Proteins contain about 4,1 kcal/gram
carbohydrates contain about 4,1kcal/gram
lipids contain about 9,1 kcal/gram
so the answer is lipids
Which of the following is an example of descent with modification
This will lead to change in populations over generations in a process that Darwin called descent with modification. ... One of the best examples has been demonstrated in the very birds that helped to inspire Darwin's theory: the Galápagos finches.
a mechanism for evolution; all organisms are related through descent from an ancestor; descendants accumulated adaptations; descent of all organisms from an ancestor that lived in the past; descendants accumulated diverse modifications (adaptations)
if the first one doesnt work try the second
An example of descent with modification is a bacterium that inherits a gene for antibiotic resistance, has a more significant possibility of survival. Natural selection then applies that resistance through the population, forcing scientists to come up with a new antibiotic.
What is darwin's theory of descent with modification?Darwin described evolution as "descent with modification," the theory that species evolve over time, give rise to new species and transmit a common progenitor.
The means that Darwin proposed for evolution is natural selection.
Thus, a bacterium that inherits a gene for antibiotic resistance, is an example of descent with modification.
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what is the function of the protein keratin
Answer:
Keratin serves important structural and protective functions, particularly in the epithelium. Some keratins have also been found to regulate key cellular activities, such as cell growth and protein synthesis
Which statement explains the goal of using sustainable practices in food
production?
Answer: c
Explanation:
Please Helpp Ill give you points
Answer:
amino acid
Explanation:
Letter G represents the attachment site for an amino acid
What are the compounds used in mitochondria for cellular respiration?
Fermentation and cellular respiration are both processes the breakdown glue close and
A. Store lactic acid in bonds
B. Release energy from bonds C. Require 02 as a reactant D. Produce ethyl alcohol 
Answer:
B. Release energy from bonds
Which mutation results in the production of molecules that can be used as a source of energy?
a mutation that causes bacteria to fight off antibiotics
a mutation that breaks down the sugar in milk, lactose
a mutation that changes the color of a part of a flower
Answer:
a mutation that breaks down the sugar in milk, lactose
Explanation: sugar that is broken down can be used as a source of energy
Answer:
The correct answer is B. a mutation that breaks down the sugar in milk, lactose
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- Where does the National Weather Service get weather observations?
a. from 11,000 Cooperative Weather Observers
b. from thousands of radar installations
c. from thousands of weather satellites
d. from weather stations set up and operated by government meteorologists
Answer:
D
Explanation:
The Automated Surface Observation Systems (ASOS) provide the nation's primary surface weather observations from airports across the U.S. Aircraft are used to collect weather data over land and sea.
Which of the following are abiotic factors? (Multiple Answers
Answer:
atmosphere,sunlight,wind water
what is abiotic factors
Final Answer: Non-living factors
Explanation:
Abiotic factors are non-living factors in an organism's environment.
Examples: Lack of rainfall, Dry soil, Rivers dry up (air, water, sunlight, soil)
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the hair colors of the sons are most likely direct result of
Answer:
growth
Explanation:
on explanation needed :I
lol
Large reefs are thousands of years old. True or false identify if it is false
Answer:
True
Explanation:
y e s .
How has the study of genetics shaped our understanding of heredity?
Genetics is the study of how heritable traits are transmitted from parents to offspring. Humans have long observed that traits tend to be similar in families. It wasn't until the mid-nineteenth century that larger implications of genetic inheritance began to be studied scientifically.
What changes an object's speed and direction? *
A. Friction
B. Acceleration
C. Gravity
D. Inertia
Answer:
C
Explanation:
A change in speed is a change in velocity – so, a change in speed is an example of acceleration! Acceleration may be positive or negative. Negative acceleration is sometimes called deceleration. Force – a push or pull When a force acts on an object; it may change the object’s acceleration (speed, direction, or both).
What would likely happen if a lion's prey wasn't available?
Answer:
It takes around to weeks for a lion to starve, or become starving. Lionesses do most of the hunting, lions are much lazier. When a lion begins to starve it will kill nearly anything to satiate it's hunger. A lot of like other creatures and predators in the wild.
Explanation:
Two students below described a part of Earth's middle layer:
Bob: The deepest part
Joe: The semi-fluid part
Which part of the middle layer did Bob and Joe describe? (4 points)
A. They both described the mesosphere.
B. They both described the asthenosphere.
C. Bob described the mesosphere and Joe described the asthenosphere.
D. Bob described the asthenosphere and Joe described the mesosphere.
Answer:
c
Explanation:
During the nitrogen cycle, through which structure are nitrogen compounds first absorb into the plant?
A.) roots
B.)leaves
C.) flower
D.) stem
Answer:
It's B
Explanation:
I took the test
Answer: B (Leaves)
Explanation:
Did it engenuity unit test
What affects an ecosystem more, the abiotic factors that make it up, or the communities living in to?
Answer:
Species, A group of similar organisms that can mate and produce fertile offspring ... Community, All the populations of all the different species that live together in a particular area ... Ecosystems are influenced by both biotic and abiotic factors. ... not abiotic. Some people think that if an organism is no longer alive,
Explanation:
I hope this kinda helps.
Cells perform many different processes that an organism needs to survive and grow. Which is the main function of the process of cellular respiration?
A. the production of sugar
B. the release of energy
C. the removal of waste products from the cell
D. the formation of new proteins for the cell
The main function of the process of cellular respiration is the the release of the energy. The correct option is B.
What is cellular respiration?Cellular respiration is a biochemical process that disintegrate glucose to produce ATP, which can then be used as energy to power a variety of reactions throughout the body.
Cellular respiration consists of three major steps: glycolysis, the citric acid cycle, and oxidative phosphorylation.
Glycolysis is the first step in the process by which cells generate ATP from food. Consider eating a donut. Digestive enzymes convert the donut's starches and sugars to glucose (blood sugar) in your mouth and stomach.
The aerobic process by which living cells break down glucose molecules, release energy, and form ATP molecules is known as cellular respiration.
In general, this three-stage process involves the reaction of glucose and oxygen to form carbon dioxide and water.
Thus, the correct option is B.
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Which parts of DNA provide the code for proteins?
Answer:
The genetic code is the sequence of nucleotide bases in nucleic acids (DNA and RNA) that code for amino acid chains in proteins. DNA consists of the four nucleotide bases: adenine (A), guanine (G), cytosine (C) and thymine (T). RNA contains the nucleotides adenine, guanine, cytosine and uracil (U).
A gene is a section of a DNA molecule that contains the information to code for one specific protein.
The DNA code contains instructions needed to make the proteins and molecules essential for growth, development and health.What is gene?A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. Many genes do not code for proteins.What is DNA?
DNA is the genetic material, which is involved in carrying the hereditary information, replication process, mutations, and also in the equal distribution of DNA during the cell division.
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Muscle cells
Function
How does the cell cycle ensure an organism’s survival?
Options:
I. It helps organisms grow and develop
II. It helps all organisms repair tissues
III. It helps all organisms reproduce
I. and II. only
Answer:
Cell growth and development include its repair. As cells grow old, they wear off. Sometimes they suffer injury and bruises, but they are able to repair themselves by growing new cells in a process called Mitosis. As living things grow, they undergo a process called aging (age
Explanation:
Answer. The cell cycle is the replication and reproduction of cells, whether in eukaryotes or prokaryotes. It is important to organisms in different ways, but overall it allows them to survive. ... Plants require the cell cycle to grow and provide life for every other organism on earth
so it should be 1&2 only
2.
Which of the following examples is a non-renewable source of energy?
wood
nuclear power
hydroelectric
wind
Answer Wood
Explanation: there will always be trees but the will not be wind at all times, nuclear energy was invented, man made so it can run out. I could be wrong. Pls don’t hate if I am.
what is the scientific name of human beings
Answer:
Homo sapians is your correct answer .
what is polygenetics ?
Explanation:
is a member of a group of non epics tactic genes that interact additively to influence a phenotypic trait
Answer (three definitions, where two are biology and one is geology):
1) (biology) Of or pertaining to polygenesis; polyphyletic.
2) relating to or determined by polygenes.
If you don’t know what a polygene is: A polygene or multiple gene inheritance is a member of a group of non-epistatic genes that interact additively to influence a phenotypic trait.
3) (geology) One which is composite, or consists of two or more monogenetic ranges, each having had its own history of development.
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D. Dalmation Dogs may have either black or liver (brown) spots.
1. Two black-spotted Dalmation parents produce a liver-spotted puppy.
a. What does this tell us about dominance in spot color?
b. What is the genotype of the liver-spotted puppy?
c. What is the genotype of the mother? Of the father?
d. List the genotypes and phenotypes of all puppies these
parents could produce.
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3. The five kingdoms can be divided into TWO groups. Name these TWO groups.
Answer:
prokaryotes and eukaryotes I believe
Kristen is a researcher at an agricultural university studying the information and classification of soils. She deals with which type of soil? A.edaphology. B. Pedology. C. Soil mechanics. D. Soil physics
Answer:
B: Pedology
Explanation:
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The peripheral nervous system is divided into the_________________________ nervous systems.
Choices:
A. Autonomic and Somatic
B. Sympathetic and parasympathetic
C. Central and Autonomic
Answer:
A) the somatic nervous system and the autonomic nervous system.
Explanation:
These are two of the nervous system we sometimes get...
What effect do the majority of mutations have on individuals