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
diamong [38]
3 years ago
7

A/ Một nguyên tử X có tổng số các loại hạt bằng 18

Biology
1 answer:
Nikitich [7]3 years ago
7 0

Explanation:

a) p+e+n=18

mà p=e=z => 2p +n=18

câu a có thiếu dữ kiện không?

You might be interested in
CD8 helps with recognition of which of the following molecules on the surface of a cell?
Shalnov [3]

Answer:

MHCI

Explanation:

Major histocompatibility complex I (MHCI) is present on the nucleated cells of the body. Endogenous pathway represents the pathway of MHC class I molecules.

MHCI display peptide fragment of proteins to the cytotoxic T cells with the help of CD8 ( Cluster of differentiation). CD8 binds with the MHCI and expressed on the surface of cytotoxic T cells.

Thus, the correct answer is option (D).

7 0
4 years ago
Which force of erosion would most likely cause large amounts of loose soil to move down the slope of a hill?
geniusboy [140]
You’re correct answer is gravity
5 0
3 years ago
Read 2 more answers
During long periods of exercise the supply of glycogen in muscle cells is used up after excercise the body quickly replaces the
scoray [572]

Answer:

A. Short term energy storage

6 0
3 years ago
Easy questions, easy points​
EastWind [94]
For the first question the answer is C the second one the answer is A
6 0
3 years ago
Read 2 more answers
Question: True or False: Evidence and Data that is
LenKa [72]
I think it’s false but jsjs
5 0
3 years ago
Read 2 more answers
Other questions:
  • Embryological evidence suggests that the echinoderms are closely related to the ______________. arachnids annelids arthropods ch
    12·1 answer
  • The is found at 0 Longitude
    14·1 answer
  • What molecule would be the most affected by limited nitrogen?
    10·2 answers
  • PLZZZZ!!!!!!!
    5·2 answers
  • What is the power house of the cell?
    15·2 answers
  • Use the drop-down menus to complete the statements.
    12·2 answers
  • Bones are are hell together at the joints by connective tissue called
    14·1 answer
  • Entrepreneurs and business-owners of high uncertainty avoidance cultures will be more willing to take risks and make changes. Tr
    8·1 answer
  • Why do people in hot countries completely cover their body in black clothing?
    9·2 answers
  • How is a graph similar to a data table?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!