A change at the molecular level leads to a change in phenotype if the change happens in the DNA of organisms.
What is mutation?It is a change to the genome of organisms.
A change to the DNA sequence of organisms may or may not manifest in the morphological appearance of organisms.
A change to the DNA sequence of organisms means that entire new proteins would be synthesized and only in this way can the phenotype of organisms be altered as a result of a change at the molecular level.
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Explain why electric forces are essential to forming compounds.
explain why electric forces are essential to forming compounds
electrical forces cause particles to attract, repel, and form bonds
Describe pioneer species in your own words.
Answer:
Earliest species in a newly created enviornnment and creating community.
Explanation:
Do oomecytes have a relationship with any other organisms?
Answer:
Yes
Explanation:
. Oomycetes are classified in the kingdom Protoctista and are related to heterokont, biflagellate, golden-brown algae.
Which organelle is used as temporary storage for water, waste products, food, and other cellular material?
mitochondrion
lysosome
centriole
vacuole
The ______ system is assisted by the lymphatic system and the physical barriers of the skin and gastrointestinal tract. Select one: a. immune b. skeletal c. respiratory d. nervous
Answer:
immune
Explanation:
The lymphatic system is a network of tissues, vessels and organs that work together to move lymph back into your your bloodstream. The lymphatic system is part of your immune system.
Name the whorls of the flower.
The _____ is the center of a stem and can store food. cortex vascular cylinder pith receptacle
Answer:
the pith
Explanation:
it stores nutirents in its cells and is in the center of a stem
What muscle covers the ventral, pectoral region in rats?
The muscle that covers the vetral, pectoral region in rats is called pectoralis major.
Pectoralis majorIn rats, pectoralis major is a muscle which can serve as a vascularized, innervated muscle flap model. The pectoralis major consists of two portions, the pectoralis superficialis and the pectoralis profundus.
Therefore, the muscle which covers the ventral, pectoral region in rats is pectoralis major.
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Objects that orbit the Sun include planets, dwarf planets, asteroids, and ________. These objects _______________the Sun’s light.
The leading cause of limited water supplies is _______. a. low precipitation b. overuse c. limiting use d. government please select the best answer from the choices provided a b c d
The leading cause of limited water supplies is low precipitation. Anything will not be limited until a huge production has been created. Hence, overuse, limiting use, and government are not responsible for the cause of limited water supply.
What do you mean by Precipitation?Precipitation may be defined as any sort of water that originates in the Earth's atmosphere and then falls onto the surface of the Earth. It includes snow, rain, hail, dew, etc.
Precipitation is considered the major component of the water cycle that mediates the transport of water movement across the planet. If it declines, the supply of water gets limited.
Therefore, the leading cause of limited water supplies is low precipitation.
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please help me i missed this one
Answer:
I think 50 % is the best answer
Explanation:
PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT PLEASE
Why is the presence of clay particles important in soil?.
Answer:
Tiny particles (humus and clay) are very important for holding plant nutrients in the soil. Clay and humus particles have a negative surface charge. Cations are positively charged. Because opposites attract, the clay and humus hold cations, and prevent them from being leached out of the soil by water movement.
Explanation:
hope this helps
Codons specify for what building block of a protein?
ribose
O deoxyribose
nucleotides
O amino acids
Answer:
The answer is nucleotides.
Explanation:
The term codon refers to a sequence of three nucleotide bases.
Describe the similarities and differences between microevolution and macroevolution
Answer:
similarities
Micro- and macroevolution use the same processes of evolutionary change. These processes are migration, mutation, genetic drift, and selection. These show changes within populations or groups of populations over time, usually within a generation or two.
differences
Microevolution is the process by which organisms change in small ways over time. Macroevolution refers to larger evolutionary changes that result in new species.
What do we call the period of ancient greece history that occurred before the greeks introduced democracy?.
Answer:
What was the period of Ancient Greece history that occured before the Greeks introduced democracy? Archaic Period. What major civilisation came soon after the Greeks and was greatly influenced by Greek culture? Rome.
Can someone please help me? :(
Answer:
C
Explanation:
trust
Answer:
It's C and A
Explanation:
When populations approach their carrying capacity, their resources ________.
Answer:
Becomes more scarce
Explanation:
The resources become more rare because the growth rate approaches zero.
What ocean did the Roman Empire border at its height
A commercial for a new snack bar promises athletes that it will help them build lean muscle and increase their available energy. What 2 nutrients (biomolecules) will this snack bar need in large quantities to fulfill that promise
Answer: Proteins and carbohydrates
Explanation: Functions of a protein include building, repair, and recovery of tissues in muscle, skin, organs, blood, hair, and nails. While
Carbohydrates supply your body with quick available energy and some examples are breads, grains, and pasta.
Which processes DO release carbon into the atmosphere?
im stuck on this- anyone know what it is??
Answer:
B
Explanation:
Flowering plants because it comes after come bearing plants on the diagram. The diagram starts from the green algae and ends at flowering plants.
Facilitated diffusion and active transport are different in that _____
Answer:
facilitated diffusion doesn't require energy, while active transport requires energy. Facilitaded difusion happens down the concentration gradient (molecules move from area of higher concentration to area of lower concentration), while active transports happens up the concentration gradient (from lower concentration to higher concentration).
Explanation:
The situation in which allele frequencies remain constant is called:.
Answer:
Genetic Equilibrium.
Explanation:
Which term refers to the shallow grooves found on each of the cerebral hemispheres?.
Answer: Elevated ridges of tissue, called gyri (singular: gyrus), separated by shallow groves called sulci (singular: sulcus) mark nearly the entire surface of the cerebral hemispheres.
Genetic variation can be defined as changes in the genetic makeup of individuals in a population. Several factors contribute to genetic diversity. Select ALL that apply.
A. mutations
B. genetic recombinations
C. organisms want to survive
D. s**ual reproduction
E. mitosis
What happens to macromolecules from food during digestion?
What atoms make up sugar molecules, amino acids, and fatty acids?
What do you notice about the atoms that make up these molecules?
How are these atoms used to make new molecules? What types of molecules are
made?
Where does the energy come from to produce these new molecules?
If there is not enough carbohydrate intake, how does the body form glucose?
If there is a glucose shortage, how does the body produce energy?
Answer:
Explanation:
. Chemical digestion is the biochemical process in which macromolecules in food are changed into smaller molecules that can be absorbed into body fluids and transported to cells throughout the body. Substances in food that must be chemically digested include carbohydrates, proteins, lipids, and nucleic acids.
2.A fat molecule, such as a triglyceride, consists of two main components—glycerol and fatty acids. Glycerol is an organic compound with three carbon atoms, five hydrogen atoms, and three hydroxyl (–OH) groups.
3. If it's in the table, it's an element! Atoms can join together - they form bonds together - to make MOLECULES. For example, two atoms of hydrogen hook together to form a molecule of hydrogen, H2 for short.
4. When atoms join together to form molecules, they are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons between the atoms. It is only the electrons in the outermost shell that ever get involved in bonding.
A compound is a molecule made of atoms from different elements. There are two main types of chemical bonds that hold atoms together: covalent and ionic/electrovalent bonds. Atoms that share electrons in a chemical bond have covalent bonds. An oxygen molecule (O2) is a good example of a molecule with a covalent bond.
5.Beginning with energy sources obtained from their environment in the form of sunlight and organic food molecules, eukaryotic cells make energy-rich molecules like ATP and NADH via energy pathways including photosynthesis, glycolysis, the citric acid cycle, and oxidative phosphorylation.
Transplanting embryonic eye tissue under the skin on the back of a developing tadopole (frog) will cause an eye to grow on the back of the tadpole. This is an example of: A. pattern formation B. induction C. positional information D. convolution
Transplanting embryonic eye tissue under the skin on the back of a tadopole (frog) is an example of positional information
What is positional information?Extrinsic (positional) information, which is received from neighboring cells. For example, a cell may receive chemical signals from a neighbor that instructs it to become a particular type of photoreceptor cell (light-detecting neuron).
With this information, we can conclude that transplanting embryonic eye tissue under the skin on the back of a tadopole (frog) is an example of positional information.
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CAN SOMEONE PLEASE PLEASE HELP ME:( THIS NEEDS TO BE SENT FOR GRADING RN PLEASE HELP ME
Answer: I'll help
Explanation:
21. Wood
22. 1885
23. 1890
24. 1945
These are rough estimates because it's a little difficult to interpret the graph but this should be close enough hopefully
Does anyone know science well that can help me?
Answer: ok so the first one is gravity and the second one is law of inertia .
Explanation: gravity is a force of attraction between objects that is due to their masses . Law of inertia is also called newton's first law . HOPE IT HELPS YOU .PLEASE GIVE BRAINLIEST .THANKS .
The storage of fat necessary for normal body functioning is called:.
Answer:
The correct answer is called essential fat. Give me Brainiliest