Answer:
covalent
Explanation:
Answer:
Covalent Bond
Explanation:
The most common type of bond formed by carbon is a covalent bond. In most cases, carbon shares electrons with other atoms (usual valence of 4). This is because carbon typically bonds with elements which have a similar electronegativity.
Decide whether sarcodines are more like ciliates or sporozoans. Explain
Answer: Sarcodines are more like ciliates than sporozoans. Sarcodines are a diverse group of single-celled organisms that are characterized by their ability to move using pseudopods, which are temporary extensions of their cytoplasm. This feature is similar to ciliates, which also move using cilia or pseudopods.
On the other hand, sporozoans are a group of parasitic single-celled organisms that are characterized by their lack of ability to move on their own. Instead, they rely on a host organism for transportation. This lack of mobility sets sporozoans apart from both ciliates and sarcodines.
Another difference between sarcodines and sporozoans is their method of reproduction. Sarcodines reproduce through binary fission, which is a type of asexual reproduction. In contrast, sporozoans reproduce through sexual reproduction that occurs within the host organism.
In conclusion, sarcodines are more like ciliates in their ability to move using pseudopods and their method of asexual reproduction. This makes them distinct from sporozoans, which are parasitic and lack the ability to move on their own.
Explanation:
Answer:
Sarcodines are more similar to ciliates than sporozoans. Sarcodines are a group of single-celled organisms that move using pseudopodia, which are temporary extensions of their cytoplasm. Ciliates are also single-celled organisms that move using cilia, which are hair-like structures on the surface of the cell. Both sarcodines and ciliates are similar in that they move using extensions of their cytoplasm and they both belong to the kingdom Protista.
On the other hand, sporozoans are a group of parasites that do not move using pseudopodia or cilia. Instead, they are immotile and rely on vectors such as insects to move from host to host. Sporozoans belong to the phylum Apicomplexa and have a very different life cycle compared to sarcodines and ciliates.
In summary, sarcodines are more similar to ciliates than sporozoans because they both move using extensions of their cytoplasm and they belong to the same kingdom (Protista).
The element nitrogen is present in all of the following except A) proteins.B) nucleic acids.C) amino acids.D) DNA.E) monosaccharides.
Nitrogen is present in all of the options listed except for monosaccharides. Thus, correct option is (E).
A crucial component of biological compounds is nitrogen. Nitrogen is a component of proteins, nucleic acids (DNA and RNA), amino acids (which serve as the building blocks for proteins), and DNA. Amino acids, which make up proteins, contain nitrogen as a necessary part of their structure.
Adenine, cytosine, guanine, and thymine/uracil are nitrogenous bases that are essential for the operation of nucleic acids, including DNA. Monosaccharides, simple sugars and the fundamental unit of carbohydrates, do not, however, include nitrogen. Instead, the majority of their atoms are made up of carbon, hydrogen, and oxygen.
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What is the mechanism that allows species to change over time?
Answer:
evolution
Explanation:
Natural selection is a mechanism that drives evolutionary change. Simply put, it is the survival of traits that are favorable to an organism within its environment. Think of it in terms of the example above with the mice.
Describe the life cycle of a star similar in size to our sun. from birth to death.
Answer:
adverage star-->red giant-->planitary nebula-->white dwarf
Explanation:
Which process provides plants with the glucose needed for cellular respiration?.
Answer:
Photosynthesis is the process that plants use in the presence of sunlight to convert carbon dioxide taken in by their leaves and water taken in through the roots to produce oxygen and sugar (glucose).
Approximately how many years elapsed between the time cells were discovered and the
observation of cell parts in muscle cells?
Answer:
192 years
Explanation:
the importance of glaciers as a force of erosion. Include how glaciers Form, where they form, how they change land, and the landforms they create.
Answer:
Glaciers.
A glacier is a huge mass of ice that moves very slowly downhill along the landscape.
Glaciers form in high latitudes near Earth's poles and at high altitudes, They form due to the accumulation (piling up) and compaction (packing down) of snow.As the glaciers expand, due to their accumulating weight of snow and ice they crush and abrade and scour surfaces such as rocks and bedrock. The resulting erosional landforms include striations, cirques, glacial horns, arêtes, trim lines, U-shaped valleys, roches moutonnées, overdeepenings and hanging valleys.
Explanation:
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Distance and direction of an object's change in position from the starting point to final point.
Answer:
The distance and direction of an object's change in position from the starting point. ... Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position. speed. the distance an object travels per unit of time.
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Explain two positive and two negative personality traits that may impact your ability to communicate effectively
Explanation:
Positive:
Opennes: People open to experience are those who have greater sensitivity, curiosity and greater absorption of information, which is a positive trait for effective communication, since they are people open to social interaction and more tolerant of other personality types.
Extroversion: Extroverts can also communicate effectively because they are open people, prone to expressing their feelings through words, sociability and interaction.
Negative:
Introversion: Introverted people may have difficulty communicating because they have a more closed and reflective personality, prefer to think than talk, may be shy and have difficulty expressing themselves in words.
Neuroticism: This personality is characterized by states of anxiety, fear, worry and loneliness, which can make communication difficult due to the difficulty of social interaction.
Communication skills refer to the ability to receive and give different types of information in different situations.
Positive Aspects of Communication People open to experiences have great curiosity, sensitivity, exposure to information, and good communication skill. The person having these positive traits will have excellent communication skills.Extroverts or people who can communicate effectively with everyone in every situation are prone to express their feeling, emotion, and thoughts easily. This is a positive trait in communication skills. Negative Aspects of CommunicationIntroverts are the people who can't express themselves effectively and can be bad at communicating. They are conserved and have extreme difficulty in sharing information.
Neuroticism is defined as the state of anxiety, fear, and loneliness that makes it difficult for the person to communicate and have a problem in social interaction.
Thus, communication skills can be positive and negative depending on the traits found in a person.
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Write a 2 paragraph summary describing the similarities and differences between the different algae. Make sure to use the terms stipe, air bladder, and blade in your summary. Also include comparisons between the various red algae species, as well as between the different types of algae (red, brown, green).
Red algae contain chlorophyll a, chlorophyll d, and phycoerythrin, whereas brown algae have chlorophyll a, chlorophyll c, and fucoxanthin, and green algae contain chlorophyll a, chlorophyll b, and xanthophylls.
A stipe is a stalk-like structure seen in algae. It can emerge as a short structure near the base of the alga (as in Laminaria) or as a huge, complex structure that runs throughout the algal body (as in Sargassum or Macrocystis).
The only seaweeds with air bladders are brown algae. The pigment fucoxanthin gives seaweeds in the phylum Phaeophyta their brown hue, allowing them to absorb sunlight more effectively and thrive in deeper water than other seaweed species.
Vegetative reproduction through fragmentation is a trait shared by all algae. Fragmentation is an asexual reproduction mechanism in which one fragment of an organism's body is broken owing to external physical forces. Each component then develops into a unique individual. Such reproduction is widespread in filamentous algae such as Ulothrix and Spirogyra.
The blade's role is photosynthesis, which is comparable to that of land plants. Food is grown there using a mix of sunshine energy and nutrients from the water. The gas bladder is utilized to maximize photosynthesis on the top surface. The stipe is used to support the blades.
What is Algae?The term "algae" refers to a broad and diverse collection of photosynthetic eukaryotic organisms. It is a polyphyletic assemblage of species from several separate clades.
In freshwater habitats, algae play a variety of critical and useful tasks. They generate oxygen and absorb CO₂, serve as the foundation of the aquatic food chain, remove nutrients and contaminants from water, and stabilize sediments.
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Look at the steps shown. Place them in order from beginning (top) to end (bottom).
The correct ordering of the steps in scientific research is given below:
Research questionHypothesisBackground researchControlled experimentData collectionData analysisConclusionWhat are the steps in scientific research?The steps in scientific research refer to the steps or procedures that are followed by scientists in making scientific discoveries that explain observed phenomena.
The steps in scientific research are as follows:
Research question - this is the question that a scientist seeks to answer based on his/her observationsHypothesis - statements made by scientists to explain their observationsBackground research - research is done to find support for or against the hypothesis.Controlled experiment - tests carried out to disprove or prove the hypothesisData collection Data analysisConclusionLearn more about scientific research at: https://brainly.com/question/17216882
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What forces the blood to circulate through vessels in a closed circulatory system?
a.
the notochord
b.
the nerve cord
c.
the cranium
d.
the heart
Answer:
a.
Explanation:
Answer:
the heart, i took the quiz
what is the atom of the element boron?
The atomic number is 5. The atomic number gives the number of protons. Protons which have a positive charge are balanced by an equal number of electrons in a neutral atom. Boron number 5 has five protons and therefore as a neutral atom also has five electrons. Boron atomic number 5 has five electrons in its ground state. Commonly Boron will lose 3 electrons leaving 2 electrons in its most common ionic form.
Enrichment Question (OPTIONAL)
In the fall of the year, the leaves of many trees change from green to red or yellow. Two hypotheses
can explain this color change: a) in the fall, chlorophyll degenerates, and red or yellow pigments that
were earlier masked by chlorophyll become apparent. b) in the fall, red or yellow pigments are
synthesized, and they mask the other color of chlorophyll. How could you test these two hypotheses
to see which one is more accurate?
Answer:
Removing a leave from a tree and seeing weather its color changes to yellow and red, or remains green.
Explanation:
This experiment will show weather the chlorophyll is degenerating, or if the color if being synthesized. If the leave remain green, then the yellow and red colors must come from synthesized proteins and the leave can't synthesis these proteins because it is not connected to the tree. If the color fades and the leaf turns yellow or red, then the chlorophyll degenerating is the cause because the chlorophyll will begin to degenerate from being disconnected from the tree.
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Answer:
deoxyribose other is ribose
The 5 carbon sugar found in DNA is called deoxyribose. Deoxyribose is a type of monosaccharide, or simple sugar, that is composed of five carbon atoms, one oxygen atom, and four hydrogen atoms. It is the primary component of the nucleotide, which is the building block of DNA.
DNA is a double-stranded molecule that is composed of two strands of nucleotides that are held together by weak chemical bonds called hydrogen bonds. Each nucleotide in DNA is composed of a deoxyribose sugar, a phosphate group, and one of four nitrogenous bases: adenine, cytosine, guanine, or thymine. The specific sequence of these bases in DNA carries genetic information and plays a vital role in the functioning of living organisms.
The 5 carbon sugar present in RNA is called ribose. RNA, or ribonucleic acid, is a single-stranded molecule composed of nucleotides. Each nucleotide in RNA consists of a 5 carbon sugar called ribose, a nitrogenous base, and a phosphate group. The combination of these three components makes up a nucleotide. The nitrogenous bases in RNA are adenine, guanine, cytosine, and uracil.
Ribose is a simple sugar molecule with a pentagonal structure, and it is one of the main components of RNA. It is important for the structure and function of RNA and plays a key role in the synthesis and regulation of proteins in the cell. Ribose is also found in other important biomolecules such as DNA, ATP, and NAD.
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Answer:
A star and something that revolves around it.
Explanation:
It has to have something revolving around it. Otherwise there would be no system, but just a star.
What functions are carried out by the interaction of the circulatory and respiratory systems?
Answer:
Explanation:
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the phase in the life cycle of a plant that produces spores
Answer:
Plants have two distinct stages in their lifecycle: the gametophyte stage and the sporophyte stage. After reaching maturity, the diploid sporophyte produces spores by meiosis, which in turn divide by mitosis to produce the haploid gametophyte. The new gametophyte produces gametes, and the cycle continues.
Explanation:
Answer:
plants have multicellular haploid and multicellular diploid stages in their life cycle. Gametes develop in the multicellular haploid gametophyte (from the Greek phyton, “plant”). Fertilization gives rise to a multicellular diploid sporophyte, which produces haploid spores via meiosis.
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Answer:
yes all day of the year have the same amount of the light
Prior do the 1600s it was believed that all living things for either plants or animals. Which of these inventions led to the development of a more detailed classification system
Answer:
The Microscope
Explanation:
Before the 1600s, every living thing was a part of a two kingdom classification system derivative of binomial nomenclature. This was proposed by Linnaeus, a Swedish Naturalist, who split all living things into either the animalia or plantae kingdom. After the invention of the microscope however, a new detailed classification system was put in order to accommodate for microscopic life. This new system recognizes the existence of 6 kingdoms: eubacteria, archaebacteria, prostista, fungi, plantae, and animalia.
72. what are the two groups that leukocytes are divided into? how do we distinguish between these two groups
The term leukemia means white blood. White blood cells (leukocytes) are used by the body to fight infections and other foreign substances. Leukocytes are made in the bone marrow. Leukemia leads to an uncontrolled increase in the number of white blood cells.
Common causes of leukocytosis include having an infection, but it also can occur if a person has had bone tumors or leukemia.
Septic shock may cause either leukocytosis or leukopenia. Many septic patients exist between these two extremes, with a normal WBC (such patients often develop leukocytosis in a delayed fashion). For example, half of the patients presenting to the hospital with bacteremia may have a normal WBC.
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In the beginning of an experiment, there are 10 bacteria. Suppose the rate of growth is proportional to the number of bacteria. After one hour, the number of bacteria increase to 20. Suppose P(t) is the number of bacteria present at time t. Try to find P(t).
In this experiment, the rate of bacterial growth is proportional to the number of bacteria present. We can use this information to find an equation that describes the number of bacteria at any given time.
Let's start by assigning variables. Let P(t) represent the number of bacteria at time t. We know that at the beginning of the experiment, there are 10 bacteria, so we can write this as P(0) = 10.
We are given that after one hour, the number of into 20. This means that after one hour, P(1) = 20.
Since the rate of growth is proportional to the number of bacteria, we can write this relationship as a differential equation: dP/dt = kP, where k is the proportionality constant.
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8 What does the sample space represent?
Answer:
In probability theory, the sample space (also called sample description space[1] or possibility space[2]) of an experiment or random trial is the set of all possible outcomes or results of that experiment.[3] A sample space is usually denoted using set notation, and the possible ordered outcomes are listed as elements in the set. It is common to refer to a sample space by the labels S, Ω, or U (for "universal set"). The elements of a sample space may be numbers, words, letters, or symbols. They can also be finite, countably infinite, or uncountably infinite.[4]
For example, if the experiment is tossing a coin, the sample space is typically the set {head, tail}, commonly written {H, T}.[5] For tossing two coins, the corresponding sample space would be {(head,head), (head,tail), (tail,head), (tail,tail)}, commonly written {HH, HT, TH, TT}.[6] If the sample space is unordered, it becomes {{head,head}, {head,tail}, {tail,tail}}.
For tossing a single six-sided die, the typical sample space is {1, 2, 3, 4, 5, 6} (in which the result of interest is the number of pips facing up).[7]
A subset of the sample space is an event, denoted by E. Referring to the experiment of tossing the coin, the possible events include E={H} and E={T}.[6]
A well-defined sample space is one of three basic elements in a probabilistic model (a probability space); the other two are a well-defined set of possible events (a sigma-algebra) and a probability assigned to each event (a probability measure function).
Another way to look as a sample space is visually. The sample space is typically represented by a rectangle, and the outcomes of the sample space denoted by points within the rectangle. The events are represented by ovals, and the points enclosed within the oval make up the event.[8]
Is a chickens egg multi or unicellular?
two reasons wy it's important to conserve Soth Africa's plants and animals
Answer:
The benefits of conserving biodiversity are numerous. A large proportion of South Africa's population are directly dependent upon biological resources for subsistence purposes, including the gathering, harvesting or hunting of animals and plants for food, medicine, shelter, fuel, building materials, and trade.
Explanation:
Which of the following disorders is caused by a defect in the production of an elastic connective tissue protein called fibrillin?
cystic fibrosis
Tay-Sachs disease
Marfan syndrome
Huntington disease
sickle-cell disease
Marfan syndrome is caused by a defect in the production of an elastic connective tissue protein called fibrillin.
Marfan syndrome is a genetic disorder that affects the body's connective tissue, which provides support and structure to various organs and tissues. The correct option is" Marfan syndrome is a disorder caused by a defect in the production of an elastic connective tissue protein called fibrillin".
Marfan syndrome is caused by mutations in the gene responsible for producing the protein called fibrillin-1. Fibrillin is a critical component of connective tissue and is involved in maintaining the strength and flexibility of various body structures, including the heart, blood vessels, bones, joints, and eyes.
Individuals with Marfan syndrome often have tall stature, long limbs, and flexible joints. They may also have various cardiovascular abnormalities, such as aortic aneurysms or valve problems. Other common features include a long, narrow face, a high-arched palate, a curved spine (scoliosis), and lens dislocation in the eye.
The correct option is "Marfan syndrome is a disorder caused by a defect in the production of an elastic connective tissue protein called fibrillin".
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Explain what is included in the Hydrosphere and how it affects the Carbon Cycle.
Answer: There is carbon found in the hydrosphere
Explanation: Carbon is used by many organisms to produce shells. And many marine plants use carbon for photosynthesis.
At which positions will result in the lowest high tides and the highest low
tides of the lunar month (smallest tidal range)?
О 1 and 5
0 1 and 3
O3 and 7
O4 and 8
Which of the following is the correct Lewis structure diagram for Sodium (Na)? (2 points)
Select one:
a. The letters Na with one dot
b. The letters Na with two dots
c. The letters Na with three dots
d. The letters Na with four dots
Answer:
a. The letters Na with one dot
Explanation:
An atom can be defined as the smallest unit comprising of matter that forms all chemical elements. Thus, atoms are basically the building blocks of matters and as such determines or defines the structure of a chemical element.
Generally, atoms are typically made up of three distinct particles and these are protons, neutrons and electrons.
In Chemistry, electrons can be defined as subatomic particles that are negatively charged and as such has a magnitude of -1.
Valency can be defined as a measure of the combining power of a chemical element with other atoms to form a molecule or chemical compound.
Valence electrons can be defined as the number of electrons present in the outermost shell of an atom. Thus, valence electrons are used to determine whether an atom or group of elements found in a periodic table can bond with others.
Sodium is a chemical element that is found in group (1) of the periodic table and as such it has 1 electrons in its outermost shell. Also, the chemical symbol for Sodium is Na and it has one (1) valence electron.
A Lewis structure can be defined as a structural representation of an atom or molecule by using a dot to show the position and distribution of electron(s) around the atom or molecule.
Hence, the letters Na with one (1) dot is a correct Lewis structure diagram for Sodium (Na) because it has just one (1) valence electron in outermost shell.
For example, the Lewis structure diagram for Sodium (Na) is •Na.
Answer:
Na with 1 dot
Explanation:
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Why do hurricanes lose strength when they move over land?
A.) There is no longer a source of warm, moist air.
B.) There is not enough energy coming from the Sun.
C.) Evaporation and condensation cannot take place over land.
D.) The winds on the land cancel out the winds of the hurricane
Answer: c.
Explanation:there is no water the hurric can absorb