Answer:
The process in which one bacteria transfers DNA to another is called conjugation.
Explanation:
Conjugation is the process of transferring genetic material from one bacteria to another through direct cell contact. In the process of conjugation one bacteria acts as donor and transfer the DNA to a recipient. There is a specific DNA sequence present in Donor's DNA called fertility factor (F factor). F factor helps in the formation of pillus which is the site of genetic material transfer.
Which blood vessel receives blood from the trunk and legs?
artery
aorta
inferior vena cava
superior vena cava
Answer:
The superior vena cava and inferior vena cava are veins that return deoxygenated blood from circulation in the body and empty it into the right atrium. The pulmonary artery carries deoxygenated blood from the right ventricle into the lungs for oxygenation.
Answer:
Its inferior vena cava which receives deoxygenated blood from the trunk and legs.
Explanation:
Our hear has 4 chambers. The upper two chambers receive the blood from all the parts of the body, where as the lower two chambers pump the blood. The right atrium receives the deoxygenated blood from various parts of the body. The left atrium receives oxygenated blood from lungs. The superior and inferior vena cava are veins, they carry deoxygenated blood. The one which carries deoxygenated blood from upper half of the body to right atrium is superior vena cava and the one which carries deoxygenated blood from lower half of the body to right atrium is inferior vena cava.
Some protists can reproduce both sexually and asexually. What's a major advantage of each?
A. Sexual reproduction increases genetic diversity, and asexual reproduction can be more rapid.
B. Sexual reproduction can be more rapid, and asexual reproduction allows the organism to produce an exact copy of itself.
C. Sexual reproduction is less prone to making genetic mutations, and asexual reproduction increases genetic diversity.
D. Sexual reproduction allows the organism to produce an exact copy of itself, and asexual reproduction can be more rapid.
Answer:
(A). Sexual reproduction increases genetic diversity, and asexual reproduction can be more rapid.
Explanation:
Sexual reproduction is a mode of reproduction, which involves formation of new organisms by combination of genetic information from two organisms of different sexes. The major advantage of sexual reproduction is to develop genetic diversity as new organism is produced by mixing up genetic material of both the parents.
On the other hand, asexual reproduction involves formation of new organisms from a single parent having identical genetic makeup as present in parent cell. One of the major advantage of asexual reproduction is to produce high number of offspring in less time as it is more rapid than sexual reproduction.
Thus, the correct answer is option (A).
Answer:
A. Sexual reproduction increases genetic diversity, and asexual reproduction can be more rapid.
Explanation:
Give an example of a theory in science
Answer:
Scientific theories are testable and make falsifiable predictions. They describe the causes of a particular natural phenomenon and are used to explain and predict aspects of the physical universe or specific areas of inquiry. For example the big bang theory
Which phenotypic change is genetic?
A. the flower color in a population changes overtime.
B. Plants in a field are smaller than usual after a drought.
C. An individual cuts his hair and changes its color.
D. A person with fair skin gets severely sunburned.
Answer:
The answer is a
Explanation:
A is the only answer that happened over time and is with a whole population. The others are just something that happens immediately or are caused by an outside factor. Genetics happen inside the organism.
Mafic lava tends to have low silica content. Based on this, which of the following statements about mafic lava is most likely true?
A. It contains fewer volatile gases.
B. It flows slowly.
C. It has higher viscosity.
D. It contains more volatile gases
Answer:
option a is correct it contains fewer volatile gases.
what are the functions of the different types of RNA in protein synthesis.
I need a paragraph, pls will give brainliest!!!
Answer:
First you have the mRNA or the messenger RNA. They are responsible for delivering the code from the DNA in the nucleus, to the ribosomes, where proteins are synthesized. The next would be the rRNA or the ribosomal RNA which are found in the ribosomes. They help with translation, or amino acid assembly. They bind with the next type of RNA, which is the tRNA. The transfer RNA or the tRNA carry the amino acids to the template from the mRNA. Each tRNA have a specific amino acid on them and they act as an adapter, between the mRNA code and the amino acid it carries. It translates the mRNA code to amino acid, to form the protein specific to the instructions of the DNA.
Plz help. A behavior that an organism is born with is called a(n)
A. Innate behavior
B. conditioned behavior
C. Imprinted behavior
D. Learned behavior
The act of an organism is referred to as behavior. It can be of different types. The one that an organism is born with is inborn behavior, i.e., option A.
What is inborn behavior?Inborn behavior is genetically acquired by an organism and can be performed in response to a factors without prior experience.
Some actions, such as the knee-pull reflex and the nursing reflex of human infants, are inborn behaviors.
Thus, the correct option is A.
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The graph on the left shows the heights of a population of penguins. The graph on the left shows heights of the population five years later.
What happened to the population of penguins?
Answer: disruptive selection
There are three types of selection:
Stabilizing selectionDirectional selectionDisruptive selection1. Stabilizing selection
Selects for average individuals Decreases variation/diversity ⇒ the population has more of the average trait and less of the extreme traits2. Directional selection
Selects for one of the extreme variations of a traitDecreases variation/diversity3. Disruptive selection
Selects for both extremes of a trait's variationSelects against average phenotypesCan lead to speciation (formation of a new species)See below attachment for additional help.
It is directional selection.
A specific atom of molybdenum has an atomic number of 42 and a mass number of 96. How many protons are in this atom of molybdenum?
Answer:
42
Explanation:
The mass number of an atom is equal to the number of protons plus the number of neutrons in a nucleus
This atom Mo-96 has an atomic number of 42 and so has 42 protons in the atom.
The atomic number of molybdenum is 42 and mass number is 96. . Number of protons in the molybdenum has 42 protons.
Molybdenum:Molybdenum is used to make alloys. It is d block element. Atomic number of molybdenum is 42. Molybdenum has very high melting point. Molybdenum is essential element present in plants and animals. There are about 50 different enzymes which contain molybdenum.
Atom is the smallest particle. It contains subatomic particles such as protons, neutrons and electrons. Atom contains nucleus at its center. It contains protons and neutrons.
Electrons revolve around positively nucleus. Atom contains same number of protons which is equal to its atomic number.
Therefore, The atomic number of molybdenum is 42 and mass number is 96. Number of protons in the molybdenum has 42 protons.
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