Answer:
A. Loss of biodiversity
Explanation:
Suppose there are more predators, there may be fewer natural producers, which upset the balance of nature.
What is the answer with explaining
Answer:
actually I'm not even sure but I would say that the wife cheated
Imagine that there is a mutation in the cyclin gene such that its gene product is nonfunctional. What kind of effect would this mutation have on a skin cell in the area of a cut
Answer:
The correct answer is - The cell would be unable to produce.
Explanation:
Cyclin is a protein that helps in cell division to complete the various stages. It has an essential function, however, cyclin does not play role in enzymatic reactions bit bind with cyclin-dependent kinase enzyme they form maturation promoting factors which can phosphorylate specific proteins and result in many different stages of the cell cycle.
Mutation in cyclin gene that did not allow to produce cyclin protein will cease the cell cycle and there would be no future daughter cell and the cell would not be able to produce.
Compare and contrast the structure of DNA with RNA.
The eurkaryotic cells glycocalyx is..?
Explanation:
The glycocalyx is a carbohydrate-enriched coating that covers the outside of many eukaryotic cells and prokaryotic cells, particularly bacteria .
Which two physical properties of graphite make it a good mineral for use in pencils?
1. luster and fracture
2. cleavage and color
3. hardness and streak
4. greasy feel and composition
The physical properties of graphite which makes it good for pencils is ;
( 3 ) hardness and streak
Graphite is made up of carbon atoms which are held together by van der waals forces ( weak force ). They are soft and slippery which is why graphite is used in the manufacture of lubricants. while graphites are used for the manufacture of writing materials such as pencils because of its hardness and streak
Hence we can conclude that the physical properties of graphite which makes graphite good for the production of pencils are hardness and streak
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If I increase the amount of sleep I get then I will be able to run faster what is the independent and dependent variable
What is the answer with explaining
Answer:
Homocigoto dominante, heterocigoto y homocigoto recesivo.
Explicación:
Hay tres genotipos de niños disponibles, es decir, homocigoto dominante, heterocigoto y homocigoto recesivo. En homocigoto dominante, un organismo que tiene dos alelos dominantes para un rasgo, en heterocigoto, que tiene dos alelos diferentes de un gen o genes específicos y homocigoto recesivo contiene dos alelos recesivos y expresa el fenotipo recesivo o el niño se parece al padre femenino.
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Answer:
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Match each enzyme namewith the correct descriptive phrase.
a. Ads through an adenylylated DNA intermediate
b. Catalyzes mitochondrial DNA replication
c. Catalyzes most nucleotide incorporations in bacterial DNA replication
d. Catalyzes formation of a double-strand DNA break
e. Cleaves RNA in a DNA — RNA hybrid molecule
f. Uses a tRNA primer in synthesis of retroviral DNA
1. Topoisomerase Il
2. DNA ligase
3. DNA polymerase γ
4. Reverse transcriptase
5. DNA polymerase I
6. DNA polymerase Ill
Answer:
The correct answer is -
a. 2
b. 3
c. 6.
d. 1
e. 5
f. 4
Explanation:
Topoisomerase II is the enzyme that catalyzes the formation of double-strand DNA breaks.
DNA ligase is the enzyme that catalyzes through adenylated DNA intermediate
DNA polymerase gamma is n enzyme that acts on the Mitochondrial DNA replication.
The reverse transcriptase uses a tRNA primer during catalytic reaction in the synthesis of retroviral DNA
DNA pol I breaks RNA in a DNA-RNA hybrid molecule in their catalytic reaction.
DNA pol IIIused in catalyzing and acts as major enzyme, the most nucleotide incorporations in bacterial DNA replication
name two types of vaporization
Answer:
Vaporization (or vaporisation) of an element or compound is a phase transition from the liquid phase to vapor. There are two types of vaporization: evaporation and boiling.
Answer:
The two types of vaporization are evaporation and boiling.
Explanation:
Evaporation takes place at the surface of a liquid such as a puddle drying up.
Boiling takes place below the surface of a liquid and causing bubbling like a pot of water on a hot stove.
What is the closest crop relative of Aloe vera?
Answer:
lily
Explanation:
Summarize the role of meiosis in the human life cycle vs the role of mitosis.
Answer:
Some simple organisms - such as bacteria - can reproduce by simply dividing into two new individuals. Other organisms, including human beings, reproduce through sexual reproduction. Meiosis II divides each chromosome into two copies (much like mitosis). ...
The end product of translation is:
O Protein
O
mRNA
O
New DNA molecule
What is the answer with explaining and what I put in the empty box
Humans are know to have 46 chromosomes in each somatic cell. The domesticated cat, on the other hand, has 38 chromosomes in somatic cells. Given this predict the number of chromosomes found in the following cat cells:
Sperm cell:
Egg cell:
Daughter cell from mitosis:
Daughter cell from meiosis 1:
Daughter cell from meiosis 2:
Answer:
Sperm cell: 19 chromosomes
Egg cell: 19 chromosomes
Daughter cell from mitosis: 38 chromosomes
Daughter cell from meiosis 1: 19 chromosomes
Daughter cell from meiosis 2: 19 chromosomes
Explanation:
There are two major divisions that occur in living organisms namely: meiosis and mitosis. Meiosis is called a reduction division because it reduces the chromosomal number of offsprings by half while mitosis is called multiplication division because it maintains the same number of chromosome in the parent cell.
According to this question, a cat has 38 chromosomes in its somatic/body cells. It will possess the following chromosome numbers after the type of division:
- Sperm cell: 19 chromosomes because sperm are gametes formed via meiotic division, hence, 38 chromosomes are reduced by half i.e. 38/2 = 19.
- Egg cell: 19 chromosomes because egg cells are gametes formed via meiotic division, hence, 38 chromosomes are reduced by half i.e. 38/2 = 19.
Daughter cell from mitosis: 38 chromosomes because mitosis maintains the number of chromosomes as parent.
Daughter cell from meiosis 1: 19 chromosomes because the actual reduction from diploid (38 chromosomes) to haploid (19 chromosomes) takes place in meiosis 1 due to separation of homologous chromosomes.
Daughter cell from meiosis 2: 19 chromosomes because sister chromatids, which becomes individual chromosomes, are separated at this stage.
I want to understand what is a strome !!!???
Answer:
Do you mean the Stroke?
Explanation:
If you mean Stroke, it is a spongey transparent substance in a plant cell that helps support its function
Identify two means by which meiosis results in genetically unique gametes, and explain why this is important.
Explanation:
Meiosis is beneficial as it produces gametes that are genetically different to the parent cell, and when the gametes combine the offspring produced is made from combination of genes from both mother and father. The offspring is genetically unique, there is no other organism on the Earth with the exact same DNA sequences on their chromosomes.
Albinism is a recessive trait where an individual does not produce the pigment melanin. A man and woman who both produce melanin have one child out of three who has albinism. What are the genotypes of the man and woman
Albinism is a recessive trait where an individual does not produce the pigment melanin. Albinism is an autosomal disease where the gene which is expressed here is having albinism which is the cause of heterozygous condition.
What is the heterozygous ?
Heterozygous is the condition where the genes in the alleles are different to each other where one has a dominant character and one has a recessive character. The genotypes of the woman and man decide the genotype of the offspring.
The genotypes of the man and woman is heterozygous where the dominant once out of 3 will have the dominant traits for the albinism. The condition will have to be heterozygous as in the Ia Ii gene where the gene for the albinism will be i gene.
The same genotype for the male where the Ib i gene in which i i the albinism carrying gene here the ii condition of the gene will express the albinism.
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Select the correct answer.
Which takes places as a result of double fertilization in
an angiosperm?
O A.
Double fertilization produces a triploid zygote and diploid endosperm.
O B.
Double fertilization produces a diploid zygote and triploid endosperm.
• C.
Double fertilization produces a triploid zygote and a triploid endosperm.
Answer:
The ovary is where double fertilization will take place. After pollination, a pollen tube grows inside of a carpel towards the micropyle of an ovule.
Explanation:
^
Write T next to the statements that are true. Write F next to the statements that are false. Then write
corrected versions of the statements that are false.
a Stems carry food from the roots to the leaves.
b The parts of a plant that make food are usually green.
c Roots are the only organs in a plant that need water.
Answer:
a= T
b=T
c=F
Explanation:
the answer is correct
The maintenance or balance of a stable internal environment within an organism is termed?
Answer:
Homeostasis
Explanation:
What is physiological?
Describe how oxygen is transported in blood, and explain how temperature, pH, BPG, and affect oxygen loading and unloading.
Solution :
The flow of oxygen in the blood is been transported by two ways :
1. in plasma 1.5%
2. bound to hemoglobin 98.5%
As the oxygen loads in the body, affinity of the Hb makes the oxygen loading very efficient in the blood. The Hb molecule gets saturated when all the 4 hemes are oxygen binded.
The decreased pH weakens the hemoglobin oxygen binding in the tissues.
Higher temperatures in the oxygen means a lower affinity and thus more oxygen is released and so the oxygen unloads.
Increase in the temperature, the BPG and the modification of the structure in the hemoglobin decreases the affinity for the oxygen and further enhances the unloading of the oxygen in the blood.
Muscle anatomy can be described as a bundle within a bundle within a bundle, explain.
Answer:
Each compartment contains a bundle of muscle fibers. Each bundle of muscle fiber is called a fasciculus and is surrounded by a layer of connective tissue called the perimysium. Within the fasciculus, each individual muscle cell, called a muscle fiber, is surrounded by connective tissue called the endomysium.
Explanation:
write the function of eustachian tube?
Answer:
Equalized air pressure.
Explanation:
The function of eustachian tube enables air pressure to be equalized between the outside air and the middle ear cavity. The eustachian tube also known as pharyngotympanic tube that connects the middle ear cavity with the nasopharynx. Eustachian tube is responsible for the aeration of the middle ear system as well as clears mucus from the middle ear into the nasopharynx. Opening and closing functions of the eustachian tube are is very important.
A new organism is discovered at the bottom of the ocean. A scientist is determining the composition of elements found in the tissues of the organism.
Which elements will most likely be found?
Answer:
carbon, hydrogen, nitrogen, and oxygen
Part B
Next, our galaxy can be organized into a galaxy group. This galactic group is a collection of about 50 galaxies that are
gravitationally bound to each other. What is the name of the galaxy group in which our galaxy belongs? As you are
researching, list at least three characteristics that you learned about our galaxy group.
Answer:
The Milky Way galaxy is part of a group of galaxies called the Local Group. Three characteristics that I learned about our galaxy group is The Milky Way is a large barred spiral galaxy, they come in a variety of shapes and sizes, and it appears as a milky band of light in the sky when you see it in a really dark area.
Explanation:
Edmentum
The Milky Way galaxy is a member of the Local Group of galaxies named Laniakea . The Milky Way is a massive barred spiral galaxy and can be seen as a milky band of light.
What are the characteristic feature of the Milky Way?
The Milky Way galaxy is a massive, flat, disk-shaped collection of stars, gas, and dust that spans around 100,000 light-years and is several thousand light-years thick.
The Milky Way galaxy contains every star that we can see with our unaided eyes. The Andromeda Galaxy is the only celestial object visible in the night sky with unaided eyes that is not part of the Milky Way.
It is estimated that the Milky Way is 12 billion years old.
Thus, Milky Way is the galaxy we live in amongst others.
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QUESTION 27 in the brain Both sleep and mood are related to levels of O a. endorphins. O b. dopamine. O c. serotonin. O d. marshmallow.
Answer:
C) Serotonin
Serotonin, help to stabilize our mood and also helps with sleeping.
Similarities in DNA and amino acid sequences of proteins between two different species may indicate Multiple Choice common ancestry. that the two species cannot be related through common descent. that members of the two species will look and function exactly alike. the two types of organisms in question are really members of a single species and not different ones.
Answer:
common ancestry
Explanation
Common ancestry refers to the fact that two or more species have the same ancestor. Moreover, in genetics, sequence homology (either DNA or protein sequence homology) refers to common ancestry between different species/taxa (instead of sequence similarity, which may be caused by both convergent or divergent evolution). In bioinformatics, both local and global alignments of DNA/RNA/protein sequences can be used to determine sequence homology. Sequence homology due to common ancestry may be caused by three types of evolutionary events: 1-speciation (ortholog sequences), 2-duplication (paralog sequences), or 3-horizontal gene transfer (compared to speciation and duplication, horizontal gene transfer is an extremely rare evolutionary event).
Similarities in DNA and amino acid may be a way to establish evolutionary relationship among organisms.
These similarities between two different species may indicate common ancestry.
Evolutionary relationships can be established with similarities between two different species. It just indicates that they have evolved separately from the common ancestor. The common ancestor being the link between the two species.
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__________________ moves the respiratory medium over the respiratory surface.
Group of answer choices
perfusion
percolation
ventilation
diffusion
Answer:
ventilation
Explanation:
Breathing, also known as ventilation, is the process of moving air or water in order to facilitate the gas exchange between the external and internal (body) environment, mostly to eliminate carbon dioxide (CO2) and bring in oxygen (O2). For example, fish are aquatic animals that need to run water over their gills to get the O2 that they need to survive (gills are organs that create a large surface area for ventilation). Moreover, insects ventilate their tracheal system to get O2. Finally, terrestrial vertebrates (i.e., amphibians, reptiles, birds, and mammals) use organs called lungs to exchange O2 and CO2 between their cells and the external environment.
