Generally, animals cannot digest the linkages between the glucose molecules in cellulose. How then do cattle get enough nutrients from eating grass?

Answers

Answer 1

Answer: Cows have 4 stomaches, so when they digest grass what they do is they regurgitate it into cud chew on that for a while then eat it again cycling though all the stomaches.

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Scientists use the scientific method in order to: (select all that apply) answer questions. provide an objective, standardized approach to experimentation. generate evidence to support their arguments. minimize prejudice or bias in the experimenter.
which best helps scientists determine the age of fossils? a. physical traits b. genetic makeup c. reproductive strategy d. radioactive isotopes

Refrigeration slows the growth of bacteria in foods.
a. True
b. False

Answers

True. That is why we store meat in the freezer. Never leave meat in room temperature unless you are going to cook it within 24 hours since room temperature is the ideal condition for bacteria to grow.

A drastic short-term reduction of population size caused by natural disasters, disease, or predators is called:

Answers

A drastic short-term reduction of population size caused by natural disasters, disease or predators is called a bottleneck event. A bottleneck event or also known as genetic bottleneck results in the reduction of the gene pool of the population, making the current population have a low genetic diversity and high genetic deviation. Because of low genetic variation, the new population will become distinct from the original.

The answer is D. A reduction in the birth rate (edge e2020)

Proteins are made from amino acids. An amino acid has three parts that are joined to a central carbon atom. Identify the three parts that create an amino acid.

Answers

The three parts are amino group, carboxyl group, and R group,

Amino acids are the basis of the constitution of proteins and other peptides, even if they are not the only constituents (see, for example, heme, prosthetic group of hemoglobin). This article aims to review the main characteristics common to all amino acids, as well as the particular properties of the main amino acids found in living molecules.

The molecule has two ionizable groups: one acid (COOH <-> COO - + H +), the other basic (NH 2 + H + <-> NH3 +). The carbon atom to which the amine-NH 2 group is attached and the carboxylic acid-COOH group is called alpha carbon convention.

The group R corresponds to a variable radical depending on the amino acid in question. It is therefore he who determines the nature of the amino acid since the rest is invariant.

The 3 parts that make up an amino acid include the following:

Side Chain - R group
Amino Group or Amine Group
Carboxylic Acid Group
Carboxyl Group.

Body cells divide by mitosis, and gametes are formed by meiosis.

A. True
B. False

Answers

True

This would help!

When a cell divides by way of meiosis, it produces four cells, called gametes.Gametes are more commonly called sperm in males and eggs in females. Unlike in mitosis, the gametes produced by meiosis are not clones of the original cell, because each gamete has exactly half as many chromosomes as the original cell.

What evidence suggests that vertebrates are more closely related to echinoderms than are any other invertebrate phyla? What evidence suggests that vertebrates are more closely related to echinoderms than are any other invertebrate phyla? a.Shared DNA sequences b.Shared morphology c.Shared patterns of development

Answers

Answer:

The correct answer is option a. "Shared DNA sequences".

Explanation:

The most reliable evidence that suggest that vertebrates are more closely related to echinoderms than are any other invertebrate phyla is the fact that vertebrates share DNA sequences with echinoderms. Among the different genes that have been analyzed between vertebrates and echinoderms, the genes involved in immunology and biomineralization are the ones practically identical among these two categories of species.

15. Each of the following is a density-dependent limiting factor EXCEPT A. crowding
B. competition
C. disease
D. seasonal cycles

Answers

Answer: d, seasonal cycles

Explanation: it doesn't affect the population.

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How might a change of one amino acid at a site, distant from the active site of an enzyme, alter the substrate specificity of an enzyme?

How much of the world's plastic ends up on the ocean