A ____ is any part of the experiment that can vary or change during the experiment. A. control B. variable C. temperature D. hypothesis

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Answer 1

Answer:

Answer:

Explanation:

Your hypothesis can and will most likely change during the activity.

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Arteries gradually constrict between each heartbeat. This would allow for which of the following? A. Blood pressure would drop during a heartbeat. B. Blood pressure would increase between heartbeats. C. Blood flow would be temporarily blocked between heartbeats. D. Blood volume would increase between heartbeats.
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A biologist collects DNA samples from two sisters. The younger sister has blond hair. The older sister has red hair. The sisters have different traits because their DNA contains different —A---order of nucleotides
B---types of sugar molecules
C---sized phosphate groups
D---types of nitrogenous bases
PLZ ANSWER IF U ARE ONLY SMART AT THIS STUFF

Answers

The sisters have different traits because their DNA contains different ORDER OF NUCLEOTIDES (Option A).

DNA is a double helix composed of two long chains of nucleotides.

In DNA, there are four types of nucleotides, each containing one different nitrogenous base, i.e., Adenine, Guanine, Thymine and Cytosine.

During gene transcription, a fragment of DNA called gene is used as template to create an mRNA, which is in turn used as template to create a protein.

The order of nucleotides in a given gene sequence determines the sequence in mRNA and ultimately also the protein sequence that's synthesized from this sequence.

In conclusion, the sisters have different traits because their DNA contains different ORDER OF NUCLEOTIDES (Option A).

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the answer is D hope this help

I NEED AN ANSWER RIGHT NOW!!!!!!!!!!What is an advantage of using cell culture rather than bacterial culture to produce biological molecules?

A]Cell culture can be used to produce fat-soluble vitamins.
B]Cell culture can be used to produce steroid hormones.
C]Cell culture can be used to produce clones.
D]Cell culture can be used to produce complex proteins.

Answers

The answer is Cell culture can be used to produce complex proteins.
so the answer is D

Hi There! :)

I NEED AN ANSWER RIGHT NOW!!!!!!!!!!What is an advantage of using cell culture rather than bacterial culture to produce biological molecules?

A]Cell culture can be used to produce fat-soluble vitamins.
B]Cell culture can be used to produce steroid hormones.
C]Cell culture can be used to produce clones.
D]Cell culture can be used to produce complex proteins.

D]Cell culture can be used to produce complex proteins.

which aquatic ecosystem typically forms along coastlines where freshwater and saltwater meet, leading to varying degrees of salinity

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Answer: Estuary

An estuary can be defined as an ecosystem where a fresh water source like stream of river get mixed with an ocean. The water in the estuary is brackish water. In estuaries, the water level and salinity rise and fall under the influence of oceanic tides, river flow and seasons. The oceanic tides creates the largest flow of saline water whereas, rivers creates largest flow of fresh water. During rainy season the rivers will flood the estuary with fresh water and in the dry season the estuary shrinks and becomes more saline. Therefore, estuary water varies in degrees of salinity.

An estuary. Estuaries are partially enclosed bodies of water along coastlines where fresh water and salt water meet and mix. They act as a transition zone between oceans and continents.

Describe a characteristic of both an Emperor Penguin and Galapagos Penguin that evolved differently due to their different environment

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Answer: The size.

Explanation: On the one hand the Emperor Penguin is bigger reaching up to 48 Inches (120cm) of height and 100 Lb in weight, on the other hand the Galápagos Penguin is much smaller. For example a large adult usually goes up to 21 Inches (53cm) and 5 Lb of weight.

This is directly related to the temperature of the environment in which each one develops, because a body exchanges heat in two dimensions through the surface. So, it's easier for a big creature to maintain core temperature stable.

This is really important in environments like the Arctic where temperature goes below zero and the opposite happen in the Equator where there is a tropical weather all the time.

Which part of the nephron conserves water and minimizes the volume of urine?

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The part of the nephron conserves water and minimizes the volume of urine loop of henle.

All of the following can be treatments for nightmares except __________.a. improved diet
b. counseling
c. medication
d. anxiety

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The correct answer is anxiety.

Nightmares are caused by the emotional issues related to the surrounding in which one is living. Anxiety can be one of themost prominent reason for nightmare but it cannot be used as a treatment. Having a healthy diet, counselling and medication in severe cases can help solve the problem of nightmare.

The mentioned answers such as counseling, medication, and improved diet can improve and have been shown to improve nightmares. A, B, C for that reason cannot be correct answer. D - anxiety, however, indeed is the thing which doesn't really improve nightmares.

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