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
Romashka-Z-Leto [24]
3 years ago
12

The building blocks of DNA are like alphabet letters, because they:

Biology
1 answer:
timurjin [86]3 years ago
8 0

Answer:

The letters of DNA pair up because they form hydrogen bonds: each contains hydrogen atoms, which are attracted to nitrogen or oxygen atoms in their partner

Explanation:

You might be interested in
Describe how gametogenesis in egg cells is different that that of sperm cells
Dmitry [639]

Answer AND Explanation:

Gametogenesis is the formation of gametes. Formation of sperms also called spermatogenesis takes place in the testes while formation of eggs also called oogenesis takes place in the ovary. Oogenesis in females begins before birth, however maturation of the eggs take a very long time and is only complete after fertilization. In males sperm formation only occurs after puberty.

7 0
3 years ago
In this food chain the __________ has the LEAST energy available to it for its life processes.
AysviL [449]
The top of the food chain
6 0
4 years ago
Read 2 more answers
What is the difference between a scientific theory and a law?
nekit [7.7K]

Answer:

In general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory

Explanation:

6 0
3 years ago
A researcher investigates a recently discovered species of plant. The plant has vascular tissues and exhibits a sporophyte and a
Anna71 [15]

The plant contains vascular tissue and has an alternation of generation. But, it lacks seeds. So, the plant is a Pteridophyte.

  • Vascular tissues are absent in thallophytes and bryophytes. They are found in pteridophytes, gymnosperms and angiosperms.
  • The sporophyte and gametophyte generation is common in bryophytes and pteridophytes.
  • Seeds are produced in plants that come under the group gymnosperms and angiosperms. The presence of seeds is the main characteristic of these groups.
  • Thallophytes, bryophytes and pteridophytes lack seeds. The reproduction in plants that comes under these groups occurs with the help of spores.

Thus, the recently discovered species of the plant should be classified based on the presence of vascular tissues, gametophytes and sporophytes. As pteridophytes contain vascular tissues, sporophytes and gametophytes and lack seeds, the plant is a pteridophyte

Learn more about pteridophytes here:

brainly.com/question/12375814

#SPJ10

6 0
2 years ago
James suffers from atherosclerosis, a condition that causes artery walls to harden and thicken. Atherosclerosis restricts blood
Over [174]

I would say D. Circulatory hope this helped

3 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following are examples of trisomy?
    8·1 answer
  • This part is used to bring the specimen into sharp focus. This part causes a very small up and down motion when used.
    9·1 answer
  • Which domain do humans belong to
    7·2 answers
  • The two main processes by which plant cells absorb, release, and use energy are
    11·2 answers
  • Seeds contain not only a complete plant embryo, but they also store food to provide energy for the germination and early develop
    10·2 answers
  • Which component of peanut butter rutf supplies essential amino acids?
    11·1 answer
  • PLEASE HELP ITS AN IMPORTANT TEST
    15·1 answer
  • Which of the following does the endocrine system regulate?
    10·1 answer
  • Describe how you are involved in both the carbon and oxygen cycles
    13·2 answers
  • In a particular population the allele frequency of the ABO blood type alleles are as follows: r is 50%. IB is 49% and i is 1%. I
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!