Answer:
Explanation:
Deoxyibonucliec acid(DNA) contains the genetic constituent of an individual for a child or an individual he inherits equal proportion of genetic make up or traits from both mother and father hence, the genetic constituent of a child is never 100% mother or 100% father but a blend of the two to give a new genetic makeup that have never existed before and cannot be entirely identical with either parents but 50% identical with each parent.
Mutation is a sudden change in genome of an organism that is heritable, mutation alters the genetic constituent making it different from the original plan hence, if mutation should occur an individual could have a look that is not identical with the parent because the physical expression is the function of the genetic make up.
Chromosome crossing over effect could also alter the make up of an individual making it different from parental gene.
NEED HELP ASAP FIRST PERSON TO CORRECTLY ANSWER WILL GET MARKED BRAINLIEST
4. What statement best describes the composition (parts that make up) of an
ecosystem?
a. Animals and rocks
b. Bacteria and fungi
C. Sunlight and water
d. Biotic and abiotic factors
Answer:
D
Explanation:
This includes all things living and not.
What is a trophic cascade?
Which of the following is qualitative information?
A. The mineral is red and hard
B. The mineral has a hardness of 8
C. The mineral has a mass of 2 grams
D. The mineral has a volume of 4 cm3
Answer:
option A. is correct.
hope it helps
Answer:
A, The Mineral is red and hard
Explanation:
Because the definition of qualitative is describing an object based on looking at it, and the other selections are just weight and feel.
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In what form does carbon move from the atmosphere into the biological
food webs?
Answer:
Carbon enters all food webs, both terrestrial and aquatic, through autotrophs, or self-feeders. Almost all of these autotrophs are photosynthesizers, such as plants or algae. Autotrophs capture carbon dioxide from the air or bicarbonate ions from the water and use them to make organic compounds such as glucose.
Describe the function of each organelle.
Nucleus
awnser:
The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material.
Answer:
The nucleus is the central and most important part of an object, it controls and regulate the activity of cells. The nucleus also carries the genes.
Explanation:
Write one scientific question about the organism in the photo.
Answer:
why would this organism a close ancestor of humans evolve differently than us.
Which describes a group of organisms that are members of a species?
Answer:
Population is defined as a group of organisms, which belong to the same species. Example- Human population includes a group of organisms that all belong to the species sapiens
Explanation:
Urgent I’m so confused
Homeostasis is when an internal stimulus causes an external response.
True or False???
Which sphere was impacted the most?
Humans are part of the biosphere because we are living things. The biosphere includes ALL living things.
select the correct answer from each drop down menu. BLANK will develop pharyngeal arches. BLANK will develop a postnatal tail in the embryonic stage.
the first blank the opinions are
1. earthworms
2. barb fish
3. crabs
4. leeches
and for the second the opinions are
1. ladybugs
2. snails
3. sea cucumbers
4. newts
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Actually Welcome to the Concept of the Biology
1) Brab Fish
2) Newts
whos trying to helps me ?
Answer:
1.9mL to 8.7mL (Answer A)
Answer:1.9ml to 8.7ml
Explanation:
When you first see something, the cornea projects an image onto your:
A. optic nerve
B. occipital lobe
O c. retina
D. iris
Answer:
C
Explanation:
Retina
______ is a part of all organic compounds, which make up living things.
Answer:
Carbon.
Explanation:
Carbon is a part of all organic compounds.
Explain in detail the inter-relationship
between the food chain and food
web.
Answer:
A food web consists of many food chains. A food chain only follows just one path as animals find food. eg: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. A food web shows the many different paths plants and animals are connected.
Why is water important for digestion
Water is essential for good health. Water and other liquids help break down food so that our body can absorb the nutrients. Water also softens stool,which helps prevent constipation.
name the following the plant hormone which is responsible for the ripening of fruits
Answer:
ethylene
Explanation:
plant hormone responsible for fruit ripening as well as senescence of vegetative tissues.
how do we know energy is transferred in an energy pyramid?
Answer:
While food chains and food webs show relationships between organisms, and energy pyramid quantifies the amount of energy transferred from one trophic level to the next, when one organism eats another, wherein approximately 10% of the energy available is retained and passed along.
is Wood Block a mineral or non-mineral
Answer:
Non-mineral
Explanation:
Wood is not a mineral. Minerals are rock and other types, but wood is not a rock.
You are a virologist interested in studying the evolution of viral genomes. You are studying two newly isolated viral strains and have sequenced their genomes. You find that the genome of strain 1 contains 25% A, 55% G, 20% C, and 10% T. You report that you have isolated a virus with a single-stranded DNA genome. Based on what evidence can you make this conclusion
Answer:
See the answer below
Explanation:
In double-stranded DNA, the ratio of purine bases (Adenine and Guanine) and that of pyrimidine bases (Thymine and Cytosine) is 1:1 according to Chargaff's rule. This means that the percentage of Adenine must be equal to that of Guanine while that of Thymine must also be equal to Cytosine.
However, in the case of the newly isolated viral strain, the amount of Adenine (25%) and Guanine (55%) vary while that of Thymine (10%) and Cytosine (20%) also vary. This is in contrast to Chargaff's rule. Hence, the isolated virus is a single-stranded DNA virus instead of a double-stranded.
Drag the tiles to the correct boxes to form correct pairs. Not all tiles will be used.
Match each example given to the type of scientific concept.
theory
hypothesis
law
observation
If the amount of daylight
increases plant growth, then
plants will have higher rates
of growth during the summer.
arrowBoth
The outer layer of the Earth is
divided into plates that move
due to convection currents
under the surface.
arrowBoth
For every action or force
in nature, there is an equal
and opposite reaction.
arrowBoth
Answer and Explanation:
If the amount of daylight increases plant growth, then plants will have higher rates of growth during the summer. hypothesis. The outer layer of the Earth is divided into plates that move due to convection currents under the surface. theoryFor every action or force in nature, there is an equal and opposite reaction. law A hypothesis is a scientific conjecture, not verified that requires corroboration. It is a possibility, but not a fact. A hypothesis must express what is expected to occur in a perfectly comprehensive manner. There must be a logical relation between variables. It must be objective. The researcher suggests a hypothesis in order to predict what is going to happen. There are different kinds of hypotheses: descriptive, correlative, differentiative, or causative. A law is an affirmation based on repeated experimental observations, it is not that might describe one aspect of a natural phenomenon. This means that it is corroborated by facts, and not only by logic. There is a relation cause-effect. The scientific theory is a conceptual framework used to explain facts or phenomena and to make predictions. The theory is fundamental to science because it allows scientists to organize and understand observations. The construction of a theory begins with a hypothesis. The scientist believes that a certain phenomenon occurs in a certain way and so he/she performs observations under the scientific method to prove that his/her hypothesis is valid or not valid. The systematization of the observations as well as of the empirical data collected might derive in a scientific theory that can explain the analyzed phenomenon. A scientific theory is a knowledge that was contrasted in several ways.
Describe how the following are important in the makeup of the cell membrane: 1. Phospholipid bilayer 2. Proteins 3. Carbohydrates 4. Cholesterol
Answer:
1. Phospholipid bilayer - The lipid bilayer acts as a barrier to the passage of molecules and ions into and out of the cell
2. Proteins - Membrane transport protein (or transporter) is a kind of membrane protein that involved in the movement of ions, small molecules, or macromolecules across a biological membrane.
3. Carbohydrates - Carbohydrates covalently linked to proteins (glycoproteins) or lipids (glycolipids) are also a part of cell membranes, and function as adhesion and address loci for cells.
4. Cholesterol - Cholesterol reduces permeability of lipid membranes. ... Cholesterol plays has a role in membrane fluidity but it's most important function is in reducing the permeability of the cell membrane.
Explanation:
is suger a monomer and suger cube a polymer?
Why were Oparin and Darwin's ideas about the Origins of Life not immediately considered to be part of a scientific theory about the origins of life on Earth?
Answer:
Darwin's opinion seems to have changed over time from his original remark in the 1861 3rd edition of The Origin of Species.
Oparin and Darwin’s ideas about the Origins of life are not immediately considered to be part of a scientific theory about the origins of life on earth because the ideas they proposed were difficult to test or observe.
What is Oparin's hypothesis regarding the origin of life?According to the Oparin hypothesis life originate from inorganic molecules, like amino acids considered to be formed first, and then combines to form complex polymers.
This hypothesis has no scientific proof due for this reason the idea of Oparin idea was not immediately considered to be part of a scientific theory.
The theory given by Darwin challenged the idea that God is the creator of all animals and plants that are present on earth and there were no proper pieces of evidence to prove this theory when it is published to convince several scientists.
Due to a lack of pieces evidence and scientific proof, Oparin and Darwin's ideas about the Origins of Life on earth are not immediately considered to be part of scientific theory.
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How could you model this process in a different way? Explain how you’d design this model so that the entire process is clear to the reader.
Answer:
Edmentum and Plato sample answer
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An illustrated diagram would be helpful in understanding the transmission. The diagram would show an adult, with the major parts of the nervous system highlighted. The nerve pathways involved in stimuli processing and response would be highlighted in different colors to show autonomic and somatic and parasympathetic and sympathetic parts of the nervous system.
What is the importance of studying fossils? * A. To provide information about current life forms and current environmental conditions B. To provide information about how life and environmental conditions may have changed C. To provide information about how previous life forms would exist in current environmental conditions D. To provide information about how current life forms would exist in previous environmental conditions
Answer:
The answer D
Explanation:
Paleontologists find and study fossils all over the world, in almost every environment, from the hot desert to the humid jungle. Studying fossils helps them learn about when and how different species lived millions of years ago. Sometimes, fossils tell scientists how the Earth has changed.
Only green organisms have chloroplasts, so do green frogs and toads have chloroplasts??
Answer:
Chlorophyll is a cell that comes from plants not animals.
Explanation:
Chlorophyll is the part of chloroplast and is the light absorbing pigments which provide green color to the plants, but chloroplast traps the solar energy, which is the site of photosynthesis and other chemical reactions and works as the ‘powerhouse of the cell’ like mitochondria.
What trophic levels contain more energy? please help
-Give an example of a scientific law.
-Give an example of a theory in science.
Please help :)
Answer:
An example of a scientific law is Newton's first law.
Explanation:
It says that every object will remain at rest or in uniform motion in a straight line unless forced to change direction by the action of an external force.
An example of a theory in science is the Big Bang theory. It is something that someone came up with that is a rational explanation to explain why or how something happened or came into place.
Suppose you have two liquids. One has a pH of 2. The other has a pH of 9. What can you tell from those pH?
Answer:
The liquid with a pH of 2 is an acid. The liquid with a pH of 9 is a base.
Explanation:
pH Scale:
1 2 3 4 5 6 7 8 9 10 11 12 13 14
A pH scale ranges from 1 - 14.7 is neutral.Any number on the scale less than 7 is acidic (acid).Any number on the scale more than 7 is basic (base).explain why it is important for a scientist to be both logical and creative.