4,064 Answered Questions for the topic biology

Biology

01/30/21

Which statements given below provide correct descriptions of macroevolution?
A) Mass extinctions primarily kill off plant life leaving animal numbers virtually unchangedB) following a mass extinction when one species has an advantage over another species for survival we... more
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Biology

01/30/21

A group within an experiment are subjected to all the conditions except the experimental variable is called the
A) experimental group B) control groupC) independent variableD) dependent group
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Biology

01/30/21

Which best describes a control group in an experiment?
A) a group with the condition that is being testedB) A non-random sample taken through all experimental stepsC) A variable that is being deliberately varied in the experimentA group that lacks the... more
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Biology

01/30/21

Chromatin is found in animal cell,plant cell or both?
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Biology Microbiology

01/29/21

Phospholipid bilayer

Can acids diffuse through the phospholipid bilayer?
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Biology

01/28/21

Why is this evidence that our planet is young and still changing?
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Biology

01/28/21

Describe an emergent property that might arise when moving from a single neuron ( nerve cell) to neuron tissue

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Biology

01/27/21

Choose the right answer: 1-there is editing in rRNA also 2-editing occurs by Intron splicing 3-editing means the correctians of the mistakes in mRNA sequence 4-maturation of mRNA occurs in

Choose the right answer:1-there is editing in rRNA also2-editing occurs by Intron splicing3-editing means the correctians of the mistakes in mRNA sequence4-maturation of mRNA occurs in the... more
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Biology Genetics

01/27/21

Bird Punnet Square
A male and female bird has four unhatched eggs. The female on the left is heterozygous for feather color, while the male on the right is homozygous recessive. We will use B and b to represent the... more
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01/27/21

What are the three ways of Co2 transported within blood
Please I need help with question
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Biology

01/26/21

can someone answer this

Which of the following explains why meiosis contributes to genetic variations? A - it increases the ratio of mitosis within an organismB - It produces offspring that are different from either... more
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01/26/21

Pathophysiology Calcium Question
Explain how malabsorption of calcium from the intestine would affect serum calcium and serum PTH.Any help on this question would be greatly appreciated, thanks!
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Biology Physiology

01/26/21

Hormones (high school bio)
Hi!I have a biology question that I do not know how to answer.Mention some contexts where it is extra important that the hormones work for coordinationI don't understand which contexts they mean..
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01/26/21

The nervous system is very important in maintaining homeostasis. Explain how it is involved in the negative feedback loop

The nervous system is very important in maintaining homeostasis. Explain how it is involved in the negative feedback loop (think about each component of the negative feedback loop, receptor,... more
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01/26/21

List the structures that help to change the characteristic of inspired air before it reaches the lungs.
please i don't understand this question
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01/26/21

Pathophysiology Hormone Balance

Fill in the following table regarding the hormones involved in water and sodium balance.  Stimulus for Release Effects of hormone ADH Aldosterone Atrial natriuretic peptide If... more
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01/25/21

.Explain the difference between the type of blood carried by arteries and veins of: pulmonary circulation and systematic circulation on and on and
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01/25/21

Explain the changes that occur to the characteristics of inspired air before it enters the lungs

I don't understand this question. I need help urgently
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01/25/21

List the structures that help to change the characteristic of inspired air before it reaches the lungs.
I need help with this question. I don't understand it
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01/25/21

Describe the negative feedback loop
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Biology Gene

01/25/21

Describe how the field of genomics has developed over the past 50 years.
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Biology

01/25/21

what is happening at the particle level as your tongue freezes to the popsicle, and after it eventually releases from the popsicle.

There is nothing better than an ice-cold popsicle on a hot summer day! But have you ever licked a popsicle right after removing it from the freezer and had your tongue stick right to the side of... more
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01/25/21

Name the main body compartments of the human body and list organs in the different compartments

please i need help with this question
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Biology Science Bio

01/25/21

Describe the functional effects of the sympathetic nervous system,
Please i need help with this question i don't understand this question. it's urgent
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Biology Science Biosience

01/25/21

Describe the negative feedback loop in detail. Explain the function of each component. A general negative feedback loop, not one specific to temperature regulation.
Please i need help with this question
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