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
exis [7]
3 years ago
5

When scientists compare organisms at the molecular level, what are they actually studying to determine evolutionary relationship

s?
DNA and proteins
carbohydrates and sugars
anatomical structures
lipids and fatty acids
Biology
1 answer:
zavuch27 [327]3 years ago
7 0

Answer:

DNA and proteins

Explanation:

By comparing these specific molecules in two different species, scientists can determine how closely related the species are.

You might be interested in
Normal urine is usually pale yellow to amber in color, due to the presence of
dmitriy555 [2]
<span>Normal urine is usually pale yellow to amber in color, due to the presence of Urochrome!</span>
6 0
3 years ago
Read 2 more answers
How many mutations are in the following DNA segment? (In other words, how many base pairs do not match up?)
salantis [7]

Answer:

2

Explanation:

7 0
3 years ago
What happens to the body when you have Down Syndrome? Please explain!
nalin [4]
As babies they may reach growth and development milestones later than other children do. These may include rolling over, sitting, standing, walking, and talking. As children in this age group, health problems and developmental disabilities can lead to behavior problems. For example, a child may develop oppositional defiant disorder which is a disorder in a child marked by defiant and disobedient behavior to authority figures. They may get this disorder because he or she does not communicate well or understand others' expectations. As teens puberty starts at about the same ages for teens with Down syndrome as for other teens. <span>They may face social difficulties and vulnerabilities <em /><em />such as abuse, injury, and other types of harm. They may also have a hard time handling strong emotions and feelings. Sometimes these struggles can lead to metal health problems, especially </span>depression which could lead to self-harm or even suicide. As adults men with Down syndrome most often are sterile and cannot father children. Many women with Down syndrome can have children, and they usually have early menopause which is <span>a natural decline in reproductive hormones when a woman reaches her 40s or 50s but in this case it would usually happen early in Down Syndrome women.

Hope this helps you out on your report is there anything else you want me too help you with? :)
</span>
5 0
4 years ago
2. The action of abrasion can best be described as _____.
KengaRu [80]

The right option is; A. windblown sand cutting and polishing exposed rock surfaces

Abrasion is best described as windblown sand cutting and polishing exposed rock surfaces.  

Abrasion is a process of erosion which occurs when materials such as soil or rock is removed and wears away at a surface over time. The concentration, hardness, speed and mass of the moving particles are the factors that determine the level of abrasion. Abrasion generally can be caused in four ways which are; by wind, by ice or glaciation, through the action of waves, and by rivers. Abrasion can be found on rocky mountains, on cliffs, at beaches, streams, and beneath glaciers.


7 0
4 years ago
Read 2 more answers
NEED HELP ASAP
vesna_86 [32]

Different organisms have different number of chromosomes

4 0
3 years ago
Other questions:
  • In the lock and key model of enzyme action the blank fits into the blank of the enzyme
    15·2 answers
  • Which biome is most suitable for raising crops such as corn, wheat, and oats?
    8·2 answers
  • What is the cell cycle?
    13·2 answers
  • Which effects are likely results of a forest fire? Check all that apply.
    11·2 answers
  • A cleft chin is a dominant trait one parent is heterozygous for cleft chin and the other parent does not have collection what is
    15·2 answers
  • What occurs during the gametophyte stage?
    6·2 answers
  • Did dinosaurs exist in the pre-cambrian period?
    6·2 answers
  • The flow of surface run-off can be controlled by building retaining walls called _____.
    11·1 answer
  • Some people who take beta blockers get out of breath when they exercise.
    6·1 answer
  • Squids, which are members of phylum mollusca, use an anatomical structure called a siphon for locomotion, feeding, respiration,
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!