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
Artemon [7]
3 years ago
7

In human development, which are these must be present before tissue is formed

Biology
1 answer:
artcher [175]3 years ago
6 0
I am Guessing Sperm and egg 
You might be interested in
What is used for building structures in the body they can also be enzymes?
Anna35 [415]

Answer:

The correct answer is - proteins.

Explanation:

Enzymes are made up of the long chains of amino acids that are linked by the peptide bonds that make a polypeptide chain known as proteins. Proteins are the building block of the enzyme and the building of thevarious structures in the body.

Enzymes are made up of two protein that also plays as the role of a biological catalyst whereas protein only plays role in forming different structure and performing functions.

6 0
3 years ago
What are the economic activities in the Amazon forest
Musya8 [376]

Answer:

A substantial part of the Amazon rainforest economy comes from illegal activities, like drug dealing, biological trade and wood cutting. Most drugs that reach Europe and United States are not farmed in the region, but Amazon rainforest serves as a path to drug dealers to deliver their production

Explanation:

4 0
3 years ago
Red-green color blindness is inherited as an X-linked recessive (Xc). If a color-blind man marries a woman who is heterozygous f
skad [1K]

Answer:

25% colorblind daughter: 25% colorblind son: 25% carrier daughters with normal vision: 25% normal son.

Explanation:

The genotype of a color-blind man is X^cY and the genotype of the heterozygous carrier female is X^cX. A cross between X^cY and X^cX would produce a progeny in following ratio=  

25% colorblind daughter: 25% colorblind son: 25% carrier daughters with normal vision: 25% normal son.

Therefore, the couple is likely to have 50% normal son and 50% affected son. Likewise, the couple is likely to have 50% normal daughters and 50% colorblind daughters.  

3 0
3 years ago
2. What was the first life form created by intentional cloning?
lisov135 [29]
The answer is C. Sheep
6 0
3 years ago
Read 2 more answers
Where are geysers always located?
Jet001 [13]
Generally geyser field sites are located near active volcanic areas
8 0
3 years ago
Read 2 more answers
Other questions:
  • Two chickens are bred and have five offspring, shown below. What are the most likely genotypes of the parents?
    15·2 answers
  • why don't humans breed like bunnies? wouldn't it be more efficient to have lots of kids lots of times?
    12·2 answers
  • How do scientific test help determine the properties of a substance
    6·2 answers
  • Name five elements named after countries
    14·2 answers
  • WHOEVER ANSWEERS FIRST WILL GET BRAINLIEST
    10·1 answer
  • What are two Amphibian behaviors
    13·2 answers
  • Test the streak of pyrite. What color is it?
    14·2 answers
  • Many functions in the body are controlled by
    6·1 answer
  • Using the picture below, what is the BEST question that a student could ask that would help determine which aquatic biome this i
    13·1 answer
  • 1<br>Name the gas produced by the pondweed in the light.<br>[1 mark]​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!