and Cytosine, these bases pair together as follows:
Adenine = Thymine
Cytosine = Guanine
RNA also has 4 nitrogen bases, in this case, the base Thymine is replaced by the base Uracil, so the 4 nitrogen bases that form the strand are Adenine, Uracil, Guanine, and Cytosine. These bases form pairs as follows:
Adenine = Uracil
Cytosine = Guanine
For question 43, the correct answer is d. Thymine paris with adenine in DNA.