Answer:
it's really simple, all you need to do is look at the periodic table. for example, group 1A has 1 valence electron. 2A has 2, 3A has 3, and so on.
b. glucose
c. lipids
d. mannos
Answer:
B Glucose
Explanation:
B. consumer price index (CPI)
C. gross domestic product (GDP)
D.unemployment rate
E. deflation
Answer:
GDP (c)
Explanation:
B.) chloroplasts
C.) cytoplasm
D.) genes
Ans. (D). genes.
Gene represents a sequence of DNA, which codes for a functional molecule (such as RNA or protein). Information about inherited traits is stored and transferred through the genes.
Heredity occurs due to genetic material, which gets passed from parents to their progeny in the form of DNA. During reproduction, all the information for survival, growth, and reproduction, found in the DNA gets transferred to the next generation.
Thus, the correct answer is option (D).
B)determining medical problems
C)fueling nuclear reactions
D)treating brain tumors
Radioactive tracers are useful in determining medical problems.
Answer: B. Determining medical problems.
Explanation:
Radioactive tracers are comprised of carrier particles that are reinforced firmly to a radioactive atom. These bearer particles shift incredibly relying upon the motivation behind the scan.
A few tracers utilize atoms that associate with a particular protein or sugar in the body and can even utilize the patient's very own cells.
Examples of radioactive tracer are - tritium, carbon-11, carbon-14 and oxygen-15 and so forth. Radioactive tracers are either injected in the body intravenously or orally.
B) The free carboxyl group can act as a base.
C) The free amino group can release hydrogen ions.
D) The free amino group can act as an acid.
Answer: a. The free carboxyl group can combine with hydrogen ions.
Explanation:
Hopefully this helped :)
Answer:
The answer is A.