1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Pepsi [2]
3 years ago
5

Do annelids have internal or external shell?

Biology
2 answers:
ella [17]3 years ago
7 0
Annelids have either internal nor external shell
n200080 [17]3 years ago
6 0


Annelids have neither an external or an internal shell.  Examples of annelids are

earthworms and leeches. 

You might be interested in
You have isolated a highly lethal toxin from an octopus that you have reason to believe binds with high affinity to the pore ope
Brilliant_brown [7]

Answer:

To determine the effect of toxin binding, you perform a Competitive Binding Experiment

Explanation:

Competitive binding experiments are very relevant when matters relating to cellular and or molecular toxicity are concerned.

They are used to determine the binding of a single concentration of labeled ligand in the presence of various concentrations of unlabeled ligand.

They are important because:

1. Validate a direct binding assay

2. Confirm whether or not a drug binds to the receptor

3. determine and explore how low-affinity drugs and receptors interact and it's resultant effects

Cheers                                  

5 0
3 years ago
Which of the following is not correct? All cells _____.
motikmotik
The answer would be <span>photosynthesize. Only plant cells use the process of photosynthesis to create ATP.</span>
3 0
3 years ago
During exponential growth the rate of growth
jasenka [17]
During exponential growth the rate of growth accelerates according the the number in the exponent of the base, which can of course vary depending on circumstance. 
5 0
3 years ago
A couple just brought home their new baby from the hospital. They begin to suspect that the hospital switched babies, and the ba
lyudmila [28]

Answer:

Explanation:

the baby is not theirs because the father has a blood type of OB so he can give an O or a B and the mother has a blood type AB so she can give either an A or a B so their child could either be of blood type A or B or AB but not O

4 0
2 years ago
Allen is an 82-year-old retiree who recently relocated to senior apartments. The apartments are not affiliated with any religiou
andrezito [222]

Answer:

Separation from spiritual ties.

Explanation:

Spirituality may be defined as the belief towards the religion or the religious process that helps to find the individual identity of the man. The spirituality might also represent the Holy spirit in Christians.

The spirituality is helpful for the connection of the individual with its religion. The esoteric traditions and religious traditions are involved in the spirituality. Allen do not attend the mass implies that he might be separating from the spiritual ties and loses his belief from the religion.

Thus, the answer is separation from spiritual ties.

6 0
3 years ago
Other questions:
  • What is meant by the phrase "plants are green factories"?
    9·2 answers
  • At the beginning of cellular respiration, energy is stored in the bonds of (blank)
    10·1 answer
  • What organisms are the MVP's (most valuable players) of life. And if we disappeared off of the Earth, would it have a detrimenta
    13·1 answer
  • The heavier the object the _____________________ _____________________ it has if it has the same velocity at all masses.
    10·1 answer
  • The spinal cord is a thick column of nervous tissue that links the brain to the ____? a peripheral nervous system b muscular sys
    11·1 answer
  • The reaction rate of a chemical reaction was measured with and without an enzyme. Which line is the reaction with an enzyme?
    8·2 answers
  • Hybrid plants are more likely to be sterile than open-pollinated plants.<br> True<br> False
    12·1 answer
  • A type of grass is planted in someone's backyard to look visually appealing but has a toxin that prevents local animals from suc
    6·1 answer
  • The chromosomes are arranged in their respective _________________________________ pairs. In humans, this displays 22 pairs of _
    15·1 answer
  • The repeating series of events that a cell goes through during
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!