half of two threadlike strands of replicated chromosomes
To reproduce, female elephants produce eggs and male elephants produce sperm. Offspring are produced by the fusion of an egg with a sperm cell. Which statement is true about the offspring?
A. The offspring are genetically identical to the parents because they are produced by sexual reproduction.
B. The offspring are genetically distinct from the parents because they are produced by sexual reproduction.
C. The offspring are genetically identical to the parents because the egg and sperm are both diploid.
D. The offspring are genetically distinct from the parents because the egg and sperm are both diploid.
Answer:
The offspring are genetically distinct from the parents because they are produced by ....... reproduction.
Explanation:
A genetic factor for a trait is always expressed when it is present is best described as ?
Answer:
A genetic factor for a trait that is always expressed when it is present is best described as dominant.
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Mateo and Tomás are identical twins. Mateo was raised by his father and mother, and Tomás was
accidentally placed with another family after a mix-up at the hospital. At the age of 15, the boys ran into
each other at a football game and noticed that they appeared to be mirror images of each other. After
genetic testing proved that they are twins, the families discussed some of the differences between the boys.
Mateo is very athletic and intelligent and excels in basketball, but he does not take school seriously and has
F's in all subjects. Tomás is also athletic and intelligent and excels in baseball, and he makes straight A's as
a result of his strict home life and study routine. Although they are identical twins, what do you think
accounts for the differences in the two boys' academic performance based on the research?
Answer:
boboboboobbb
Explanation:
step by step
what are hereditary materials
Answer:
DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA.
Answer:
DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA.19-Jan-2021
Forces that act in pairs are said to be _____________.
A. Stable
B. Unbalanced
C. Unstable
D. Balanced
ASAP
Identify the error in the following statement: “Photosynthesis is a chemical reaction that takes place in the chloroplasts of green plant cells, where light energy is used to convert glucose and water into carbon dioxide and oxygen.”
A. “glucose” and “carbon dioxide” should be switched
B. No errors
C. “water” and “oxygen” should be switched
D. “chloroplasts” should be “mitochondria”
Photosynthesis is a chemical reaction that takes place in the chloroplasts of green plant cells, where light energy is used to convert carbon dioxide and water into glucose and oxygen. Option A is the right answer.
What is photosynthesis?Photosynthesis is the process by which green plants prepare their own nutrients with the help of sunlight, water, and carbon dioxide.
Photosynthesis helps plants to prepare their own food, these plans are called autographs.Photosynthesis takes place inside the protoplast.This process takes place in some other organisms other than green plants.Chlorophyll is the green pigment that is required for this process to take place.The end products that are formed in the process of photosynthesis are glucose and water.Hence Option A is the right answer.
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can someone please help with this urgently.
you don't have to explain, just answer
Answer:
B. option A 2 daughter cells
C. option D metaphase
Answer:
Q1 B
Q2 D
Q3 D
Q4 D
Explanation:
Carl Linnaeus developed a two-word system for naming organisms. It is called .
Anyone help edg hehdjskapaoa
WHAT IS PHOTOSYNTHESIS ??
[tex] \huge \boxed{\mathfrak{Question} \downarrow}[/tex]
What's photosynthesis?[tex] \large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}[/tex]
Photosynthesis is the process in which green plants derive their food (nutrients and water) through the capturing of light energy (sunlight) and using it to convert carbon dioxide (CO2) and water (H2O) into oxygen (O2) and other substances (compounds) that are rich in energy. Chlorophyll a green pigment present in plants is used in this process.
__________________
Formula ⟶ [tex]\boxed{\bf\:6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 + 6O_2} [/tex]
__________________
So, the products of photosynthesis are [tex]\large\boxed{\boxed{\bf\:C_6H_{12}O_6 + 6O_2}}[/tex]
A newborn that is SGA would be at risk for which of the following complications?
I. Diabetes
II. Obesity
III. Shoulder Dystocia
IV. Heart Disease
A newborn that is SGA would be at risk for suffering from Diabetes or Hypoglycemia (Option I).
What is diabetes?Diabetes is a disease where the individual cannot control the levels of glucose in the blood.
A newborn that is Small for Gestational Age (SGA) shows an increased risk of suffering from Hypoglycemia due to the lack of control of glucose in blood.
In conclusion, A newborn that is SGA would be at risk for suffering Hypoglycemia (Option I).
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what do you mean by acrophobia and ephebiphobia?
Answer:
Acrophobia ------- intense fear of heights
Ephebiphobia -----the fear of youth
Answer:
Acrophobia means extreme or irrational fear of height .Ephebiphobia is the fear of youthhope your day goes great.
How does climate change make weather more extreme?
Answer:
Organized severe weather occurs from the same conditions that generate ordinary thunderstorms: atmospheric moisture, lift (often from thermals), and instability. A wide variety of conditions cause severe weather. Several factors can convert thunderstorms into severe weather.
Explanation:
I hope it will help you
which structures in plant cells build protein molecules under the control of the nucleus?
a) cell walls
b) chloroplasts
c)mitochondria
d) ribosomes
The cell walls, chloroplasts, and mitochondria play important roles in plant cells, they are not directly involved in building protein molecules under the control of the nucleus. D
Ribosomes are the structures in plant cells that build protein molecules under the control of the nucleus.
Ribosomes are tiny, complex molecular machines composed of RNA and protein molecules.
They are involved in the process of protein synthesis, where they facilitate the translation of genetic information from the DNA in the nucleus into functional proteins.
The nucleus of a cell contains the DNA, which serves as the blueprint for building proteins.
However, the actual synthesis of proteins occurs in the cytoplasm, outside the nucleus.
Ribosomes are responsible for this task.
Ribosomes can be found both freely floating in the cytoplasm and attached to the endoplasmic reticulum (ER).
The ones attached to the ER are called rough endoplasmic reticulum (rough ER) due to the presence of ribosomes on their surface.
These ribosomes associated with the rough ER are involved in the synthesis of proteins that are destined for secretion or for integration into the cell membrane.
The process of protein synthesis involves the decoding of the genetic information stored in messenger RNA (mRNA) by ribosomes.
Ribosomes read the mRNA sequence and assemble amino acids into a growing polypeptide chain, forming a functional protein.
Cell walls provide structural support, chloroplasts are responsible for photosynthesis, and mitochondria are involved in cellular respiration. However, the primary site for protein synthesis in plant cells is the ribosomes.
Therefore, the ribosomes (option d) are the structures in plant cells that build protein molecules under the control of the nucleus.
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Which of the following is present in eukaryotes......
A) Cell wall B) Flagellum
C)Diploid nucleus D) membrane bounded organelles
Answer:
Membrane bounded organelles are present in eukaryotes..
Explanation:
hope it is helpful to ☆☆
What are the three examples to justify Newton first law of motion .
The flash patterns of fireflies attract mates of their own species. What type of reproductive isolation is this an example of?
is the presence of industry in developing nations high? what about developed nations?
Answer:
Developing countries don't have lots of industries, so it's not high
Developed nations have a wide variety of industries
Explanation:
You farm kelp and sell the kelp for food and as fertilizer. The wastes from the kelp can be used in an integrated aquaculture system in which kelp farming can be coupled with farming of fish or abalone. Make an argument that you are using a sustainable system of growing a renewable resource, and explain why it is beneficial (and more sustainable) to couple algae farming with fish farming than simply to farm fish independently.
Answer:
A sustainable system refers to producing less or probably non-existent debris that are caused by the production of a particular material (i.e. produce, energy). This is a sustainable form of production of coupling algae growth and fish farming because you no longer need the supply of fish feed from other sources that are made artificially but rather, you are using the available algae growth that you are culturing. Farm fishing alone is non-renewable because this produces much waste that can directly harm the environment.
An integrated aquaculture system of fish farming with kelp farming is a sustainable system as both system exchange resources and thus reduce wastage of resources.
What is an integrated aquaculture system?An integrated aquaculture system is an aquaculture system which combines several forms of aquaculture together.
For example, kelp farming is a form of aquaculture which can be integrated with another form of aquaculture such as fish farming.
Integrating fish farming with kelp farming is a sustainable system as both system provides what the other needs.
The kelps serve as food to fish while fish waste serve as manure for kelps.
Therefore, integrating fish farming and kelp farming is a form of a sustainable system.
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mention 6 substances secreted by the body
Answer:
Saliva
Lipase
Amylase
Trysin
Pepsin
Erepsin
Explanation:
Substances? Just any substances?
What describes how individuals are distributed, or spread, throughout their habitat.
1: Population density
2: Population distribution
answer these two please
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Smelting is the major method used to refine and enrich which substance?
oil
iron ore
uranium ore
coal
Answer:
The answer is iron ore
Explanation:
Hope this helps :)
Answer:
Iron Ore
Explanation:
Smelting is the extraction of metal from its ore by a process involving heating and melting
Soil is a mixture of eroded rock and: ii. rhizopus biotic iii. humus i. aquous iv. cycas v. rhizopus
Answer:
organic Matter is the mixture of soil
The corpus callosum separates the brain into two halves. separates the brain into two halves. is a large network of neurons on the cerebral cortex. is a large network of neurons on the cerebral cortex. is a thick band of neural fibers enabling communication between the two brain hemispheres. is a thick band of neural fibers enabling communication between the two brain hemispheres. describes the hemispheres of the brain
Answer:
is a thick band of neural fibers enabling communication between the two brain hemispheres.
Explanation:
A brain can be defined as an organ of soft nerve tissue that is found in the skull of vertebrates and it's typically responsible for the coordination of nervous activities, intellect and sensation.
The human brain consists of various sections and these includes;
I. Anterior Cingulate Cortex (ACC) which resembles a bow or collar surrounding the frontal part of the corpus callosum. This is the frontal part of the cingulate cortex which helps to make complex cognitive functions such as impulse control, decision-making, emotions and empathy.
II. Ventral prefrontal cortex in humans are interconnected with the brain and are responsible for the processing of risk, empathy, fear and social decision-making
III. The Cerebral Cortex: this part of the brain primarily comprises of grey matter, foldable sheets of neurons and forms its outermost layer. Therefore, cerebral cortex is known as the outermost layer of the brain (cerebrum) and thus, makes up half of its weight. It is about 2.5 millimeters in thickness and as such it's able to fold.
The corpus callosum is a large, thick band of C-shaped neural fibers found beneath the cerebral cortex and it's saddled with the responsibility of enabling communication between the two brain hemispheres i.e the right hemisphere and the left hemisphere.
Briefly explain why exponential growth within a population cannot last forever.
Answer:
It will eventually become unsustainable because of factors like food, water, space, etc.
Explanation:
exponential growth may occur in environment where there are few individuals and plentiful resources open the number of individual becomes large enough resources will speed depleting slowing the growth rate
Answer this for 10 points ✌
what is mid brain?
A relatively small region of the upper brainstem that connects the forebrain and hindbrain. It contains the tectum (and associated inferior and superior colliculi), tegmentum, and substantia nigra. Also called mesencephalon.
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Plant roots are more easily able to absorb ammonium that has been produced from ________.
A. nitrification
B. nitrogen fixation
What is the process that human
beings undergo to release ATP from
carbohydrates?
A. cell duplication
B. cellular genesis
C. cellular respiration
D. photosynthesis
Answer:
[tex]\huge\boxed{\sf Option \ C}[/tex]
Explanation:
Cellular respiration is the process in which carbohydrates (Glucose) are broken down into carbon dioxide and water in the presence of oxygen and a lot of energy is released which is further used for ATP synthesis and ATP is released!
[tex]\rule[225]{225}{2}[/tex]
Hope this helped!
~AH1807Peace!How do animals and people cause weathering?
How do plants cause weathering ?
Answer:
Plants can cause mechanical and chemical weathering
Explanation:
Plants can cause mechanical and chemical weathering. When plants cause mechanical weathering, their roots grow into rocks and crack them.It can also happen in streets or sidewalks. When plants cause chemical weathering, there roots release acid or other chemicals, onto rocks, which then forms cracks, and breaks apart.
Animal and plant mobility is a factor in biological weathering, for instance, a plant may grow in a gap in a rock and, as its roots spread, cause the fracture to expand.
What is the cause of weathering?A rabbit may also burrow into a crack in a rock, making it wider and eventually separating the rock.
Animals and plants can act as mechanical weathering agents. In dirt that has gathered in fractured rock, a tree seed may emerge. The fissures get wider as the roots spread out, finally shattering the rock into pieces.
Even big rocks might get dislodged by trees over time, rocks are broken down by plants like moss that absorb their minerals.
Therefore, holding onto soil and rocks is another way that plant roots cause weathering, and might stop erosion.
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