4,064 Answered Questions for the topic biology

Biology

02/22/23

Imagine a paleontologist from 100,000 years into the future. Which organisms would the fossil record from today likely include?

Imagine a paleontologist from 100,000 years into the future. Which organisms would the fossil record from today likely include? For one of the answers below, here is a picture of a hellbender... more
Follows • 1
Expert Answers •2
Biology

02/22/23

The Cambrian explosion gave rise to organisms that ate other organisms. Which of the following adaptations from these organisms (recreated from fossils) DOES NOT indicate this fact?
The Cambrian explosion gave rise to organisms that ate other organisms. Which of the following adaptations from these organisms (recreated from fossils) DOES NOT indicate this fact?A. Marrella has... more
Follows • 1
Expert Answers •2

02/22/23

Explain how the anatomical structures and their physiological function/dysfunction are interrelated normally and what is going wrong with the structures in this current patient case information.
1.Identify all anatomical structures related to and/or that are being affected based on the patient case information.2.Identify and explain possible a diagnosis and what can be done to fix or... more
Follows • 1
Expert Answers •2
Biology

02/22/23

What is Denaturing and what causes it to occur
Follows • 1
Expert Answers •1
Biology

02/20/23

help - first tutor session
Hi - I have a tutoring session set for this comming saturday....a) it's for a boy I know - how do I get him added to the account so he gets the correspondence from the tutor??b) where does he go... more
Follows • 2
Expert Answers •1
Biology

02/19/23

What is the RPM required if you need an RCF of 2,543 and are using a rotor with a radius of 21 centimeters?
What is the RPM required if you need an RCF of 2,543 and are using a rotor with a radius of 21 centimeters?
Follows • 1
Expert Answers •1
Biology Genetics

02/19/23

Biology: Inheritance Topic
How do you determine the phenotype ratio? If we had a punnet grid, what is the order of the ratio? I understand that both dominant traits come first, but I don't know the orders after. Also, what... more
Follows • 1
Expert Answers •1
Biology

02/19/23

What are 4 examples of organisational policies and procedures relevant to an animal attendant working in an animal care facility
Follows • 1
Expert Answers •1
Biology

02/16/23

A woman with curly hair and a man with straight hair produced kids with straight hair:
complete dominant  incomplete dominant codominant 
Follows • 1
Expert Answers •2
Biology

02/14/23

Molecular biology: Protein transport mechanisms

What are the three main intracellular transport mechanisms for proteins? How does cell topology influence the particular mechanisms needed to transport a protein among organelles intracellularly?
Follows • 1
Expert Answers •1

02/14/23

A rate law is 1/2 order with respect to a reactant. Describe (quantitatively) what happens to the rate of reaction when the concentration of this reactant is doubled.

A rate law is 1/2 order with respect to a reactant. Describe (quantitatively) what happens to the rate of reaction when the concentration of this reactant is doubled.
Follows • 1
Expert Answers •1

02/14/23

Consider the possible reaction mechanism below.
A + B ➞ C + D D + B ➞ C a. Show that mechanism is consistent with balanced equation. b. Show which is the rate-determining step (RDS). Explain your choice.
Follows • 2
Expert Answers •1

02/14/23

The experiment is repeated at 500˚C. How would the following change (qualitatively) at the new temperature (explain your answer)?

This reaction was originally done at a temperature of 250K, but now it is being done at 500K.4PH3 (g) ➞ P4 (g) + 6H2 (g)a. The half-life of phosphine. b. The rate law for phosphine decomposition.... more
Follows • 2
Expert Answers •1

02/14/23

Assume the rate of disappearance of PH3 is 2.5 x 10^-3 M/s at 20 seconds.

4PH3 (g) ➞ P4 (g) + 6H2 (g)a. What is the rate of appearance of P4 at 20 seconds?b. How will the rate of P4 appearance change (qualitatively) as the reactionprogresses?Justify each answer!
Follows • 2
Expert Answers •1
Biology

02/13/23

Description of the kidney's parts.
What is meant by concave and convex when describing the cortex and medulla of the kidney?
Follows • 1
Expert Answers •1
Biology Genetics

02/12/23

A woman who is heterozygous for the sex-linked condition of red-green color blindness marries a man with normal vision. Which of these would you not expect to observe among their possible children?
a.) A son who is color blind and a daughter with normal visionb.) A son and a daughter with normal visionc.) A son with normal vision and a daughter who is color blindd.) Two daughters with normal... more
Follows • 1
Expert Answers •1
Biology

02/11/23

How to write a lab report of bacteria growth on agar

Lab report on microbes everywhere ( Bacteria growth on agar)
Follows • 2
Expert Answers •1
Biology

02/10/23

The resting membrane potential of a cell relies on the fact that the extracellular environment is relatively positive and the intracellular environment is relatively negative.
The resting membrane potential of a cell relies on the fact that the extracellular environment is relatively positive and the intracellular environment is relatively negative.
Follows • 1
Expert Answers •1
Biology

02/10/23

If the LOR is 0.0021mm and two objects are 0.0015mm apart they are seen as

If the LOR is 0.0021mm and two objects are 0.0015mm apart they are seen as
Follows • 1
Expert Answers •1
Biology Physiology

02/09/23

TOXINS AND Na+ channels
Some animals produce toxins that work by interfering with nerve conduction in the same way that local anesthetics do. For example, some organs of the pufferfish produce an extremely potent toxin,... more
Follows • 1
Expert Answers •2
Biology Physiology

02/09/23

K+ and IPSP or EPSP
You are studying the role of a newly discovered neurotransmitter. You find that there are receptors for this neurotransmitter on interneurons in the brain and that when it binds, it causes the... more
Follows • 1
Expert Answers •1
Biology Physiology

02/09/23

Which equation is most accurate?
Which equation is most accurate? a) Extracellular fluid volume - interstitial fluid volume = circulatory fluid volume b) Extracellular fluid volume + interstitial fluid volume = whole body fluid... more
Follows • 2
Expert Answers •1
Biology Physiology

02/09/23

All of the following statements are correct, except -----------.
All of the following statements are correct, except -----------. a) The concentration of calcium in the cytosol of resting cells is very much higher than the concentration of extracellular... more
Follows • 1
Expert Answers •1
Biology Genetics

02/08/23

How many chromosomes and chromatids are present at/in
Somatic cells of a species who sex-determination system is similar to that of humans, contain 46 chromosomes. How many chromosomes and chromatids are present at/in: (6 marks)a) anaphase of... more
Follows • 1
Expert Answers •1
Biology

02/06/23

bio labb homework
Having learned that the optimum sugar concentration is 25% , the students next decide to investigate whether different strains of yeast produce different amounts of alcohol. If you were going to... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.