Explain how it is known that the environment changed over time.
Answer:
erosion
Explanation:
Which of these are the 4 requirements for natural selection to occur?
Variation in populations
Equal access to resources
Adaptations
Overproduction of offspring
Traits are heritable
Sexual reproduction
Variation in reproductive success
Mutations
Answer:
four requirements for natural selection are given below:
Mutations
Variation in reproductive success
Sexual reproduction
Adaptations
Explanation:
How do animals and people get glucose?
Answer:
Animals obtain glucose by eating plants, and fungi and bacteria absorb glucose as they break down the tissues of plants and animals.
And for humans it mainly comes from foods rich in carbohydrates, like bread, potatoes, and fruit. As you eat, food travels down your oesophagus to your stomach. There, acids and enzymes break it down into tiny pieces. During that process, glucose is released.
Explanation:
Explanation:
Los animales no necesitan la fotosíntesis ya que obtiene su GLUCOSA de los alimentos que consumen esa es mi respuesta no se si sera correctaYou decide to conduct a genetic analysis of these mutant lines by crossing each with a pure-breeding wild-type line. The numbers in the F2 indicate the number of progeny in each phenotypic class. Three crosses between pure lines. Cross 1 between plants with twisted and wild-type leaves results in plants with twisted leaves. An F1 F1 cross results in 53 plants with twisted leaves and 18 wild-type plants. Cross 2 between plants with forked and wild-type leaves results in plants with forked leaves. An F1 F1 cross results in 49 forked and 16 wild-type plants. Cross 3 between plants with pale and wild-type leaves results in plants with leaves of intermediate color. An F1 F1 cross results in 34 plants with intermediate leaves, 17 wild-type plants, and 16 plants with pale leaves. From these results, determine the relationship between the mutant allele and its corresponding wild-type allele in each line. Label each mutant line with the best statement from the list below. Labels may be used once, more than once, or not at all
Complete question:
You will find the complete question in the attached files
Answer:
For the twist trait: The mutant allele is dominant to its corresponding wild-type allele For the forked trait: the mutant allele is dominant to its corresponding wild-type allele For the pale trait: The mutant allele is neither dominant nor completely recessive to its corresponding wild-type alleleExplanation:
Cross 1: twisted x wild-type ----> Pure linesParentals) TT x tt
F1) twisted leaves, Tt. ---> Heterozygous
Parentals) Tt x Tt
Punnett square) T t
T TT Tt
t Tt tt
F2) 53 twisted, 18 wild-type
Total number of individuals in the F2 = 53 + 18 = 71
71 plants -------- 100% of the F2
53 twisted------X = 75% TT + Tt
18 wild-type----X = 25% tt
Phenotypic ratio 3:1
The phenotype of the F1 and F2 progeny tells us that the twist trait is dominant over the wild type. The fact that the whole F1 generation was twisted is enough information to assume that the wild type is recessive and the twisted is dominant. Also, the phenotypic ratio of the F2 corroborates this assumption.
Cross 2: forked x wild-type ---> Pure LinesParentals) FF x ff
F1) 100% forked, Ff----> Heterozygous
Parentals) Ff x Ff
Punnett square) F f
F FF Ff
f Ff ff
F2) 49 forked and 16 wild-type plants
Total number of individuals in the F2 = 49 + 16 = 65
65 plants -------- 100% of the F2
49 forked------X = 75% FF + Ff
16 wild-type----X = 25% ff
Phenotypic ratio 3:1
The phenotype of the F1 and F2 progeny tells us that the twist trait is dominant over the wild type. The fact that the whole F1 generation was forked is enough information to assume that the wild type is recessive and the forked is dominant. Also, the phenotypic ratio of the F2 corroborates this assumption.
Cross 3: pale x wild-type ---> Pure linesParentals) PP x pp
F1) 100% Pp, intermediate color.
Parentals) Pp x Pp
Punnett square) P p
P PP Pp
p Pp pp
F2) 34 intermediate, 17 wild-types, and 16 pale.
Total number of individuals in the F2 = 34 + 17 + 16 = 67
67 plants -------------- 100% of the F2
34 intermediate ------X = 51% Pp
17 wild-type-------------X = 25% pp
16 pale -------------------X = 24% PP
Phenotypic ratio 1:2:1
The phenotype of the F1 and F2 progeny tells us that the pale trait is not dominant neither recessive to the wild type. The fact that the whole F1 generation was intermediate is enough information to assume that none of the traits dominates over the other. This is a case of incomplete dominance. The heterozygous individual express an intermediate phenotype between both the parentals´ one. Also, the phenotypic ratio of the F2 corroborates this assumption.
Please help!
Water and the Earth 2:Question 2
Which of the following is a sign that a glacier has moved through an
area?
Select one:
Grooves and scratches
Large boulders
Water deposits
Pock marks
Answer: A (Grooves and scratches)
What is one of the causes of mechanical weathering? A acid rain B oxidation C animal actions D carbon dioxide
Answer:
The answer is animal actions
Explanation:
It said it in the guided notes associated with the lesson.
The answer is C animal actions
If the grass in this energy pyramid has stored 1000Kcak of energy. How much energy will be available for the snake?
1) 1 kcal
2)10kcal
3)100 kcal
4)1000kcals
Help plis
Plants get their energy from the sun through photosynthesis. This energy is trapped in bonds of complex compounds the plants create from carbon dioxide and water. The plants are eaten by animals, and the energy is used for heat and movement. What is the energy transfer that is conducted inside an animal
Answer:
Explanation:
Cellular Respiration.
Which of the following describes the different classifications of consumers in an ecosystems.
A. Herbivores eat producers. Carnivores eat other consumers. Omnivores eat producers and other consumers.
B. Herbivores are always plants. Carnivores are always animals. Omnivores are always humans.
C. Herbivores are tertiary consumers. Carnivores are primary consumers. Omnivores are also primary consumers.
D. Herbivores only live in aquatic ecosystems. Carnivores and omnivores only live in terrestrial ecosystems.
Please Answer fast!
Answer:
Herbivores are tertiary consumers. Carnivores are primary consumers. Omnivores are also primary consumers.
Explanation:
we got three types of consumers :
primary consumers secondary consumers tertiary consumersThe correct answer is C. Herbivores are tertiary consumers. Carnivores are primary consumers. Omnivores are also primary consumers.
There are 4 types of consumers :
1. Omnivores are also primary consumers.
2. Carnivores are primary consumers.
3. Herbivores are tertiary consumers.
4. Decomposers are known to be fungi, bacteria, invertebrates.
What are ecosystems?An ecosystem is an area where all living organisms including plants, animals, Homosapiens, microorganisms. It also has abiotic and biotic factors.
Hence concluded that C. Herbivores are tertiary consumers. Carnivores are primary consumers. Omnivores are also primary consumers, which describes the different classifications of consumers in ecosystems.
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Which effect is a health benefit of fiber?
It raises blood cholesterol levels,
It delays diabetes progression,
It lowers the risk of osteoporosis,
It lowers the risk of some kinds of cancer,
Answer: It lowers the risk of some kinds of cancer,
Explanation: search this online and there is an answer for this exact question
WHO IS DEAN WINCHESTER???
Answer :
Dean Winchester is the older of the two Winchester Brothers, he fights monsters.
Explanation:
Answer:
Only the coolest dude on netflix what other dude loses his mom that young and still takes it that well
Explanation:
Understanding the structural and molecular interactions that induce shape and function for a protein has been an obstacle for some of your students. You decide to plan a lesson to introduce them to the basic amino acid structure and then use that concept to introduce the different levels of protein structure. To reinforce your lesson on amino acids, you need to aid the students in understanding that most naturally occurring amino acids have a shared base structure. Each amino acid has an amine group, an alpha-carbon (or central carbon), an R-side group, and a carboxyl group. The R-side group is what gives each amino acid its distinctive characteristics--for example, whether the amino acid will be acidic or basic, hydrophilic or hydrophobic, or charged.
Choose the statement that does NOT pertain to amino acids.
a. All amino acids must contain a nitrogen-based molecule and a carboxylic acid.
b. Amino acids always contain a sulfur atom in their R-side group.
c. The groups composing an amino acid are located around a central alpha-carbon.
d. The R-side group will determine the overall chemical properties of an individual amino acid.
Answer:
b. Amino acids always contain a sulfur atom in their R-side group.
Explanation:
Amino acids are monomeric units of protein molecules. This means that a protein molecule is made up of a chain of amino acids. As stated in this question, an amino acid is structurally made up of a central carbon atom called α carbon, an amine group (-NH2), a carboxylic acid group (-COOH), and a R-group side chain, which distinguishes each amino acid from one another.
Based on this question, all amino acids must possess the following characteristics:
- must contain a nitrogen-based molecule (amine group) and a carboxylic acid.
- The groups i.e amine, carboxylic acid and R chain are located around a central alpha-carbon.
- The R-side group will determine the overall chemical properties of an individual amino acid i.e whether acidic, basic, hydrophilic etc.
However, considering the fact that the R side chain of individual amino acids are different from one another, not all amino acids will contain a sulfur atom in their R-side group. Note that, Methionine and cysteine are the two common sulfur-containing amino acids.
Molecules are groups of atoms chemically bonded together O True M O False
Answer:
few
Explanation:
fwef
Answer:
true
Explanation:
A molecule is a group of at least two atoms in a specified arrangement held together by covalent chemical bonds. These polar bonds will interact with other polar bonds through an intermolecular attraction known as hydrogen bonding, such as that found between water molecules.
What does the mnemonic device "Did King Philip Come Over For Good Spaghetti" mean, in terms of Taxonomy and Classification?
Answer:
See the answer below
Explanation:
The mnemonic is used to represent the major taxonomic categories used in classifying living organisms. Each of the words in the sentence (except 'Did') represents the categories as follows:
King - Kingdom
Philip - Phylum
Come - Class
Over - Order
For - Family
Good - Genus
Spaghetti - Species
The kingdom represents the highest category of classifying living organisms. Each organism has to belong to one of the 5 major kingdoms - monera, protista, fungi, plant, or animal. Phylum comes after the kingdom, followed by class, order, family, genus, and species. The lower the category, the lower and more similar the organisms they contain.
Question 10
6.7 pts
Which of the following most likely happens in the cells of a person running a
marathon?
The respiration rate increases to produce more ATP.
The cell division rate increases to produce more muscle fibers
The photosynthesis rate increases to produce more sugars
The replication rate increases to produce more DNA
Answer:
The respiration rate increases to produce more ATP.
Explanation:
Running requires energy so the cells need to make more ATP through cellular respiration.
Given that the function of egg yolk is to nourish and support the developing chick, complete the explanation of why egg yolks are so high in fat, protein, and cholesterol.
Answer:
Chick with in the egg depend for all its energy and food requirement on the egg yolk , therefore egg yolk is rich in fat, protein, and cholesterol.
Explanation:
Before the egg breaks and the chick comes out, few days nourishment for chicks is required. Hence, the egg yolk needs to be nutritious as new developing chick (with in the egg) rely for essential nutrients (required for growth) on the egg yolk. Chick require energy from yolk, hence it is rich in fat (energy). It also needs to grow and develop, therefore egg yolk has lot of protein (building blocks). Lipid and cell with in the yolk help in formation of cell and strengthening of bones and feathers
In a population of caterpillars, lime-green color with black spots is dominant (L) over lime-green color with no black spots (1). Which of the following
results below would be expected from a cross of two heterozygous parents for this trait?
100% LI
50% LI, 25% LL, 25% II
50% LI, 50% 11
O
75% LL, 25% LI
Answer:
B.
Explanation:
The following results below would be expected from a cross of two heterozygous parents for this trait is 100% LI. Thus, option A is correct.
What is population?This is the term that is used to refer to the given number of people that are known to live in a particular geographical area. This is the term that is used to refer to the given number of people that are known to live in a particular geographical area.
The population dynamics has to do with the way that the population is said to change over a period of time. The population dynamics has to do with the way that the population is said to change over a period of time. Population and population dynamics is Population – Inhabitants of a country; Population dynamics – The change in the population.
Therefore, The following results below would be expected from a cross of two heterozygous parents for this trait is 100% LI. Thus, option A is correct.
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8. The organism that usually benefits in parasitism
Answer:
The correct answer is - parasite.
Explanation:
In the symbiotic relationship of where one of the symbiotic partner get benefited in the symbiosis and other partner harmed is known as the parasitism.
In this parasitism symbiotic relationship, the organism harmed called the host while the other partner that gets benefited from the parasitism is termed parasite.
Which is the definition of an amino acid?
a fatty acid that has no double bonds between carbon atoms
a protein building block
a type of carbohydrate that is difficult for humans to digest
a simple sugar that is the body's basic fuel
Answer:
I'm pretty sure it's a protein building block
e diagram below is an illustration of seeds obtained from the second
ybrid cross. Study it and answer questions 2(a) to 2(c).
oo
e two characters of the seeds illustrated.
e the dihybrid phenotypes of the seeds illustrated.
how many continets are found on Earth
Answer:
A lot
Explanation:
am playing there around 195 counties and 7 continets my bad
Answer:
There are seven continents in the world/on earth.
Explanation:
There are 7 total continents in the world, which are - Africa, Antarctica, Asia, Australia/Oceania, Europe, North America, and South America.
At carrying capacity, the number of organisms being born equals the number of organisms
competing
dying
surviving
immigrating
Answer:
dying
Explanation:
carrying capacity is where there is only a certain amount animals can enter so the animals being born is the same as the animals dying bc they have no resources
All the cells in your body need ___________ to survive
Answer:
Oxygen or Minerals or Sugars (Oxygen is the most relevant one)
Explanation:
To survive, every cell must have a constant supply of vital substances such as sugar, minerals, and oxygen, and dispose of waste products, all carried back and forth by the blood cells. Without these substances, cells would die in a very short period of time.
How does the anatomy of the forelimbs show an evolutionary pattern?
Answer:
the forelimbs are formed from the same bones but have evolve and adapted for different functions. this indicates that they come from the same ancestor
Explanation:
the forelimbs are adapted from different functions but they are formed by similar bone patterns
I need help with this please
Answer choices are:
Estuary
Intertidal zone
Neritic zone
Answer:
1. intertidal zone
2. Estuary
3. Neritic zone
Explanation:
In the Cori cycle, when glucose is degraded by glycolysis to lactate in muscle, the lactate is excreted into the blood and returns to the liver. In the liver, lactate is converted back into glucose by gluconeogenesis. For each given enzyme, identify whether it is involved in the glycolysis pathyway, gluconeogenesis pathway, both pathways, or neither pathway.
1. glyceraldehyde 3-phosphate dehydrogenase
a. glycolysis
b. gluconeogenesis
c. both
d. neither
2. glucose-6-phosphatase
a. glycolysis
b. gluconeogenesis
c. both
d. neither
3. alcohol dehydrogenase
a. glycolysis
b. gluconeogenesis
c. both
d. neither
4. phosphoenolpyruvate carboxykinase
a. glycolysis
b. gluconeogenesis
c. both
5. phosphofructokinase-1
a. glycolysis
b. gluconeogenesis
c. both
d. neither
6. phosphoglycerate mutase
a. glycolysis
b. gluconeogenesis
c. both
d. neither
7. hexokinase
a. glycolysis
b. gluconeogenesis
c. both
d. neither
8. pyruvate dehydrogenase
a. glycolysis
b. gluconeogenesis
c. both
d. neither
Answer:
The correct answer is -
1. c. both
2. b. gluconeogenesis
3. d. neither
4. b. gluconeogenesis
5. a. glycolysis
6. c. both
7. a. glycolysis
8. d. neither
Explanation:
Gluconeogenesis is the formation or synthesis of glucose while glycolysis is the conversion of glucose into pyruvate. Gluconeogenesis requires an enzyme for a non-reversal reaction which is not required in glycolysis.
Glyceraldehyde 3-phosphate dehydrogenase is an enzyme present in glycolysis that converts glyceraldehyde 3-phosphate to 1,3-bisphosphoglycerate. It is a reversible reaction, this enzyme also present during gluconeogenesis converts 1,3-bisphosphoglycerate to glyceraldehyde 3-phosphate.
Glucose 6-phosphate to glucose during gluconeogenesis by glucose-6-phosphatase. Alcohol dehydrogenase is used for the conversion of ethanol into acetaldehyde and neither present in glyconeogenesis nor glycolysis. Oxaloacetate converts to phosphoenol pyruvate during gluconeogenesis by Phosphoenol pyruvate carboxykinase.
Fructose 6-phosphate changes into fructose 1,6-bisphosphate by Phosphofructokinase-1 during glycolysis.
Phosphoglycerate mutase is present in both pathways during glycolysis and during gluconeogenesis. This enzyme converts 3-phosphoglycerate to 2-phosphoglycerate and also converts 2-phosphoglycerate to 3-phosphoglycerate in glycolysis and gluconeogenesis respectively.
Hexokinase converts glucose to glucose 6-phosphate during glycolysis. However, Pyruvate dehydrogenase neither present in glycolysis nor gluconeogenesis.
A man with type AB blood is married to a woman with type O blood. they have two natural children and one adopted child. Jane has type A blood, Jordan has type B blood and Marlin has type O blood. which child was adopted and how's do you know
Answer:
//
Explanation:
Jordan is adopted because if one if your parents has O blood you have O blood
and you cant roulette a blood type and get B
triglycerides are the monomers for what type of macromolecue
Answer:Um lipids?
Explanation:
Describe the special relationship God designed between plants and animals. Use complete sentences and proper grammar.
Answer:
https://answersingenesis.org/biology/plants/
Explanation:
This should help!
Select the correct answer.
Why will a decrease in pH of the stomach affect protein digestion?
OA. Decrease in pH of the stomach will distort the structure of peptides in food, which affects the action of the enzyme pepsin.
O B. Decrease in pH of the stomach will distort the active site of the enzyme pepsin, which affects its
action.
O C. Decrease in DH of the stomach will distort the active site of the enzyme lipase, which affects protein digestion. Yes
Answer:
cats
Explanation:
n