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
Katen [24]
2 years ago
8

Mammalian erythrocyte lacks nucleus. Why? Give reason. ​

Biology
1 answer:
faust18 [17]2 years ago
4 0

Explanation:

Complete answer:

A mature erythrocyte lacks nucleus and mitochondria so as to make a place for the accommodation of more hemoglobin and hence more oxygen molecules. Lack of such organelles also provides the peculiar biconcave appearance of RBCs that aids in efficient diffusion. Young mammalian RBCs are nucleated.

You might be interested in
This type of reproduction in plants is centered around the flower's ovum
Burka [1]

Answer:

sexual reproduction

Explanation:

The type of reproduction in which the ovum and the pollen of a flower fuse together is refer to as sexual reproduction.

<u>The ovum of a flower is equivalent to the female reproductive part while the pollen is equivalent to the male's reproductive part. During fertilization, the female reproductive part (the ovum) fuses with the male's reproductive part (the pollen) to produce a zygote.</u>

4 0
3 years ago
Which of the following describes the correct stepwise assembly (in vitro) of the eukaryotic RNA polymerase II preinitiation comp
PilotLPTM [1.2K]

Answer: (TFIID) TBP-> TFIIB IIA--> TFIIF RNA POL II

Explanation:

Remember that in eukaryotic organisms, transcription and processing are coupled processes. There are 3 different types of Rna pol. In the case of RNA pol II transcribes genes that encode proteins (mRNA synthesis). Transcription factors are involved, for example: TFIID, TBPs, TAF (recognizes TATA promoter center, regulatory functions), TFIIA (stabilizes TBP union, antirepressant function), TFIIB (RNA Pol II starting point selection).

7 0
3 years ago
What name is given to organisms that look alike, share a large number
larisa [96]
It's the definition of a SPECIES.
Those animals are from the same species.
3 0
2 years ago
The client asks why lab work is needed prior to starting the medication, nitrofurantoin. what information can the nurse provide
mrs_skeptik [129]
Nitrofurantoin is an antibiotic drug that used for treating urinary tract infection. This drug is relatively safe but has toxicity to some organ such as liver, nervous and lungs.
Prior lab work will exclude the chance that the organ is damaged before treatment. It also can be used to monitor if there are major adverse effect happens to the patient.
7 0
3 years ago
Read 2 more answers
write down at least twenty things that animals contribute to your life and the lives of those around you. Once you have the list
trasher [3.6K]

Answer:

Trust me i feel u  and understand so heres my answer so that u can feel at ease

Explanation:

Food- Most Ag animals, (Such as farm animals) Are mainly a source of food. This role is vital to my life and everyone else because Food is one of the major things we need for life. This item is produced through farming and Manufacturing. The main contributors to this would be Cows, Sheep, Pigs and Chicken.

Clothing- Some animals fur or Wool can be used as a type of base material for clothing. This Role is vital to my life and everyone else because Clothing is one of the major things we need for life. This item is produced through Shearing, Hunting and/or Manufacturing. The main contributors would be Sheep, but sometimes game animals (such as bears or deer) are used too

Milk- Cows and Some goats Makes milk. This is an important role because Milk is used in a variety of foods such as Cakes, Cereal, Oatmeal, etc. The main contributor would be Cows, however some times Goats milk can be used as well. Milk is mainly processed through pasteurization

Pets- Some animals (cats, dogs, birds, etc.) Can be used as Pets. This role is important because Pets are Stress relievers and can help mentally with what could go on around the world. Most pets are breed through selective breeding. The main contributors are Cats, Dogs and Fish.

Butter- Animal fat can be used to make butter. This is a important role because butter is also used in a variety of foods, such as cakes, Meats, etc. Animal fat left over from butchering animals can be process into butter. Most ag animals that are used for meat, (cows pigs) are used. A second way to make butter would be to use goats milk.

5 0
2 years ago
Other questions:
  • Where does the energy for active transport come from ?
    12·1 answer
  • What is the best explanation for why cells are considered the smallest units of living things
    10·1 answer
  • The walls of the small intestine are folded by what?
    9·1 answer
  • plate tectonics can help explain which of the following a. ocean currents b. weather systems c.land errosion d. trenches
    12·2 answers
  • This occurs when a shadow makes the sun or the moon seem to grow dark
    13·1 answer
  • Some leukocytes absorb entire ___ by the process of phagocytosis.
    6·1 answer
  • Describe the experiments that revealed the structure of the genetic material. If a sample of DNA contains 8% adenine (A), then w
    10·2 answers
  • What do theories hypothesize about the conditions of Earth's early atmosphere? Little to no oxygen Low levels of ultraviolet rad
    10·2 answers
  • True or false: Auxin is the primary enzyme responsible for plant growth and cell elongation. ​
    10·1 answer
  • Explain why the frequency of the tusklessness trait is increasing in the African elephant population. Justify your answer using
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!