What is the basic unit of structure and function of all living organisms?
O mitochondrion
ODNA
nucleus
cell
Answers
Answer:
Cell
Explanation:
The cell is the basic unit of allllllll life on Earth. It is also the smallest thing that can still be considered 'living'. All the other choices (mitochondrion, DNA, and nuclelus) are parts of a cell, but can't be living structures on their own.
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Related Questions
Prophage refers to: (please give right answer only)
Answers
Answer:
: an intracellular form of a bacteriophage in which it is harmless to the host, is usually integrated into the hereditary material of the host, and reproduces when the host does.
of
5. Which cannot fix atmospheric nitrogen in the soil?
b) Clostridium c) Azotobacter
a) Rhizobium
d) Penicillin
Answers
Answer:
The atmospheric nitrogen cannot be taken directly by plants and animals. Certain bacteria and blue green algae present in the soil fix nitrogen from the atmosphere and convert into compounds of nitrogen.
hope it helped
Mendel bred a purple-flowered pea plant with a white-flowered pea plant and found that all the offspring had purple flowers. But then when he bred together two of the purple-flowered offspring, some of their offspring had white flowers. Using the concepts of dominant and recessive alleles, explain how the trait of white flowers skipped a generation.
Answers
Purple gene(which occurs in pairs of PP which are both dominant alleles) crossed with a recessive pp(white flowered) after crossing, all the offspring had Pp. Purple being dominant suppressed the white(p).
after crossing the offspring, (Pp and Pp) a quarter the offspring lacked the dominant allele P hence allowing the recessive colour white to be shown.
What Organelles do plants cells have that animal cells do not? Why won't animal cells need these organelles? NO COPY AND PASTE!
Answers
Answer:
chlorophyll and cell walls
Explanation:
plants are producers that make there own food using the chlorophyll in there own cells there cell walls are there to help maintain the water in their cells animals on the other hand must consume food to acquire energy and they don't need cell walls to maintain cellular water because they get more water drinking
What do arches and bacteria have in common ?
Answers
Answer:
-Bacteria contain fatty acids on the cell membrane, whereas archaea contain phytanyl. Explain the statement that both types, bacteria and archaea, have the same basic structures, but built from different chemical components. Both bacteria and archaea have cell membranes and they both contain a hydrophobic portion.
Explanation:
Archaea and bacteria are both prokaryotes, meaning they do not have a nucleus and lack membrane-bound organelles. ... Both archaea and bacteria have flagella, thread-like structures that allow organisms to move by propelling them through their environment.Bacteria contain fatty acids on the cell membrane, whereas archaea contain phytanyl. Explain the statement that both types, bacteria and archaea, have the same basic structures, but built from different chemical components. Both bacteria and archaea have cell membranes and they both contain a hydrophobic portion
How is WHAM related to Nucleic Acids?
Answers
Answer:
Nucleic acid is an important class of macromolecules found in all cells and viruses. ... Deoxyribonucleic acid (DNA) encodes the information the cell needs to make proteins. A related type of nucleic acid, called ribonucleic acid (RNA), comes in different molecular forms that participate in protein synthesis.
Explanation:
WILL GIVE BRAINLIEST TO WHOEVER CAN EXPLAIN:
True or False-in scientific notation when you move the decimal point left is it positive.
Answers
Answer:
Explanation:
value of the exponent. - If you moved the decimal point to the left, make the exponent positive. - If you moved the decimal point to the right, make the exponent negative.
Answer:
If the given number is multiples of 10 then the decimal point has to move to the left, and the power of 10 will be positive. Example: 6000 = 6 × 10 3 is in scientific notation. If the given number is smaller than 1, then the decimal point has to move to the right, so the power of 10 will be negative.
Explanation:
yeah i rlly need brainliest lol
Fun Fact: The longest English word is 189,819 letters long
Which describes a difference between solar wind and a geomagnetic storm? Select the three correct answers.
Answers
Answer:
Hope it may help you.
Explanation:
The intensity of solar wether changes frequently
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Compare and contract induction and deduction.
Answers
Answer:
Both deduction and induction are a type of inference, which means reaching a conclusion based on evidence and reasoning. Deduction moves from idea to observation, while induction moves from observation to idea. Deduction is idea-first, followed by observations and a conclusion.
Explanation:
Which bio molecule is responsible for long term energy
Answers
Answer:
C; lapids
Explanation:
Interaction with the Environment
Answers
Answer:
Human environment interaction is the way people adapt and modify the environment. There are 3 types of human environment interaction The way people depend on the environment for food, water, timber, natural gas etc. The way people modify the environment positively or negatively like drilling holes, building dams.
Explanation:
On a graph, the vertical axis is
the y-axis and the horizontal
axis is the x-axis. Onəwhat axis
should the INDEPENDENT
VARIABLE be placed?
A
on the vertical or y-axis
B
on the horizontal or x-axis
Answers
Answer:
x-axis
Explanation:
you control those values/variables
On a cartesian plane, the independent variable belongs on the x-axis.
What are coordinates?A pair of numbers called coordinates are used to locate a point or a form in a two-dimensional plane. The x-coordinate and the y-coordinate are two numbers that define a point's location on a 2D plane.
The independent variable is the variable that is being manipulated or controlled in an experiment, and its values are typically plotted along the horizontal or x-axis.
The dependent variable, which is the variable being measured or observed in response to changes in the independent variable, is usually plotted on the vertical or y-axis.
This convention allows us to easily visualize and analyze the relationship between the two variables.
therefore, The independent variable belongs on the x-axis (horizontal line) of the graph and the dependent variable belongs on the y-axis (vertical line). The x and y axes cross at a point referred to as the origin, where the coordinates are (0,0).
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tudents put the same type of bacteria in 15 Petri dishes. Antibiotic A was applied to 5 dishes, Antibiotic B was applied to 5 dishes and Antibiotic C was applied to 5 dishes. At the end of 2 weeks, the number of bacteria colonies were counted. What is the independent variable?
Answers
Answer:
The type of Antibiotic.
Explanation:
The independent variable is the variable that is changed in an experiment.
In this case, there are different types of antibiotics in this experiment.
state 3 main parts of eukaryotic cell
Answers
Answer:
The three main parts of a eukaryotic cell are the cell membrane, the cytoplasm and the nucleus.
Answer:
Cell Membrane, Cytoplasm, and The Nucleus.
Explanation:
The head is what to the tail
Answers
What similarities, if any, do you think exist between a human’s reproductive cycle and the life cycle of a fern? What differences, if any, can you think of?
Answers
Answer:
The similarity between ferns and humans is that both go through meiosis and mitosis. But ferns are different because they have multicellular, free-living haploid and diploid forms. In humans, the haploid stage exists in the form of single cells—sperm and eggs. Only the diploid stage that begins with a zygote grows mitotically to form a multicellular, free-living human.
Explanation:
Humans and ferns are similar as both of these organisms fertilize to reproduce while differs in the haploid form of life which is present in the ferns and the male and female reproductive parts present in humans.
What is the life cycle of a fern?
The life cycle of fern includes the diploid fern which gives rise to the haploid spores that grows and form a gametophyte plant in which both the male and female reproductive systems are present. The male gamete undergoes fertilization with the female gamete to form a diploid spore (seed) which gives rise to the new fern plant.
Human’s reproductive cycle include diploid animals and the male and female genders which can be distinguished clearly. The male gamete-sperm fertilizes with the female gamete-egg to form the diploid zygote that gives rise to a new human.
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What can be observed on the empty plastic bag?
Answers
What does a cell need to be a prokaryote cell?
please help me i’m stuck !!
Answers
Answer:
The Prokaryotic CellProkaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.
how the consumers in one level of the pyramid obtain energy from the organisms at the previous level of the pyramid
Answers
Answer:
by feeding on the organism on the previous level, the consumers at each level will receive energy. However, most of the energy is lost at each trophic level and very little gets transferred from one trophic level to another. Approximately, 10% of the energy is transferred from one trophic level to another.
Explanation:
hence, when a level takes energy from a previous level, the engery transfers but slowly gets less, so some levels get less energy depending on where the engery was located.
How do red blood cells help animals?
Answers
Answer:
The function of RBCs is to carry oxygen to the tissues at pressures sufficient to permit its rapid diffusion. Explanation:
Answer:to carry oxygen from lungs to tissues
Explanation:they contain haemoglobin, which has Fe that binds to the oxygen to be carried
Open-pit mining creates a large hole in the ground after minerals are removed from the surface. Which statement best describes an environmental consequence of this process?
Heavy metals are released into surrounding soil, poisoning local vegetation.
High salinity of wastewater reduces soil fertility and growth of vegetation.
Billions of gallons of water are pulled from surrounding ecosystems.
Wastewater is contaminated with oil and becomes sludge in landfills.
Answers
Answer: (A) Heavy metals are released into surrounding soil, poisoning local vegetation.
Explanation: Open-pit mining falls under the surface mining category in the lesson 01.07 page 3/8 under the affects of surface mining the only one that is in the multiple choice questionnaire is "Heavy metals are released into surrounding soil". (don't know how much this helps since I'm 7 days late but hey this is a new curriculum and I've had trouble finding answers on brainy so why not contribute for once ¯\_(ツ)_/¯ )
The correct statement that best describes an environmental consequence of open-pit mining is that heavy metals are released into the surrounding soil, poisoning local vegetation.
The large hole left by open-pit mining becomes filled with water during heavy rains with heavy metals dissolving in the water to form solutions.These solutions percolate the surrounding soil and when they are taken up by the vegetation on the soil, the plants become poisoned by the heavy metals.In other words, the hole created by open-pit mining serves as an avenue for heavy metals to get into the surrounding soil and gets into the food chain through the plants.
More on the environmental consequences of mining can be found here: https://brainly.com/question/1757425
A cell sends messages to itself via
O paracrine signaling
o the endocrine system
k
o the nervous system
O autocrine signaling
Answers
A cell sends messages to itself via Autocrine Signaling
Autocrine signaling refers to the generation and extracellular secretion of a given chemical messenger that interacts with receptors present in the plasma membrane of the same target cell, thereby initiating a signal transduction pathway.An example of an autocrine signaling pathway is the production and secretion of the cytokine interleukin-1 (IL-1) pro-inflammatory cytokine in monocytes.Moreover, paracrine signaling is a type of signaling that occurs between local cells.Endocrine signaling is a type of signaling pathway that occurs between distant cells. This type of signaling is mediated by chemical messengers called 'hormones' which are released from endocrine cells and travel throughout the body.Learn more in:
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After running 45 meters, how far is she from the beginning of the track
Answers
Answer:, she will be on the 55-meter as the sum of 10 and 45 is 55
Explanation:Therefore, her distance from the beginning of the track will be 55 - 0 = 55
You are building a birdhouse when you cut your finger. Predict which body systems would be immediately involved with your reaction to the cut.
A. nervous system, circulatory system, integumentary system
B. digestive system, endocrine system, lymphatic system
C. integumentary system, reproductive system, muscular system
D. skeletal system, respiratory system, urinary system
Answers
Answer:
A.
Explanation:
The nervous system, circulatory system, integumentary system, will be involved.
Hope this helps, have a great day.
The body systems that would immediately get involved with my reaction to the cut are nervous system, circulatory system, integumentary system. That is option A
The systematic factors that are required for wound healing after sustaining a cut in the finger include:
The nervous system: here the nerve cells in the skin help wounds to heal. When an injury occurs, cells known as glial cells change into repair cells and disseminate into the wound, where they help the skin to regenerate.The circulatory system: The cut surfaces become inflamed and blood clot and cell debris fill the gap between them. Phagocytes from the blood stream, begins to remove the clot and cell debris stimulates fibroblast.The integumentary system: the skin contains extracellular matrix (ECM) which is made of collagen and elastic fibres that provide structure to the skin and are necessary for wound closure.Learn more here:
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What is the control group??
Answers
What is the key to studying biology?
Answers
Answer:
To learn biology, you have to understand the words and terms used to explain it. As you encounter words you don't recognize, write them down and then look them up. When words seem to have prefixes or roots, take the time to break them down and understand their parts.
Hope it helps to you.Answer:
If you love to learn about living things and how they relate, studying biology might be the right fit for you.
if a cut bubbles with peroxide, what does that indicate about what is present inside the blood?
Answers
Help me. Which of the following describes the main role of the electron transport chain in cellular respiration? Picture below
Answers
Answer:
It produces molecules of ATP
Explanation
The electrons transfer their energy to the proteins in the membrane providing the energy for hydrogen ions to be pumped across the inner mitochondrial membrane.
Hope this helps you
Answer:
mark me as Brainlist.
Explanation:
A) it's produce molecules of ATP.
name the processes A and B shown in Fig 2.1
Answers
Answer:
this is food chain of living beings
PLS PLS. HELP
List the four main steps of celluler respiration.
Answers
Answer:
glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation.
Explanation:
You really need to know this in biology
Answer:
The stages of cellular respiration include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation.
Explanation:
hopes it help