If de novo fatty acid synthesis is active would you expect malic enzyme to be active or not? Please explain.
In: Biology
describe how the various types of protozoans move, and give an example of each type
In: Biology
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The biomedical engineering department in the hospital has been asked to calibrate the pulmonary function equipment. It helps to understand the major tests that will be conducted. Correctly match these pulmonary function tests with their description. |
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In: Biology
T.C and her husband are talking one evening, and you
overhear that they are very dissatisfied with the care provided by
the physician.they believe that he has mismanaged T.C care.they are
discussing getting an attorney. they ask what u think. what do u
do?
In: Biology
How does the hypothalamus and anterior pituitary turn neuronal AP and turn them into hormones for secretion?
In: Biology
1,)The chemical composition of the peptidoglycan carrier bactoprenol is highly hydrophobic. Explain why this is necessary for bactroprenol to carry on its function
2.)Briefly describe the mechanism of action of beta-lactam antibiotics such as penicillin.
In: Biology
In cucumbers:
Dull fruit (D) is dominant to glossy (d)
Orange fruit (R) is dominant to cream (r)
Bitter cotyledons (B) are dominant to nonbitter (b)
A cucumber with the genotype ddRrBb was crossed to a cucumber with the genotype DdRrBb
using a branch diagram, determine the probability that an offspring from this cross will be dull and cream with nonbitter cotelydons? (Type in as a decimal and round to 6 decimal digits.)
In: Biology
Describe the three basic methods for contructing a life table (2 main methods, one of which has 2 submethods). For each one explain how data are collected and entered into a life table. Identify a positive and negative aspect for each.
In: Biology
Question 11
Which of the following is a trace element in the human body?
| hydrogen |
| oxygen |
| zinc |
| nitrogen |
Question 12
Which of the following statements regarding matter is false?
| All matter is composed of elements. |
| All matter exists in the form of compounds. |
| All life is composed of matter. |
| All matter has mass. |
Question 13
Which of the following statements best describes a compound?
| A compound is exemplified by sodium. |
| A compound is a solution. |
| A compound contains two or more different elements in a fixed ratio. |
| A compound is a pure element. |
Question 14
In the equation 2 H2 + O2 ? 2 H2O,
| only H2O is a compound. |
| only H2 and O2 are compounds. |
| H2, O2, and H2O are all elements. |
| H2, O2, and H2O are all compounds. |
Question 15
Which of the following particles are found in the nucleus of an atom?
| neutrons and electrons |
| neutrons, electrons, and protons |
| protons and electrons |
| protons and neutrons |
Question 16
Which of the following best describes the atomic number of an atom?
| the number of electrons in the atom |
| the number of protons in the atom |
| the number of protons, electrons, and neutrons in the atom |
| the number of neutrons in the atom |
Question 17
Typically, nitrogen atoms are composed of electrons, protons, and neutrons. An isotope of nitrogen could
| be positively charged. |
| be negatively charged. |
| have more protons than the usual nitrogen atom. |
| have more neutrons than the usual nitrogen atom. |
Question 18
When full, the innermost electron shell of argon contains ________ electrons, and the outermost shell contains ________ electrons.
| 2; 8 |
| 8; 8 |
| 4; 8 |
| 2; 2 |
Question 19
A(n) ________ forms when two atoms share electrons.
| covalent bond |
| ion |
| ionic bond |
| hydrogen bond |
Question 20
A hydrogen atom has one electron. How many covalent bonds can hydrogen form?
| one |
| none |
| two |
| four |
In: Biology
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a. This practice decreases the efficiency of local insect-driven pollination. |
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b. This practice decreases the nutritional quality of subsequent crop yields. |
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c. This practice increases the chances that disease will decimate global crop yields. |
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d. This practice interferes with the normal course of natural selection. |
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e. This practice increases the chances that a genetic mutation will occur. |
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a. form buds with a small amount of cytoplasm and no nucleus |
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b. produce spores by meiosis at the tips of specialized hyphae |
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c. form buds one nucleus and a small amount of cytoplasm |
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d. form dikaryotic buds with a small amount of cytoplasm |
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e. produce spores by mitosis at the tips of specialized hyphae |
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a. decreasing carbon dioxide levels |
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b. inhibiting the function of chloroplasts |
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c. depleting the plant of nutrients |
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d. producing toxic levels of carbon monoxide |
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e. increasing oxygen levels |
In: Biology
How we can get a benefit from association colloids in pharmaceutical field
In: Biology
( This is the 3 topic for question 1) DNA is a double-stranded helix, DNA and RNA are polymers of nucleotides, DNA replication depends on specific base pairing
1) Post three topics or quotes that you found interesting from chapter 10, and explain why. Also respond to at least three other classmates using the 3C+Q method.
2) Name three changes that you could make to decrease your ecological footprint.
3) What can we do to preserve and restore biodiversity?
4) What can we do to limit climate change?
5) Just for fun, I saw this article pop up on social media a few months ago. I thought it was interesting and related to the material. Tell me what you think.
In: Biology
Compare and contrast transformation, transduction and conjugation. Include at least 5 different comparisons/contrasts between all three.
In: Biology
What drives the uptake of soil solution by plant roots?
a. active transport of soil solution into the root hairs and to the stele
b. osmosis of water from soil toward mineral concentrations in the roots
c. root pressure builds and generates the one way flow of water into the roots from the soil
d. different water pressures of the symplastic and apoplastic pathway result in a concentration gradient that attracts water
e. transpirational pull of water draws water from the soil into the plant
In: Biology
1.) A researcher unexpectedly identified mutant bacteria deficient in the FtsZ protein. Their growth appeared filamentous, and displayed incomplete cell division. Explain the role of the FtsZ protein and how a deficiency would account for this altered growth.
2.)Why could understanding bacterial cell division have practical medical applications?
In: Biology