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mash [69]
3 years ago
5

Choose the term that best completes each sentence. 1. An individual with two identical alleles for a gene is ________ for that g

ene. 2. An individual with two different alleles is __________. 3. The ________ describes the outward expression of an allele combination. 4. A phenotype is a __________ variant of a gene’s expression that arises when the gene undergoes a change. 5. One trait that masks another is _________ trait.
Biology
1 answer:
sineoko [7]3 years ago
3 0

Answer:

1. homozyous

2.heterozygous

3.phenotype

4.mutant

5.dominant

Explanation:

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A quantity of a gas has an absolute pressure of 400 kPa and an absolute temperature of 110 degrees kelvin. When the temperature
VMariaS [17]

Answer:  The new pressure of the gas is (A) 854.46 kPa.

The pressure of a given mass of gas at the absolute temperature 110 degrees K is 400 kPa.

The temperature is raised to 235 degrees K  with constant volume.

Therefore,

Initial pressure P_{1}=400kPa

Initial temperature T_{1}=110K

Final temperature T_{2}=235K

Final pressureP_{2}=?

According to pressure law of gas,

\frac{P_{1} }{T_{1} }=\frac{P_{2} }{T_{2} }     ( at constant volume)P_{2}=\frac{P_{1}T_{2} }{T_{1} }

P_{2}=\frac{400X235}{110}

P_{2}=854.46kPa

Thus, the required new pressure of the gas is 854.46 kPa.

5 0
3 years ago
increasing intracellular cAMP leads to smooth muscle relaxation by: Group of answer choices inhibiting IP3 channels, leading to
kirza4 [7]

Answer:

1. Inhibiting IP3 channels, leading to decreased Ca2 in the sarcoplasm and reduced contraction.  

2. Increasing the relative activity of MLCP, leading to a decrease in tension.

3. Activating K channels, increasing K leaking out of the cell which hyperpolarizes it and decreases the likelihood of Ca2 entry.

Explanation

In smooth muscle, cyclic AMP (cAMP) mediates relaxation because cAMP inhibits a specific kinase required for myosin light chain protein (MLCP) phosphorylation, thereby triggering contraction in the smooth muscles. It has been shown that cAMP inhibits 1,4,5-trisphosphate (IP3)-dependent calcium ions (Ca 2+) release by activation of the cGMP-dependent protein kinase (PKG). PKG proteins act to modulate Ca2+ oscillations by stimulating sarcoplasmic Ca2+-ATPase membrane proteins, increasing Ca2+ in the sarcoplasmic reticulum stores and Ca2+ efflux from the cells, and activate voltage-gated potassium (K) channels, thereby leading to membrane hyperpolarization and reducing Ca2+ entry through Ca2+ channels.

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2 years ago
Explain why using different seed types along with different water temperatures is an improper experimental design.
Darya [45]

Answer:

Because each subject in an experiment has to have equal conditions to ensure the most accurate results. And water temperature is known to impact plant growth. An experiment using different water temperatures is a terribly inaccurate experiment.

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1 year ago
Which part of the neuron below is indicated by the arrow, and what is its function? The long section of a neuron that includes s
MaRussiya [10]

Answer:Nervous tissue is composed of two types of cells, neurons and glial cells. ... An important part of the function of neurons is in their structure, or shape. ... It is the axon that propagates the nerve impulse, which is communicated to one or more cells. ... Information flows through a neuron from the dendrites, across the cell body, ...

4 0
3 years ago
Evidence for evolution includes the presence of _______________________, which are similar structures shared by different specie
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Homologous structures (D)
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